[INFO] cloning repository https://github.com/maniankara/rustbyexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maniankara/rustbyexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaniankara%2Frustbyexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaniankara%2Frustbyexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8c9b76ed1f65e7f0543d54c3f48068d8a37ab3a
[INFO] testing maniankara/rustbyexample against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaniankara%2Frustbyexample" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maniankara/rustbyexample on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maniankara/rustbyexample
[INFO] finished tweaking git repo https://github.com/maniankara/rustbyexample
[INFO] tweaked toml for git repo https://github.com/maniankara/rustbyexample written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/maniankara/rustbyexample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69f01c88b0975769285543e0cd47c77147611180273bf55b36d5f3f18c056fe4
[INFO] running `Command { std: "docker" "start" "-a" "69f01c88b0975769285543e0cd47c77147611180273bf55b36d5f3f18c056fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f01c88b0975769285543e0cd47c77147611180273bf55b36d5f3f18c056fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f01c88b0975769285543e0cd47c77147611180273bf55b36d5f3f18c056fe4", kill_on_drop: false }`
[INFO] [stdout] 69f01c88b0975769285543e0cd47c77147611180273bf55b36d5f3f18c056fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c59d57194b0eb5f1ecdb433d8916fbd8d12de390ccd4187a3c3fe084325f476
[INFO] running `Command { std: "docker" "start" "-a" "4c59d57194b0eb5f1ecdb433d8916fbd8d12de390ccd4187a3c3fe084325f476", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustbyexample v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "4c59d57194b0eb5f1ecdb433d8916fbd8d12de390ccd4187a3c3fe084325f476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c59d57194b0eb5f1ecdb433d8916fbd8d12de390ccd4187a3c3fe084325f476", kill_on_drop: false }`
[INFO] [stdout] 4c59d57194b0eb5f1ecdb433d8916fbd8d12de390ccd4187a3c3fe084325f476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74cf4ead0615ce54f8ae3e9b8040fbb7b3a06fa9aed338feb6271360b9d054c1
[INFO] running `Command { std: "docker" "start" "-a" "74cf4ead0615ce54f8ae3e9b8040fbb7b3a06fa9aed338feb6271360b9d054c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustbyexample v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] [stderr]   Executable unittests tutorial/26std/40channel.rs (/opt/rustwide/target/debug/deps/rustbyexample-5558f21f6e452ee4)
[INFO] running `Command { std: "docker" "inspect" "74cf4ead0615ce54f8ae3e9b8040fbb7b3a06fa9aed338feb6271360b9d054c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cf4ead0615ce54f8ae3e9b8040fbb7b3a06fa9aed338feb6271360b9d054c1", kill_on_drop: false }`
[INFO] [stdout] 74cf4ead0615ce54f8ae3e9b8040fbb7b3a06fa9aed338feb6271360b9d054c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83de400559c26dc88a602077306e2dda75d590f330f24bdc1ec8e306b6a84384
[INFO] running `Command { std: "docker" "start" "-a" "83de400559c26dc88a602077306e2dda75d590f330f24bdc1ec8e306b6a84384", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests tutorial/26std/40channel.rs (/opt/rustwide/target/debug/deps/rustbyexample-5558f21f6e452ee4)
[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" "83de400559c26dc88a602077306e2dda75d590f330f24bdc1ec8e306b6a84384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83de400559c26dc88a602077306e2dda75d590f330f24bdc1ec8e306b6a84384", kill_on_drop: false }`
[INFO] [stdout] 83de400559c26dc88a602077306e2dda75d590f330f24bdc1ec8e306b6a84384