[INFO] cloning repository https://github.com/maralorn/tasktree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maralorn/tasktree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a33893ca1cb8a04b6088d916016668fd87a975
[INFO] checking maralorn/tasktree against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maralorn/tasktree on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maralorn/tasktree
[INFO] finished tweaking git repo https://github.com/maralorn/tasktree
[INFO] tweaked toml for git repo https://github.com/maralorn/tasktree written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maralorn/tasktree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.2.1
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[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]    Compiling regex v0.2.11
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[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling serde_derive v0.9.15
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[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking task-hookrs v0.3.0
[INFO] [stderr]     Checking tasktree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/task.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         lazy_static! {
[INFO] [stdout] 80 | |             static ref UUID_RE: regex::Regex = regex::Regex::new("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}").unwrap();
[INFO] [stdout] 81 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             err.description()
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/task.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         lazy_static! {
[INFO] [stdout] 80 | |             static ref UUID_RE: regex::Regex = regex::Regex::new("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}").unwrap();
[INFO] [stdout] 81 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             err.description()
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     &Command::new("task")
[INFO] [stdout] 199 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 200 | |         .arg("mod")
[INFO] [stdout] 201 | |         .arg(format!("project:{}", project.unwrap_or("")))
[INFO] [stdout] 202 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     &Command::new("task")
[INFO] [stdout] 208 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 209 | |         .arg("done")
[INFO] [stdout] 210 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | /     &Command::new("task")
[INFO] [stdout] 216 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 217 | |         .arg("delete")
[INFO] [stdout] 218 | |         .arg("rc.confirmation:0")
[INFO] [stdout] 219 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     &Command::new("task")
[INFO] [stdout] 225 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 226 | |         .arg("mod")
[INFO] [stdout] 227 | |         .arg("status:pending")
[INFO] [stdout] 228 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     &Command::new("task")
[INFO] [stdout] 238 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 239 | |         .arg("mod")
[INFO] [stdout] 240 | |         .arg(format!(
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         ))
[INFO] [stdout] 244 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     &Command::new("task")
[INFO] [stdout] 250 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 251 | |         .arg("mod")
[INFO] [stdout] 252 | |         .arg(format!("description:\"{}\"", description))
[INFO] [stdout] 253 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | /     &Command::new("task")
[INFO] [stdout] 259 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 260 | |         .arg("mod")
[INFO] [stdout] 261 | |         .arg(format!("+{}", tag))
[INFO] [stdout] 262 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 | /     &Command::new("task")
[INFO] [stdout] 268 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 269 | |         .arg("mod")
[INFO] [stdout] 270 | |         .arg(format!("-{}", tag))
[INFO] [stdout] 271 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     &Command::new("task")
[INFO] [stdout] 199 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 200 | |         .arg("mod")
[INFO] [stdout] 201 | |         .arg(format!("project:{}", project.unwrap_or("")))
[INFO] [stdout] 202 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     &Command::new("task")
[INFO] [stdout] 208 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 209 | |         .arg("done")
[INFO] [stdout] 210 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | /     &Command::new("task")
[INFO] [stdout] 216 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 217 | |         .arg("delete")
[INFO] [stdout] 218 | |         .arg("rc.confirmation:0")
[INFO] [stdout] 219 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     &Command::new("task")
[INFO] [stdout] 225 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 226 | |         .arg("mod")
[INFO] [stdout] 227 | |         .arg("status:pending")
[INFO] [stdout] 228 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     &Command::new("task")
[INFO] [stdout] 238 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 239 | |         .arg("mod")
[INFO] [stdout] 240 | |         .arg(format!(
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         ))
[INFO] [stdout] 244 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     &Command::new("task")
[INFO] [stdout] 250 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 251 | |         .arg("mod")
[INFO] [stdout] 252 | |         .arg(format!("description:\"{}\"", description))
[INFO] [stdout] 253 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | /     &Command::new("task")
[INFO] [stdout] 259 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 260 | |         .arg("mod")
[INFO] [stdout] 261 | |         .arg(format!("+{}", tag))
[INFO] [stdout] 262 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 | /     &Command::new("task")
[INFO] [stdout] 268 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 269 | |         .arg("mod")
[INFO] [stdout] 270 | |         .arg(format!("-{}", tag))
[INFO] [stdout] 271 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.33s
[INFO] running `Command { std: "docker" "inspect" "d98edb2f33ecc461617abaca1847949d483e5d06ed795fbdaaac98bb2d584ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98edb2f33ecc461617abaca1847949d483e5d06ed795fbdaaac98bb2d584ecc", kill_on_drop: false }`
[INFO] [stdout] d98edb2f33ecc461617abaca1847949d483e5d06ed795fbdaaac98bb2d584ecc
[INFO] checking maralorn/tasktree against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maralorn/tasktree on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maralorn/tasktree
[INFO] finished tweaking git repo https://github.com/maralorn/tasktree
[INFO] tweaked toml for git repo https://github.com/maralorn/tasktree written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/maralorn/tasktree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8a8a2945c25c474a0275250fb60efb772b6adf7f52eec5921b98024ff22b19
[INFO] running `Command { std: "docker" "start" "-a" "bb8a8a2945c25c474a0275250fb60efb772b6adf7f52eec5921b98024ff22b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8a8a2945c25c474a0275250fb60efb772b6adf7f52eec5921b98024ff22b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8a8a2945c25c474a0275250fb60efb772b6adf7f52eec5921b98024ff22b19", kill_on_drop: false }`
[INFO] [stdout] bb8a8a2945c25c474a0275250fb60efb772b6adf7f52eec5921b98024ff22b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dnon_local_definitions" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffc9aa22435bf61fda8dd1a758b53be94aa907019ead026257370869d8784073
[INFO] running `Command { std: "docker" "start" "-a" "ffc9aa22435bf61fda8dd1a758b53be94aa907019ead026257370869d8784073", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking task-hookrs v0.3.0
[INFO] [stderr]     Checking tasktree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/task.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         lazy_static! {
[INFO] [stdout] 80 | |             static ref UUID_RE: regex::Regex = regex::Regex::new("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}").unwrap();
[INFO] [stdout] 81 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             err.description()
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/task.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         lazy_static! {
[INFO] [stdout] 80 | |             static ref UUID_RE: regex::Regex = regex::Regex::new("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}").unwrap();
[INFO] [stdout] 81 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             err.description()
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/task.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, Deserialize, Serialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Task`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/task.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, Deserialize, Serialize)]
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_Task`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     &Command::new("task")
[INFO] [stdout] 199 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 200 | |         .arg("mod")
[INFO] [stdout] 201 | |         .arg(format!("project:{}", project.unwrap_or("")))
[INFO] [stdout] 202 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     &Command::new("task")
[INFO] [stdout] 208 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 209 | |         .arg("done")
[INFO] [stdout] 210 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | /     &Command::new("task")
[INFO] [stdout] 216 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 217 | |         .arg("delete")
[INFO] [stdout] 218 | |         .arg("rc.confirmation:0")
[INFO] [stdout] 219 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     &Command::new("task")
[INFO] [stdout] 225 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 226 | |         .arg("mod")
[INFO] [stdout] 227 | |         .arg("status:pending")
[INFO] [stdout] 228 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     &Command::new("task")
[INFO] [stdout] 238 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 239 | |         .arg("mod")
[INFO] [stdout] 240 | |         .arg(format!(
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         ))
[INFO] [stdout] 244 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     &Command::new("task")
[INFO] [stdout] 250 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 251 | |         .arg("mod")
[INFO] [stdout] 252 | |         .arg(format!("description:\"{}\"", description))
[INFO] [stdout] 253 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | /     &Command::new("task")
[INFO] [stdout] 259 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 260 | |         .arg("mod")
[INFO] [stdout] 261 | |         .arg(format!("+{}", tag))
[INFO] [stdout] 262 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 | /     &Command::new("task")
[INFO] [stdout] 268 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 269 | |         .arg("mod")
[INFO] [stdout] 270 | |         .arg(format!("-{}", tag))
[INFO] [stdout] 271 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasktree` (bin "tasktree" test) due to 3 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/task.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, Deserialize, Serialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Task`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/task.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, Deserialize, Serialize)]
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_Task`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     &Command::new("task")
[INFO] [stdout] 199 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 200 | |         .arg("mod")
[INFO] [stdout] 201 | |         .arg(format!("project:{}", project.unwrap_or("")))
[INFO] [stdout] 202 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     &Command::new("task")
[INFO] [stdout] 208 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 209 | |         .arg("done")
[INFO] [stdout] 210 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | /     &Command::new("task")
[INFO] [stdout] 216 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 217 | |         .arg("delete")
[INFO] [stdout] 218 | |         .arg("rc.confirmation:0")
[INFO] [stdout] 219 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     &Command::new("task")
[INFO] [stdout] 225 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 226 | |         .arg("mod")
[INFO] [stdout] 227 | |         .arg("status:pending")
[INFO] [stdout] 228 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     &Command::new("task")
[INFO] [stdout] 238 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 239 | |         .arg("mod")
[INFO] [stdout] 240 | |         .arg(format!(
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         ))
[INFO] [stdout] 244 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     &Command::new("task")
[INFO] [stdout] 250 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 251 | |         .arg("mod")
[INFO] [stdout] 252 | |         .arg(format!("description:\"{}\"", description))
[INFO] [stdout] 253 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | /     &Command::new("task")
[INFO] [stdout] 259 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 260 | |         .arg("mod")
[INFO] [stdout] 261 | |         .arg(format!("+{}", tag))
[INFO] [stdout] 262 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/task.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 | /     &Command::new("task")
[INFO] [stdout] 268 | |         .arg(format!("uuid:{}", uuid))
[INFO] [stdout] 269 | |         .arg("mod")
[INFO] [stdout] 270 | |         .arg(format!("-{}", tag))
[INFO] [stdout] 271 | |         .output()?;
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let _ = &Command::new("task")
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasktree` (bin "tasktree") due to 3 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ffc9aa22435bf61fda8dd1a758b53be94aa907019ead026257370869d8784073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc9aa22435bf61fda8dd1a758b53be94aa907019ead026257370869d8784073", kill_on_drop: false }`
[INFO] [stdout] ffc9aa22435bf61fda8dd1a758b53be94aa907019ead026257370869d8784073