[INFO] cloning repository https://github.com/carols10cents/semver-trick-cargo-doc-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carols10cents/semver-trick-cargo-doc-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Fsemver-trick-cargo-doc-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Fsemver-trick-cargo-doc-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef97b9ae16a2d8e34d2f69cc5ca4f61b2497cd41
[INFO] testing carols10cents/semver-trick-cargo-doc-problem against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Fsemver-trick-cargo-doc-problem" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carols10cents/semver-trick-cargo-doc-problem on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carols10cents/semver-trick-cargo-doc-problem
[INFO] finished tweaking git repo https://github.com/carols10cents/semver-trick-cargo-doc-problem
[INFO] tweaked toml for git repo https://github.com/carols10cents/semver-trick-cargo-doc-problem written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/carols10cents/semver-trick-cargo-doc-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722ab02eb90065d4ec8f3f33bbe21dd6858d2809e079a0e7617dc5f0e4e7c6a6
[INFO] running `Command { std: "docker" "start" "-a" "722ab02eb90065d4ec8f3f33bbe21dd6858d2809e079a0e7617dc5f0e4e7c6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722ab02eb90065d4ec8f3f33bbe21dd6858d2809e079a0e7617dc5f0e4e7c6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722ab02eb90065d4ec8f3f33bbe21dd6858d2809e079a0e7617dc5f0e4e7c6a6", kill_on_drop: false }`
[INFO] [stdout] 722ab02eb90065d4ec8f3f33bbe21dd6858d2809e079a0e7617dc5f0e4e7c6a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7037af1f29e09edb9aef8194348eb2b0ce5404ab242689082d84a3ce9c8e5193
[INFO] running `Command { std: "docker" "start" "-a" "7037af1f29e09edb9aef8194348eb2b0ce5404ab242689082d84a3ce9c8e5193", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "7037af1f29e09edb9aef8194348eb2b0ce5404ab242689082d84a3ce9c8e5193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7037af1f29e09edb9aef8194348eb2b0ce5404ab242689082d84a3ce9c8e5193", kill_on_drop: false }`
[INFO] [stdout] 7037af1f29e09edb9aef8194348eb2b0ce5404ab242689082d84a3ce9c8e5193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d8cf7b951b0872c66d9eeea1f6f527903044cb092132995f0789c915c1e7507
[INFO] running `Command { std: "docker" "start" "-a" "7d8cf7b951b0872c66d9eeea1f6f527903044cb092132995f0789c915c1e7507", kill_on_drop: false }`
[INFO] [stderr]    Compiling problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7d8cf7b951b0872c66d9eeea1f6f527903044cb092132995f0789c915c1e7507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8cf7b951b0872c66d9eeea1f6f527903044cb092132995f0789c915c1e7507", kill_on_drop: false }`
[INFO] [stdout] 7d8cf7b951b0872c66d9eeea1f6f527903044cb092132995f0789c915c1e7507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb2b49efd9cfae891e9a0f58e2821086dcc22ac68329461641c8c0d06aab1bde
[INFO] running `Command { std: "docker" "start" "-a" "cb2b49efd9cfae891e9a0f58e2821086dcc22ac68329461641c8c0d06aab1bde", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/problem-81e8a37d2a05cae1)
[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" "cb2b49efd9cfae891e9a0f58e2821086dcc22ac68329461641c8c0d06aab1bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2b49efd9cfae891e9a0f58e2821086dcc22ac68329461641c8c0d06aab1bde", kill_on_drop: false }`
[INFO] [stdout] cb2b49efd9cfae891e9a0f58e2821086dcc22ac68329461641c8c0d06aab1bde