[INFO] cloning repository https://github.com/bear0412/pier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bear0412/pier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbear0412%2Fpier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbear0412%2Fpier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ba93cb37eb2a13c226cfab466927486daca8f67
[INFO] checking bear0412/pier against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbear0412%2Fpier" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bear0412/pier on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/bear0412/pier
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/bear0412/pier
[INFO] tweaked toml for git repo https://github.com/bear0412/pier written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bear0412/pier 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.89
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[INFO] [stderr]   Downloaded assert_fs v0.11.3
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[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d46b70e751a514a268c648d4088034ee1d1ded800bda9c8e1b47aa0bcad84c
[INFO] running `Command { std: "docker" "start" "-a" "c4d46b70e751a514a268c648d4088034ee1d1ded800bda9c8e1b47aa0bcad84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d46b70e751a514a268c648d4088034ee1d1ded800bda9c8e1b47aa0bcad84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d46b70e751a514a268c648d4088034ee1d1ded800bda9c8e1b47aa0bcad84c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f235db8bc55c2457c4dcaa465269d8a7257f8c0cec4e98b77a0ae7857e655fb
[INFO] running `Command { std: "docker" "start" "-a" "2f235db8bc55c2457c4dcaa465269d8a7257f8c0cec4e98b77a0ae7857e655fb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.89
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[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
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[INFO] [stderr]    Compiling cc v1.0.37
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[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking same-file v1.0.5
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[INFO] [stderr]     Checking fnv v1.0.6
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[INFO] [stderr]     Checking crossbeam-channel v0.3.9
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[INFO] [stderr]     Checking bstr v0.2.8
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[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking pier v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scrawl;
[INFO] [stdout]   |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dirs` is imported redundantly
[INFO] [stdout]  --> src/defaults.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  |         return Err($type)?;
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/defaults.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pier_err!(PierError::NoConfigFile)
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]  --> src/script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tempfile;
[INFO] [stdout]   |     ^^^^^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use scrawl;
[INFO] [stdout]    |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut script =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         &self.add_script(Script {
[INFO] [stdout] 72 | |             alias: String::from("hello-pier"),
[INFO] [stdout] 73 | |             command: String::from("echo Hello, Pier!"),
[INFO] [stdout] 74 | |             description: Some(String::from("This is an example command.")),
[INFO] [stdout] 75 | |             reference: None,
[INFO] [stdout] 76 | |             tags: None,
[INFO] [stdout] 77 | |         }, false);
[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] 71 |         let _ = &self.add_script(Script {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: the item `pier` is imported redundantly
[INFO] [stdout]  --> tests/common.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pier::{self, Pier};
[INFO] [stdout]   |            ^^^^ the item `pier` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scrawl;
[INFO] [stdout]   |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dirs` is imported redundantly
[INFO] [stdout]  --> src/defaults.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  |         return Err($type)?;
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/defaults.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pier_err!(PierError::NoConfigFile)
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]  --> src/script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tempfile;
[INFO] [stdout]   |     ^^^^^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use scrawl;
[INFO] [stdout]    |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut script =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         &self.add_script(Script {
[INFO] [stdout] 72 | |             alias: String::from("hello-pier"),
[INFO] [stdout] 73 | |             command: String::from("echo Hello, Pier!"),
[INFO] [stdout] 74 | |             description: Some(String::from("This is an example command.")),
[INFO] [stdout] 75 | |             reference: None,
[INFO] [stdout] 76 | |             tags: None,
[INFO] [stdout] 77 | |         }, false);
[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] 71 |         let _ = &self.add_script(Script {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pier v0.2.0 (/opt/rustwide/workdir), syn v0.12.15
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "2f235db8bc55c2457c4dcaa465269d8a7257f8c0cec4e98b77a0ae7857e655fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f235db8bc55c2457c4dcaa465269d8a7257f8c0cec4e98b77a0ae7857e655fb", kill_on_drop: false }`
[INFO] [stdout] 2f235db8bc55c2457c4dcaa465269d8a7257f8c0cec4e98b77a0ae7857e655fb
[INFO] checking bear0412/pier against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbear0412%2Fpier" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bear0412/pier on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/bear0412/pier
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/bear0412/pier
[INFO] tweaked toml for git repo https://github.com/bear0412/pier written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bear0412/pier 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d625548065e0b8e476700b19807902166275ac5e7235d20c4154e94a9dee0b0
[INFO] running `Command { std: "docker" "start" "-a" "1d625548065e0b8e476700b19807902166275ac5e7235d20c4154e94a9dee0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d625548065e0b8e476700b19807902166275ac5e7235d20c4154e94a9dee0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d625548065e0b8e476700b19807902166275ac5e7235d20c4154e94a9dee0b0", kill_on_drop: false }`
[INFO] [stdout] 1d625548065e0b8e476700b19807902166275ac5e7235d20c4154e94a9dee0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b681ab81ec2a0be0f6f6e32f597df63acbbd7bc2d0c989b618a44c84f496e18f
[INFO] running `Command { std: "docker" "start" "-a" "b681ab81ec2a0be0f6f6e32f597df63acbbd7bc2d0c989b618a44c84f496e18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
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[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.13
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[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling cc v1.0.37
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[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
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[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking rustc-demangle v0.1.14
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[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking walkdir v2.2.9
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[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking term v0.5.2
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[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking scrawl v1.1.0
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[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking globset v0.4.4
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[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking structopt v0.3.5
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[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking pier v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scrawl;
[INFO] [stdout]   |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dirs` is imported redundantly
[INFO] [stdout]  --> src/defaults.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  |         return Err($type)?;
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/defaults.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pier_err!(PierError::NoConfigFile)
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]  --> src/script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tempfile;
[INFO] [stdout]   |     ^^^^^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use scrawl;
[INFO] [stdout]    |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut script =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         &self.add_script(Script {
[INFO] [stdout] 72 | |             alias: String::from("hello-pier"),
[INFO] [stdout] 73 | |             command: String::from("echo Hello, Pier!"),
[INFO] [stdout] 74 | |             description: Some(String::from("This is an example command.")),
[INFO] [stdout] 75 | |             reference: None,
[INFO] [stdout] 76 | |             tags: None,
[INFO] [stdout] 77 | |         }, false);
[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] 71 |         let _ = &self.add_script(Script {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: the item `pier` is imported redundantly
[INFO] [stdout]  --> tests/common.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pier::{self, Pier};
[INFO] [stdout]   |            ^^^^ the item `pier` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scrawl;
[INFO] [stdout]   |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dirs` is imported redundantly
[INFO] [stdout]  --> src/defaults.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  |         return Err($type)?;
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/defaults.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pier_err!(PierError::NoConfigFile)
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]  --> src/script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tempfile;
[INFO] [stdout]   |     ^^^^^^^^ the item `tempfile` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `scrawl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use scrawl;
[INFO] [stdout]    |     ^^^^^^ the item `scrawl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut script =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         &self.add_script(Script {
[INFO] [stdout] 72 | |             alias: String::from("hello-pier"),
[INFO] [stdout] 73 | |             command: String::from("echo Hello, Pier!"),
[INFO] [stdout] 74 | |             description: Some(String::from("This is an example command.")),
[INFO] [stdout] 75 | |             reference: None,
[INFO] [stdout] 76 | |             tags: None,
[INFO] [stdout] 77 | |         }, false);
[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] 71 |         let _ = &self.add_script(Script {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pier v0.2.0 (/opt/rustwide/workdir), syn v0.12.15
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b681ab81ec2a0be0f6f6e32f597df63acbbd7bc2d0c989b618a44c84f496e18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b681ab81ec2a0be0f6f6e32f597df63acbbd7bc2d0c989b618a44c84f496e18f", kill_on_drop: false }`
[INFO] [stdout] b681ab81ec2a0be0f6f6e32f597df63acbbd7bc2d0c989b618a44c84f496e18f