[INFO] cloning repository https://github.com/christophebiocca/tokio-process-deadlock-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christophebiocca/tokio-process-deadlock-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophebiocca%2Ftokio-process-deadlock-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophebiocca%2Ftokio-process-deadlock-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5c77dcebe02ffea375d98ef42042752e0544d8a
[INFO] testing christophebiocca/tokio-process-deadlock-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophebiocca%2Ftokio-process-deadlock-example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christophebiocca/tokio-process-deadlock-example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christophebiocca/tokio-process-deadlock-example
[INFO] finished tweaking git repo https://github.com/christophebiocca/tokio-process-deadlock-example
[INFO] tweaked toml for git repo https://github.com/christophebiocca/tokio-process-deadlock-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/christophebiocca/tokio-process-deadlock-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f17ec873ff59abbef8dbdbf728239426f795d877df8d0abe60a1595d9e19479
[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" "1f17ec873ff59abbef8dbdbf728239426f795d877df8d0abe60a1595d9e19479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f17ec873ff59abbef8dbdbf728239426f795d877df8d0abe60a1595d9e19479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f17ec873ff59abbef8dbdbf728239426f795d877df8d0abe60a1595d9e19479", kill_on_drop: false }`
[INFO] [stdout] 1f17ec873ff59abbef8dbdbf728239426f795d877df8d0abe60a1595d9e19479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 309735848b7e75ee3d8a35c20ff3aaf5944cb0256e5d8d41d4a67cf41eb7675f
[INFO] running `Command { std: "docker" "start" "-a" "309735848b7e75ee3d8a35c20ff3aaf5944cb0256e5d8d41d4a67cf41eb7675f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling tokio-executor v0.1.3
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.2
[INFO] [stderr]    Compiling tokio-process v0.2.2
[INFO] [stderr]    Compiling tokio-process-deadlock-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/main.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::{Command,Stdio};
[INFO] [stdout]   |                            ^^^^^
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "309735848b7e75ee3d8a35c20ff3aaf5944cb0256e5d8d41d4a67cf41eb7675f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309735848b7e75ee3d8a35c20ff3aaf5944cb0256e5d8d41d4a67cf41eb7675f", kill_on_drop: false }`
[INFO] [stdout] 309735848b7e75ee3d8a35c20ff3aaf5944cb0256e5d8d41d4a67cf41eb7675f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 9b59ab2d0aaf238f32caa1526eb20b85cb4c5748bb2eae152c6ab17e97d838ce
[INFO] running `Command { std: "docker" "start" "-a" "9b59ab2d0aaf238f32caa1526eb20b85cb4c5748bb2eae152c6ab17e97d838ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-process-deadlock-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/main.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::{Command,Stdio};
[INFO] [stdout]   |                            ^^^^^
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9b59ab2d0aaf238f32caa1526eb20b85cb4c5748bb2eae152c6ab17e97d838ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b59ab2d0aaf238f32caa1526eb20b85cb4c5748bb2eae152c6ab17e97d838ce", kill_on_drop: false }`
[INFO] [stdout] 9b59ab2d0aaf238f32caa1526eb20b85cb4c5748bb2eae152c6ab17e97d838ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7277e8dd634565739ec3c27f7caf369534c87cc34ae1e224cf784cb539794821
[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" "7277e8dd634565739ec3c27f7caf369534c87cc34ae1e224cf784cb539794821", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Stdio`
[INFO] [stderr]  --> src/main.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::{Command,Stdio};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-process-deadlock-example` (bin "tokio-process-deadlock-example" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_process_deadlock_example-21553e7d5165230f)
[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" "7277e8dd634565739ec3c27f7caf369534c87cc34ae1e224cf784cb539794821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7277e8dd634565739ec3c27f7caf369534c87cc34ae1e224cf784cb539794821", kill_on_drop: false }`
[INFO] [stdout] 7277e8dd634565739ec3c27f7caf369534c87cc34ae1e224cf784cb539794821