[INFO] fetching crate gitree 0.3.0...
[INFO] testing gitree-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate gitree 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gitree 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-4/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] [stderr]   Downloaded run_script v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286d02d67c30895485874cf8de57865288fae9cf123d23fca70e666a1d75688d
[INFO] running `Command { std: "docker" "start" "-a" "286d02d67c30895485874cf8de57865288fae9cf123d23fca70e666a1d75688d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286d02d67c30895485874cf8de57865288fae9cf123d23fca70e666a1d75688d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286d02d67c30895485874cf8de57865288fae9cf123d23fca70e666a1d75688d", kill_on_drop: false }`
[INFO] [stdout] 286d02d67c30895485874cf8de57865288fae9cf123d23fca70e666a1d75688d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 891be9fdcca572d18f6deb989516c9d41f08e919e12b22703df2413b9dc90877
[INFO] running `Command { std: "docker" "start" "-a" "891be9fdcca572d18f6deb989516c9d41f08e919e12b22703df2413b9dc90877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[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 9.26s
[INFO] running `Command { std: "docker" "inspect" "891be9fdcca572d18f6deb989516c9d41f08e919e12b22703df2413b9dc90877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891be9fdcca572d18f6deb989516c9d41f08e919e12b22703df2413b9dc90877", kill_on_drop: false }`
[INFO] [stdout] 891be9fdcca572d18f6deb989516c9d41f08e919e12b22703df2413b9dc90877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8168d62370421814af0988f094979f8f3f5db2dbc3b9077110ee0fd94d1dd7d8
[INFO] running `Command { std: "docker" "start" "-a" "8168d62370421814af0988f094979f8f3f5db2dbc3b9077110ee0fd94d1dd7d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gitree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "8168d62370421814af0988f094979f8f3f5db2dbc3b9077110ee0fd94d1dd7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8168d62370421814af0988f094979f8f3f5db2dbc3b9077110ee0fd94d1dd7d8", kill_on_drop: false }`
[INFO] [stdout] 8168d62370421814af0988f094979f8f3f5db2dbc3b9077110ee0fd94d1dd7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da534b61e74d6636212648fc0b444d3fe5986ea1018d204ca45b2ab5962df137
[INFO] running `Command { std: "docker" "start" "-a" "da534b61e74d6636212648fc0b444d3fe5986ea1018d204ca45b2ab5962df137", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gitree-bd713c2d4d7e1827)
[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" "da534b61e74d6636212648fc0b444d3fe5986ea1018d204ca45b2ab5962df137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da534b61e74d6636212648fc0b444d3fe5986ea1018d204ca45b2ab5962df137", kill_on_drop: false }`
[INFO] [stdout] da534b61e74d6636212648fc0b444d3fe5986ea1018d204ca45b2ab5962df137