[INFO] cloning repository https://github.com/timcase/taskchampion-rb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timcase/taskchampion-rb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcase%2Ftaskchampion-rb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcase%2Ftaskchampion-rb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5cc4857eb47dfdffc3602379bcf9e118c720321
[INFO] checking timcase/taskchampion-rb/b5cc4857eb47dfdffc3602379bcf9e118c720321 against master#818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcase%2Ftaskchampion-rb" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timcase/taskchampion-rb
[INFO] finished tweaking git repo https://github.com/timcase/taskchampion-rb
[INFO] tweaked toml for git repo https://github.com/timcase/taskchampion-rb written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timcase/taskchampion-rb on toolchain 818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timcase/taskchampion-rb 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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5531ecc59e8bd5e61d1b44ca1239aa1bf4083f8f6592934671451fb091d926f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5531ecc59e8bd5e61d1b44ca1239aa1bf4083f8f6592934671451fb091d926f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5531ecc59e8bd5e61d1b44ca1239aa1bf4083f8f6592934671451fb091d926f7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "de3ea32639d849cb72e001e69eee8e19549d49a5a9acd65b36def7f585b6b046", kill_on_drop: false }`
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[INFO] [stderr]     Checking taskchampion v0.1.0 (/opt/rustwide/workdir/ext/taskchampion)
[INFO] [stdout] warning: unused import: `Utc`
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:363:44
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     use chrono::{DateTime, Utc};
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::get_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 |         match task.get_uda(&namespace, &key) {
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::get_udas`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let udas: Vec<((String, String), String)> = task.get_udas()
[INFO] [stdout]     |                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::set_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:391:18
[INFO] [stdout]     |
[INFO] [stdout] 391 |             task.set_uda(&namespace, &key, &value, ops)
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::remove_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:412:18
[INFO] [stdout]     |
[INFO] [stdout] 412 |             task.remove_uda(&namespace, &key, ops)
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Utc`
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:363:44
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     use chrono::{DateTime, Utc};
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ruby`
[INFO] [stdout]   --> ext/taskchampion/src/util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let ruby = magnus::Ruby::get().map_err(|e| Error::new(magnus::exception::runtime_error(), e.to_string()))?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_ruby`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashmap_to_ruby` is never used
[INFO] [stdout]    --> ext/taskchampion/src/util.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn hashmap_to_ruby(map: HashMap<String, String>) -> Result<RHash, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ruby_to_vec` is never used
[INFO] [stdout]    --> ext/taskchampion/src/util.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn ruby_to_vec<T, F>(array: RArray, converter: F) -> Result<Vec<T>, Error>
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ext/taskchampion/src/thread_check.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get(&self) -> Result<std::cell::Ref<T>, Error> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get(&self) -> Result<std::cell::Ref<'_, T>, Error> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ext/taskchampion/src/thread_check.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get_mut(&self) -> Result<std::cell::RefMut<T>, Error> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get_mut(&self) -> Result<std::cell::RefMut<'_, T>, Error> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> ext/taskchampion/src/replica.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         operations.extend_from_tc(tc_ops);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = operations.extend_from_tc(tc_ops);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::get_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 |         match task.get_uda(&namespace, &key) {
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::get_udas`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let udas: Vec<((String, String), String)> = task.get_udas()
[INFO] [stdout]     |                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::set_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:391:18
[INFO] [stdout]     |
[INFO] [stdout] 391 |             task.set_uda(&namespace, &key, &value, ops)
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `taskchampion::Task::remove_uda`: namespaced UDAs will not be supported in the future
[INFO] [stdout]    --> ext/taskchampion/src/task.rs:412:18
[INFO] [stdout]     |
[INFO] [stdout] 412 |             task.remove_uda(&namespace, &key, ops)
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ruby`
[INFO] [stdout]   --> ext/taskchampion/src/util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let ruby = magnus::Ruby::get().map_err(|e| Error::new(magnus::exception::runtime_error(), e.to_string()))?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_ruby`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashmap_to_ruby` is never used
[INFO] [stdout]    --> ext/taskchampion/src/util.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn hashmap_to_ruby(map: HashMap<String, String>) -> Result<RHash, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ruby_to_vec` is never used
[INFO] [stdout]    --> ext/taskchampion/src/util.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn ruby_to_vec<T, F>(array: RArray, converter: F) -> Result<Vec<T>, Error>
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ext/taskchampion/src/thread_check.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get(&self) -> Result<std::cell::Ref<T>, Error> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get(&self) -> Result<std::cell::Ref<'_, T>, Error> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ext/taskchampion/src/thread_check.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get_mut(&self) -> Result<std::cell::RefMut<T>, Error> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get_mut(&self) -> Result<std::cell::RefMut<'_, T>, Error> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> ext/taskchampion/src/replica.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         operations.extend_from_tc(tc_ops);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = operations.extend_from_tc(tc_ops);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "de3ea32639d849cb72e001e69eee8e19549d49a5a9acd65b36def7f585b6b046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3ea32639d849cb72e001e69eee8e19549d49a5a9acd65b36def7f585b6b046", kill_on_drop: false }`
[INFO] [stdout] de3ea32639d849cb72e001e69eee8e19549d49a5a9acd65b36def7f585b6b046
