[INFO] fetching crate forests 0.0.2...
[INFO] testing forests-0.0.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate forests 0.0.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate forests 0.0.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e9765bd43a8bed2880fb2062f2b64a451926762c56dee1c436fc9be8582ada6
[INFO] running `Command { std: "docker" "start" "-a" "4e9765bd43a8bed2880fb2062f2b64a451926762c56dee1c436fc9be8582ada6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9765bd43a8bed2880fb2062f2b64a451926762c56dee1c436fc9be8582ada6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9765bd43a8bed2880fb2062f2b64a451926762c56dee1c436fc9be8582ada6", kill_on_drop: false }`
[INFO] [stdout] 4e9765bd43a8bed2880fb2062f2b64a451926762c56dee1c436fc9be8582ada6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d63595799e8fb15316ec09ed1d007a275a692810d2729b6197465fe5aac262c
[INFO] running `Command { std: "docker" "start" "-a" "0d63595799e8fb15316ec09ed1d007a275a692810d2729b6197465fe5aac262c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling forests v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "0d63595799e8fb15316ec09ed1d007a275a692810d2729b6197465fe5aac262c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d63595799e8fb15316ec09ed1d007a275a692810d2729b6197465fe5aac262c", kill_on_drop: false }`
[INFO] [stdout] 0d63595799e8fb15316ec09ed1d007a275a692810d2729b6197465fe5aac262c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f35896078863dc9c800b64fae9d695f018aa8899e3b1ba12655358851d6f23
[INFO] running `Command { std: "docker" "start" "-a" "10f35896078863dc9c800b64fae9d695f018aa8899e3b1ba12655358851d6f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling forests v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "10f35896078863dc9c800b64fae9d695f018aa8899e3b1ba12655358851d6f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f35896078863dc9c800b64fae9d695f018aa8899e3b1ba12655358851d6f23", kill_on_drop: false }`
[INFO] [stdout] 10f35896078863dc9c800b64fae9d695f018aa8899e3b1ba12655358851d6f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88868c9a2bf4240cc0e46d223430c36a341952e89304b9ca9ce52971aa4e1cad
[INFO] running `Command { std: "docker" "start" "-a" "88868c9a2bf4240cc0e46d223430c36a341952e89304b9ca9ce52971aa4e1cad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/forests-c17764b14ab82a46)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-2b879738268de704)
[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] [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_002 ... ok
[INFO] [stdout] test basic_forest_005 ... ok
[INFO] [stdout] test basic_forest_004 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "88868c9a2bf4240cc0e46d223430c36a341952e89304b9ca9ce52971aa4e1cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88868c9a2bf4240cc0e46d223430c36a341952e89304b9ca9ce52971aa4e1cad", kill_on_drop: false }`
[INFO] [stdout] 88868c9a2bf4240cc0e46d223430c36a341952e89304b9ca9ce52971aa4e1cad