[INFO] cloning repository https://github.com/sinshutu/sample-rust-expr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinshutu/sample-rust-expr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinshutu%2Fsample-rust-expr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinshutu%2Fsample-rust-expr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e4f7b4c0b2d750aabfcc39dcbf080d7c4787fe2
[INFO] testing sinshutu/sample-rust-expr against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinshutu%2Fsample-rust-expr" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinshutu/sample-rust-expr 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/sinshutu/sample-rust-expr
[INFO] finished tweaking git repo https://github.com/sinshutu/sample-rust-expr
[INFO] tweaked toml for git repo https://github.com/sinshutu/sample-rust-expr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sinshutu/sample-rust-expr 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] fe67bb9ffc6d8903a33cf79fd5a734709e0a229edd61de9ac52dac7a4c7ea36a
[INFO] running `Command { std: "docker" "start" "-a" "fe67bb9ffc6d8903a33cf79fd5a734709e0a229edd61de9ac52dac7a4c7ea36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe67bb9ffc6d8903a33cf79fd5a734709e0a229edd61de9ac52dac7a4c7ea36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe67bb9ffc6d8903a33cf79fd5a734709e0a229edd61de9ac52dac7a4c7ea36a", kill_on_drop: false }`
[INFO] [stdout] fe67bb9ffc6d8903a33cf79fd5a734709e0a229edd61de9ac52dac7a4c7ea36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bff17ac5fd0009a4fa632cdd9294f8cc6267db65ba5764d2410d6356181f1ae5
[INFO] running `Command { std: "docker" "start" "-a" "bff17ac5fd0009a4fa632cdd9294f8cc6267db65ba5764d2410d6356181f1ae5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sample-rust-expr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "bff17ac5fd0009a4fa632cdd9294f8cc6267db65ba5764d2410d6356181f1ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff17ac5fd0009a4fa632cdd9294f8cc6267db65ba5764d2410d6356181f1ae5", kill_on_drop: false }`
[INFO] [stdout] bff17ac5fd0009a4fa632cdd9294f8cc6267db65ba5764d2410d6356181f1ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b16087bd0c140cd26acf2d6ed68eac16ad741cdd2ea7e590a03faff825e29150
[INFO] running `Command { std: "docker" "start" "-a" "b16087bd0c140cd26acf2d6ed68eac16ad741cdd2ea7e590a03faff825e29150", kill_on_drop: false }`
[INFO] [stderr]    Compiling sample-rust-expr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "b16087bd0c140cd26acf2d6ed68eac16ad741cdd2ea7e590a03faff825e29150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16087bd0c140cd26acf2d6ed68eac16ad741cdd2ea7e590a03faff825e29150", kill_on_drop: false }`
[INFO] [stdout] b16087bd0c140cd26acf2d6ed68eac16ad741cdd2ea7e590a03faff825e29150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e2af3ab151f6264929d8c55ce8cf2785d67027b258602137582f91e75f0e20ff
[INFO] running `Command { std: "docker" "start" "-a" "e2af3ab151f6264929d8c55ce8cf2785d67027b258602137582f91e75f0e20ff", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sample_rust_expr-22bd0f025b679631)
[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" "e2af3ab151f6264929d8c55ce8cf2785d67027b258602137582f91e75f0e20ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2af3ab151f6264929d8c55ce8cf2785d67027b258602137582f91e75f0e20ff", kill_on_drop: false }`
[INFO] [stdout] e2af3ab151f6264929d8c55ce8cf2785d67027b258602137582f91e75f0e20ff