[INFO] cloning repository https://github.com/yangsibai/tasks-parallel-execute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangsibai/tasks-parallel-execute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangsibai%2Ftasks-parallel-execute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangsibai%2Ftasks-parallel-execute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3797e4591b3d7c515b72d44fdebe317cc2a3ff7f
[INFO] testing yangsibai/tasks-parallel-execute against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangsibai%2Ftasks-parallel-execute" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yangsibai/tasks-parallel-execute on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yangsibai/tasks-parallel-execute
[INFO] finished tweaking git repo https://github.com/yangsibai/tasks-parallel-execute
[INFO] tweaked toml for git repo https://github.com/yangsibai/tasks-parallel-execute written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yangsibai/tasks-parallel-execute already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ab439941abd6ea3594bb7e609272b4369f8fc4508f5cfe78a2add723b0d8c2
[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" "e6ab439941abd6ea3594bb7e609272b4369f8fc4508f5cfe78a2add723b0d8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ab439941abd6ea3594bb7e609272b4369f8fc4508f5cfe78a2add723b0d8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ab439941abd6ea3594bb7e609272b4369f8fc4508f5cfe78a2add723b0d8c2", kill_on_drop: false }`
[INFO] [stdout] e6ab439941abd6ea3594bb7e609272b4369f8fc4508f5cfe78a2add723b0d8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6af52b20ba982dc76131732fcbca8c39e1ee9b15c00fe2128c1a3a25ba6485
[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" "7e6af52b20ba982dc76131732fcbca8c39e1ee9b15c00fe2128c1a3a25ba6485", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling tasks-parallel-execute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cmdName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let cmdName = vec.first().unwrap().to_string();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `cmd_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.36s
[INFO] running `Command { std: "docker" "inspect" "7e6af52b20ba982dc76131732fcbca8c39e1ee9b15c00fe2128c1a3a25ba6485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6af52b20ba982dc76131732fcbca8c39e1ee9b15c00fe2128c1a3a25ba6485", kill_on_drop: false }`
[INFO] [stdout] 7e6af52b20ba982dc76131732fcbca8c39e1ee9b15c00fe2128c1a3a25ba6485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] aae04c20cd51744a27c92f1e389c3c73c72d36c75d80e517fcea1b05015f5ffd
[INFO] running `Command { std: "docker" "start" "-a" "aae04c20cd51744a27c92f1e389c3c73c72d36c75d80e517fcea1b05015f5ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tasks-parallel-execute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cmdName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let cmdName = vec.first().unwrap().to_string();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `cmd_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "aae04c20cd51744a27c92f1e389c3c73c72d36c75d80e517fcea1b05015f5ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae04c20cd51744a27c92f1e389c3c73c72d36c75d80e517fcea1b05015f5ffd", kill_on_drop: false }`
[INFO] [stdout] aae04c20cd51744a27c92f1e389c3c73c72d36c75d80e517fcea1b05015f5ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90aa8de6db7671241874d6593ac1b66425dc5942150fb8709572cace37de9aa0
[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" "90aa8de6db7671241874d6593ac1b66425dc5942150fb8709572cace37de9aa0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cmdName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let cmdName = vec.first().unwrap().to_string();
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `cmd_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tasks_parallel_execute-684394088833959c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90aa8de6db7671241874d6593ac1b66425dc5942150fb8709572cace37de9aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90aa8de6db7671241874d6593ac1b66425dc5942150fb8709572cace37de9aa0", kill_on_drop: false }`
[INFO] [stdout] 90aa8de6db7671241874d6593ac1b66425dc5942150fb8709572cace37de9aa0