[INFO] fetching crate scape 0.1.0...
[INFO] testing scape-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate scape 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scape 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scape 0.1.0
[INFO] finished tweaking crates.io crate scape 0.1.0
[INFO] tweaked toml for crates.io crate scape 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate scape 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce29979ffbe5ed9ca644ec3a8d725e2eb004ee55dd5ccf6a6e2a6d72795ab6d4
[INFO] running `Command { std: "docker" "start" "-a" "ce29979ffbe5ed9ca644ec3a8d725e2eb004ee55dd5ccf6a6e2a6d72795ab6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce29979ffbe5ed9ca644ec3a8d725e2eb004ee55dd5ccf6a6e2a6d72795ab6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce29979ffbe5ed9ca644ec3a8d725e2eb004ee55dd5ccf6a6e2a6d72795ab6d4", kill_on_drop: false }`
[INFO] [stdout] ce29979ffbe5ed9ca644ec3a8d725e2eb004ee55dd5ccf6a6e2a6d72795ab6d4
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed23fb34b6c337860c091af4279117328cc4ff2411d824c95491ea7a6aeeed3
[INFO] running `Command { std: "docker" "start" "-a" "0ed23fb34b6c337860c091af4279117328cc4ff2411d824c95491ea7a6aeeed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling scape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "0ed23fb34b6c337860c091af4279117328cc4ff2411d824c95491ea7a6aeeed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed23fb34b6c337860c091af4279117328cc4ff2411d824c95491ea7a6aeeed3", kill_on_drop: false }`
[INFO] [stdout] 0ed23fb34b6c337860c091af4279117328cc4ff2411d824c95491ea7a6aeeed3
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e1a2d8fccd6991afe0b82228ce78dcfd5dcc424f36e059dab0a4f7e3173f25
[INFO] running `Command { std: "docker" "start" "-a" "74e1a2d8fccd6991afe0b82228ce78dcfd5dcc424f36e059dab0a4f7e3173f25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scape v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "74e1a2d8fccd6991afe0b82228ce78dcfd5dcc424f36e059dab0a4f7e3173f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e1a2d8fccd6991afe0b82228ce78dcfd5dcc424f36e059dab0a4f7e3173f25", kill_on_drop: false }`
[INFO] [stdout] 74e1a2d8fccd6991afe0b82228ce78dcfd5dcc424f36e059dab0a4f7e3173f25
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55b68b7cce992d120a60340cce571ef99eb296fb895737dce072f7d9d2a61d6a
[INFO] running `Command { std: "docker" "start" "-a" "55b68b7cce992d120a60340cce571ef99eb296fb895737dce072f7d9d2a61d6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scape-c41b0a8c4f2a336a)
[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" "55b68b7cce992d120a60340cce571ef99eb296fb895737dce072f7d9d2a61d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b68b7cce992d120a60340cce571ef99eb296fb895737dce072f7d9d2a61d6a", kill_on_drop: false }`
[INFO] [stdout] 55b68b7cce992d120a60340cce571ef99eb296fb895737dce072f7d9d2a61d6a