[INFO] cloning repository https://github.com/matthiasbeyer/task-rain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthiasbeyer/task-rain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Ftask-rain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Ftask-rain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a711d9adcf3825b2501206e1a0216e3fafb348ee [INFO] testing matthiasbeyer/task-rain against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Ftask-rain" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matthiasbeyer/task-rain on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matthiasbeyer/task-rain [INFO] finished tweaking git repo https://github.com/matthiasbeyer/task-rain [INFO] tweaked toml for git repo https://github.com/matthiasbeyer/task-rain written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/matthiasbeyer/task-rain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc79a2c6000d5babfe1ee5070df7bf32efd1f5b08b5f9f721011a09d68c9091c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fc79a2c6000d5babfe1ee5070df7bf32efd1f5b08b5f9f721011a09d68c9091c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc79a2c6000d5babfe1ee5070df7bf32efd1f5b08b5f9f721011a09d68c9091c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc79a2c6000d5babfe1ee5070df7bf32efd1f5b08b5f9f721011a09d68c9091c", kill_on_drop: false }` [INFO] [stdout] fc79a2c6000d5babfe1ee5070df7bf32efd1f5b08b5f9f721011a09d68c9091c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c3e8fceaa56a8f0a6170712e8f3743788b576a28d7e05c68319cae3e3a38c809 [INFO] running `Command { std: "docker" "start" "-a" "c3e8fceaa56a8f0a6170712e8f3743788b576a28d7e05c68319cae3e3a38c809", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling itoa v0.3.3 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling itertools v0.6.2 [INFO] [stderr] Compiling clap v2.26.1 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Compiling backtrace-sys v0.1.12 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling uuid v0.4.0 [INFO] [stderr] Compiling task-hookrs v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.3 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling mowl v1.2.0 [INFO] [stderr] Compiling rain v0.3.1 [INFO] [stderr] Compiling task-graph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | for (time, group) in tasks.into_iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = File::open(filename).expect("Couldn't open file"); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | graph.print(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.50s [INFO] running `Command { std: "docker" "inspect" "c3e8fceaa56a8f0a6170712e8f3743788b576a28d7e05c68319cae3e3a38c809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e8fceaa56a8f0a6170712e8f3743788b576a28d7e05c68319cae3e3a38c809", kill_on_drop: false }` [INFO] [stdout] c3e8fceaa56a8f0a6170712e8f3743788b576a28d7e05c68319cae3e3a38c809 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7bb1f1f70e310794b739df9e7dd077a00b866a3ed5b5533630fd9d67df39718f [INFO] running `Command { std: "docker" "start" "-a" "7bb1f1f70e310794b739df9e7dd077a00b866a3ed5b5533630fd9d67df39718f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling task-graph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | for (time, group) in tasks.into_iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = File::open(filename).expect("Couldn't open file"); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | graph.print(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "7bb1f1f70e310794b739df9e7dd077a00b866a3ed5b5533630fd9d67df39718f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bb1f1f70e310794b739df9e7dd077a00b866a3ed5b5533630fd9d67df39718f", kill_on_drop: false }` [INFO] [stdout] 7bb1f1f70e310794b739df9e7dd077a00b866a3ed5b5533630fd9d67df39718f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a31a80f0465e9be8a83cd4512343370f2aefa83bbe40058edf8c872e52e3adc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a31a80f0465e9be8a83cd4512343370f2aefa83bbe40058edf8c872e52e3adc", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `time` [INFO] [stderr] --> src/main.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | for (time, group) in tasks.into_iter() { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | let mut file = File::open(filename).expect("Couldn't open file"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | graph.print(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/task_graph-4774555fd784aef3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a31a80f0465e9be8a83cd4512343370f2aefa83bbe40058edf8c872e52e3adc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a31a80f0465e9be8a83cd4512343370f2aefa83bbe40058edf8c872e52e3adc", kill_on_drop: false }` [INFO] [stdout] 1a31a80f0465e9be8a83cd4512343370f2aefa83bbe40058edf8c872e52e3adc