[INFO] fetching crate task_runner 0.0.1...
[INFO] testing task_runner-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate task_runner 0.0.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate task_runner 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task_runner 0.0.1
[INFO] finished tweaking crates.io crate task_runner 0.0.1
[INFO] tweaked toml for crates.io crate task_runner 0.0.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb69ffa96eb05cd77bb6bd662319084ff2a671909625ff4a011feb17da29b32
[INFO] running `Command { std: "docker" "start" "-a" "0eb69ffa96eb05cd77bb6bd662319084ff2a671909625ff4a011feb17da29b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb69ffa96eb05cd77bb6bd662319084ff2a671909625ff4a011feb17da29b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb69ffa96eb05cd77bb6bd662319084ff2a671909625ff4a011feb17da29b32", kill_on_drop: false }`
[INFO] [stdout] 0eb69ffa96eb05cd77bb6bd662319084ff2a671909625ff4a011feb17da29b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87e37721b068022153629f07ee7b4b2399341583597ebc305f3ee8348e25692
[INFO] running `Command { std: "docker" "start" "-a" "b87e37721b068022153629f07ee7b4b2399341583597ebc305f3ee8348e25692", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling task_runner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "b87e37721b068022153629f07ee7b4b2399341583597ebc305f3ee8348e25692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87e37721b068022153629f07ee7b4b2399341583597ebc305f3ee8348e25692", kill_on_drop: false }`
[INFO] [stdout] b87e37721b068022153629f07ee7b4b2399341583597ebc305f3ee8348e25692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb7c0fa6a823a4d1cd38f2e6e318112e8ab79cadcc3c892b2c618effe03c0d6
[INFO] running `Command { std: "docker" "start" "-a" "7bb7c0fa6a823a4d1cd38f2e6e318112e8ab79cadcc3c892b2c618effe03c0d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling task_runner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/tr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;  // Run programs
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stdout]  --> tests/tr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_cmd::prelude::*; // Add methods on commands
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "7bb7c0fa6a823a4d1cd38f2e6e318112e8ab79cadcc3c892b2c618effe03c0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb7c0fa6a823a4d1cd38f2e6e318112e8ab79cadcc3c892b2c618effe03c0d6", kill_on_drop: false }`
[INFO] [stdout] 7bb7c0fa6a823a4d1cd38f2e6e318112e8ab79cadcc3c892b2c618effe03c0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37be19b15d54fc56ed73157983240479df2c7bdd202bd147dde8f1425191ad03
[INFO] running `Command { std: "docker" "start" "-a" "37be19b15d54fc56ed73157983240479df2c7bdd202bd147dde8f1425191ad03", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> tests/tr.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::Command;  // Run programs
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stderr]  --> tests/tr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use assert_cmd::prelude::*; // Add methods on commands
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `task_runner` (test "tr") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/task_runner-413533e2ca2f9031)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tr.rs (/opt/rustwide/target/debug/deps/tr-bbcc7a5826eba1c0)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task_runner
[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" "37be19b15d54fc56ed73157983240479df2c7bdd202bd147dde8f1425191ad03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37be19b15d54fc56ed73157983240479df2c7bdd202bd147dde8f1425191ad03", kill_on_drop: false }`
[INFO] [stdout] 37be19b15d54fc56ed73157983240479df2c7bdd202bd147dde8f1425191ad03