[INFO] cloning repository https://github.com/0xdaduck/02-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xdaduck/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xdaduck%2F02-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xdaduck%2F02-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 624a50d84e2449af49b7f9f3ecf697a44d8a1531
[INFO] testing 0xdaduck/02-concurrency against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xdaduck%2F02-concurrency" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xdaduck/02-concurrency
[INFO] finished tweaking git repo https://github.com/0xdaduck/02-concurrency
[INFO] tweaked toml for git repo https://github.com/0xdaduck/02-concurrency written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xdaduck/02-concurrency on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xdaduck/02-concurrency 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752655d287a1131443a3b6404c2a11013abaa38139a04869b06542a92d5ca429
[INFO] running `Command { std: "docker" "start" "-a" "752655d287a1131443a3b6404c2a11013abaa38139a04869b06542a92d5ca429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752655d287a1131443a3b6404c2a11013abaa38139a04869b06542a92d5ca429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752655d287a1131443a3b6404c2a11013abaa38139a04869b06542a92d5ca429", kill_on_drop: false }`
[INFO] [stdout] 752655d287a1131443a3b6404c2a11013abaa38139a04869b06542a92d5ca429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07062a98c623fae113cef8e7eb2157c1f1d7a8806660d659b51b2d07d2916e1c
[INFO] running `Command { std: "docker" "start" "-a" "07062a98c623fae113cef8e7eb2157c1f1d7a8806660d659b51b2d07d2916e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling concurrency-2rd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.55s
[INFO] running `Command { std: "docker" "inspect" "07062a98c623fae113cef8e7eb2157c1f1d7a8806660d659b51b2d07d2916e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07062a98c623fae113cef8e7eb2157c1f1d7a8806660d659b51b2d07d2916e1c", kill_on_drop: false }`
[INFO] [stdout] 07062a98c623fae113cef8e7eb2157c1f1d7a8806660d659b51b2d07d2916e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0a1430e1679d305c34d1df2a464c9fd6a2653f2366b0fa6a7c447756c8badbf
[INFO] running `Command { std: "docker" "start" "-a" "a0a1430e1679d305c34d1df2a464c9fd6a2653f2366b0fa6a7c447756c8badbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency-2rd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "a0a1430e1679d305c34d1df2a464c9fd6a2653f2366b0fa6a7c447756c8badbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a1430e1679d305c34d1df2a464c9fd6a2653f2366b0fa6a7c447756c8badbf", kill_on_drop: false }`
[INFO] [stdout] a0a1430e1679d305c34d1df2a464c9fd6a2653f2366b0fa6a7c447756c8badbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5c5b4fb9af82adfc724b919b05b1edb5269eb79b2528f772fcf71b9a310f703
[INFO] running `Command { std: "docker" "start" "-a" "f5c5b4fb9af82adfc724b919b05b1edb5269eb79b2528f772fcf71b9a310f703", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_2rd-2de6a8551bbedce1)
[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" "f5c5b4fb9af82adfc724b919b05b1edb5269eb79b2528f772fcf71b9a310f703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c5b4fb9af82adfc724b919b05b1edb5269eb79b2528f772fcf71b9a310f703", kill_on_drop: false }`
[INFO] [stdout] f5c5b4fb9af82adfc724b919b05b1edb5269eb79b2528f772fcf71b9a310f703
