[INFO] cloning repository https://github.com/crystalynliu/rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crystalynliu/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11431be143d9bebb22ce52815c44c24324d7dd8b
[INFO] testing crystalynliu/rust-training against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-training" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crystalynliu/rust-training 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/crystalynliu/rust-training
[INFO] finished tweaking git repo https://github.com/crystalynliu/rust-training
[INFO] tweaked toml for git repo https://github.com/crystalynliu/rust-training written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/crystalynliu/rust-training 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] a8057a4181fc90756c6323b75537963b238d673ece557cccb348e16909a652f8
[INFO] running `Command { std: "docker" "start" "-a" "a8057a4181fc90756c6323b75537963b238d673ece557cccb348e16909a652f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8057a4181fc90756c6323b75537963b238d673ece557cccb348e16909a652f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8057a4181fc90756c6323b75537963b238d673ece557cccb348e16909a652f8", kill_on_drop: false }`
[INFO] [stdout] a8057a4181fc90756c6323b75537963b238d673ece557cccb348e16909a652f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] [stdout] 486bc3312eb049ad29de0b3eeafe8dab4fdc34e9fa614033d375ee4e07c22ebc
[INFO] running `Command { std: "docker" "start" "-a" "486bc3312eb049ad29de0b3eeafe8dab4fdc34e9fa614033d375ee4e07c22ebc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "486bc3312eb049ad29de0b3eeafe8dab4fdc34e9fa614033d375ee4e07c22ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486bc3312eb049ad29de0b3eeafe8dab4fdc34e9fa614033d375ee4e07c22ebc", kill_on_drop: false }`
[INFO] [stdout] 486bc3312eb049ad29de0b3eeafe8dab4fdc34e9fa614033d375ee4e07c22ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] [stdout] c1cd85858978bbc9d44149ad5de6e293e8a9bbcc4854ed93482e6387c133bc00
[INFO] running `Command { std: "docker" "start" "-a" "c1cd85858978bbc9d44149ad5de6e293e8a9bbcc4854ed93482e6387c133bc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c1cd85858978bbc9d44149ad5de6e293e8a9bbcc4854ed93482e6387c133bc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cd85858978bbc9d44149ad5de6e293e8a9bbcc4854ed93482e6387c133bc00", kill_on_drop: false }`
[INFO] [stdout] c1cd85858978bbc9d44149ad5de6e293e8a9bbcc4854ed93482e6387c133bc00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] cfa46519c2a2353b4e2a60dc07180c736ecd0e7294ef446075a40f60597d33e9
[INFO] running `Command { std: "docker" "start" "-a" "cfa46519c2a2353b4e2a60dc07180c736ecd0e7294ef446075a40f60597d33e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_training-f3786ad372a8fe9a)
[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" "cfa46519c2a2353b4e2a60dc07180c736ecd0e7294ef446075a40f60597d33e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa46519c2a2353b4e2a60dc07180c736ecd0e7294ef446075a40f60597d33e9", kill_on_drop: false }`
[INFO] [stdout] cfa46519c2a2353b4e2a60dc07180c736ecd0e7294ef446075a40f60597d33e9