[INFO] fetching crate gitree 0.3.0...
[INFO] testing gitree-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gitree 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gitree 0.3.0 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 crates.io crate gitree 0.3.0
[INFO] finished tweaking crates.io crate gitree 0.3.0
[INFO] tweaked toml for crates.io crate gitree 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gitree 0.3.0 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2e401c037a31756df3a50a9a16bdf0143bb6998387772934b35b8592b94e4ba5
[INFO] running `Command { std: "docker" "start" "-a" "2e401c037a31756df3a50a9a16bdf0143bb6998387772934b35b8592b94e4ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e401c037a31756df3a50a9a16bdf0143bb6998387772934b35b8592b94e4ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e401c037a31756df3a50a9a16bdf0143bb6998387772934b35b8592b94e4ba5", kill_on_drop: false }`
[INFO] [stdout] 2e401c037a31756df3a50a9a16bdf0143bb6998387772934b35b8592b94e4ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5c11ebd09322ab2a0cc630d6e0fd670e6a82d5aea6f004cc400dd6448819e386
[INFO] running `Command { std: "docker" "start" "-a" "5c11ebd09322ab2a0cc630d6e0fd670e6a82d5aea6f004cc400dd6448819e386", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling run_script v0.6.3
[INFO] [stderr]    Compiling gitree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "5c11ebd09322ab2a0cc630d6e0fd670e6a82d5aea6f004cc400dd6448819e386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c11ebd09322ab2a0cc630d6e0fd670e6a82d5aea6f004cc400dd6448819e386", kill_on_drop: false }`
[INFO] [stdout] 5c11ebd09322ab2a0cc630d6e0fd670e6a82d5aea6f004cc400dd6448819e386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cd04c195eb0421a9671e23dd767516a45e176b4357c22647056d4ec037066e68
[INFO] running `Command { std: "docker" "start" "-a" "cd04c195eb0421a9671e23dd767516a45e176b4357c22647056d4ec037066e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling gitree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "cd04c195eb0421a9671e23dd767516a45e176b4357c22647056d4ec037066e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd04c195eb0421a9671e23dd767516a45e176b4357c22647056d4ec037066e68", kill_on_drop: false }`
[INFO] [stdout] cd04c195eb0421a9671e23dd767516a45e176b4357c22647056d4ec037066e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 085ffe994e9d83b12d64cd74881975b4873da5a4ca54de1f8e74b16dafa02dea
[INFO] running `Command { std: "docker" "start" "-a" "085ffe994e9d83b12d64cd74881975b4873da5a4ca54de1f8e74b16dafa02dea", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gitree-c72d8ceec11fe85f)
[INFO] running `Command { std: "docker" "inspect" "085ffe994e9d83b12d64cd74881975b4873da5a4ca54de1f8e74b16dafa02dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085ffe994e9d83b12d64cd74881975b4873da5a4ca54de1f8e74b16dafa02dea", kill_on_drop: false }`
[INFO] [stdout] 085ffe994e9d83b12d64cd74881975b4873da5a4ca54de1f8e74b16dafa02dea