[INFO] fetching crate cpm-rs 0.1.6...
[INFO] checking cpm-rs-0.1.6 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate cpm-rs 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cpm-rs 0.1.6 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpm-rs 0.1.6
[INFO] finished tweaking crates.io crate cpm-rs 0.1.6
[INFO] tweaked toml for crates.io crate cpm-rs 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cpm-rs 0.1.6 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40c1c642897f51f8b508f93cd67835c39911a533d77f3f7d84274857f3760a3d
[INFO] running `Command { std: "docker" "start" "-a" "40c1c642897f51f8b508f93cd67835c39911a533d77f3f7d84274857f3760a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c1c642897f51f8b508f93cd67835c39911a533d77f3f7d84274857f3760a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c1c642897f51f8b508f93cd67835c39911a533d77f3f7d84274857f3760a3d", kill_on_drop: false }`
[INFO] [stdout] 40c1c642897f51f8b508f93cd67835c39911a533d77f3f7d84274857f3760a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80116adeb6a89e2c77455ce4b2e386aaebceea89033914bb3fff13b436bca7b
[INFO] running `Command { std: "docker" "start" "-a" "b80116adeb6a89e2c77455ce4b2e386aaebceea89033914bb3fff13b436bca7b", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking log v0.4.16
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking cpm-rs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | /         scheduler.add_task(CustomTask::new(
[INFO] [stdout] 13 | |             "Task_A".to_string()
[INFO] [stdout] 14 | |             , 1
[INFO] [stdout] 15 | |             , vec!{}
[INFO] [stdout] 16 | |         ));
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = scheduler.add_task(CustomTask::new(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         scheduler.add_task(CustomTask::new(
[INFO] [stdout] 18 | |             "Sidetask_B".to_string()
[INFO] [stdout] 19 | |             , 3
[INFO] [stdout] 20 | |             , vec!{"Task_A".to_string()}
[INFO] [stdout] 21 | |         ));
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = scheduler.add_task(CustomTask::new(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         scheduler.add_task(CustomTask::new(
[INFO] [stdout] 23 | |             "Sidetask_C".to_string()
[INFO] [stdout] 24 | |             , 2
[INFO] [stdout] 25 | |             , vec!{"Task_B".to_string()}
[INFO] [stdout] 26 | |         ));
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = scheduler.add_task(CustomTask::new(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         scheduler.add_task(CustomTask::new(
[INFO] [stdout] 28 | |             "Finish".to_string()
[INFO] [stdout] 29 | |             , 1
[INFO] [stdout] 30 | |             , vec!{"Sidetask_B".to_string(), "Sidetask_C".to_string()}
[INFO] [stdout] 31 | |         ));
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = scheduler.add_task(CustomTask::new(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "b80116adeb6a89e2c77455ce4b2e386aaebceea89033914bb3fff13b436bca7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80116adeb6a89e2c77455ce4b2e386aaebceea89033914bb3fff13b436bca7b", kill_on_drop: false }`
[INFO] [stdout] b80116adeb6a89e2c77455ce4b2e386aaebceea89033914bb3fff13b436bca7b
