[INFO] fetching crate forests 0.0.2...
[INFO] testing forests-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate forests 0.0.2 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate forests 0.0.2 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 forests 0.0.2
[INFO] finished tweaking crates.io crate forests 0.0.2
[INFO] tweaked toml for crates.io crate forests 0.0.2 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 0b752258abc2263105768a9fbf366cded8165af21002c447086e26a05f86f5dd
[INFO] running `Command { std: "docker" "start" "-a" "0b752258abc2263105768a9fbf366cded8165af21002c447086e26a05f86f5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b752258abc2263105768a9fbf366cded8165af21002c447086e26a05f86f5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b752258abc2263105768a9fbf366cded8165af21002c447086e26a05f86f5dd", kill_on_drop: false }`
[INFO] [stdout] 0b752258abc2263105768a9fbf366cded8165af21002c447086e26a05f86f5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 7ce7afe5dc859baaef4f163eaa6b905705885160b2069ee1467bdc6143c80ff1
[INFO] running `Command { std: "docker" "start" "-a" "7ce7afe5dc859baaef4f163eaa6b905705885160b2069ee1467bdc6143c80ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling forests v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7ce7afe5dc859baaef4f163eaa6b905705885160b2069ee1467bdc6143c80ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce7afe5dc859baaef4f163eaa6b905705885160b2069ee1467bdc6143c80ff1", kill_on_drop: false }`
[INFO] [stdout] 7ce7afe5dc859baaef4f163eaa6b905705885160b2069ee1467bdc6143c80ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 3e76d062e9bb2d1140c66d8d278bd264d60b966231a487e17417b2ba0f0936db
[INFO] running `Command { std: "docker" "start" "-a" "3e76d062e9bb2d1140c66d8d278bd264d60b966231a487e17417b2ba0f0936db", kill_on_drop: false }`
[INFO] [stderr]    Compiling forests v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "3e76d062e9bb2d1140c66d8d278bd264d60b966231a487e17417b2ba0f0936db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e76d062e9bb2d1140c66d8d278bd264d60b966231a487e17417b2ba0f0936db", kill_on_drop: false }`
[INFO] [stdout] 3e76d062e9bb2d1140c66d8d278bd264d60b966231a487e17417b2ba0f0936db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] f19add03048e1100195a8412406a6855ebdeb7e4cb3637aae8c9587cb0095913
[INFO] running `Command { std: "docker" "start" "-a" "f19add03048e1100195a8412406a6855ebdeb7e4cb3637aae8c9587cb0095913", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/forests-82d090db40d2122a)
[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]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-9917e27887b75693)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test basic_forest_001 ... ok
[INFO] [stdout] test basic_forest_003 ... ok
[INFO] [stdout] test basic_forest_004 ... ok
[INFO] [stdout] test basic_forest_002 ... ok
[INFO] [stdout] test basic_forest_005 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests forests
[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" "f19add03048e1100195a8412406a6855ebdeb7e4cb3637aae8c9587cb0095913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19add03048e1100195a8412406a6855ebdeb7e4cb3637aae8c9587cb0095913", kill_on_drop: false }`
[INFO] [stdout] f19add03048e1100195a8412406a6855ebdeb7e4cb3637aae8c9587cb0095913