[INFO] fetching crate trackergrab 0.0.0...
[INFO] testing trackergrab-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate trackergrab 0.0.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate trackergrab 0.0.0 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 trackergrab 0.0.0
[INFO] finished tweaking crates.io crate trackergrab 0.0.0
[INFO] tweaked toml for crates.io crate trackergrab 0.0.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate trackergrab 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 2d41af61f0048b35a7162c86d439275edf4d9fa86268a4d3d0011580275f5006
[INFO] running `Command { std: "docker" "start" "-a" "2d41af61f0048b35a7162c86d439275edf4d9fa86268a4d3d0011580275f5006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d41af61f0048b35a7162c86d439275edf4d9fa86268a4d3d0011580275f5006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d41af61f0048b35a7162c86d439275edf4d9fa86268a4d3d0011580275f5006", kill_on_drop: false }`
[INFO] [stdout] 2d41af61f0048b35a7162c86d439275edf4d9fa86268a4d3d0011580275f5006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 3e35a1033e862d45fe78e85083598ecbb55b5d91bac4cc1a3b8cebf5b68968ae
[INFO] running `Command { std: "docker" "start" "-a" "3e35a1033e862d45fe78e85083598ecbb55b5d91bac4cc1a3b8cebf5b68968ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling trackergrab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3e35a1033e862d45fe78e85083598ecbb55b5d91bac4cc1a3b8cebf5b68968ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e35a1033e862d45fe78e85083598ecbb55b5d91bac4cc1a3b8cebf5b68968ae", kill_on_drop: false }`
[INFO] [stdout] 3e35a1033e862d45fe78e85083598ecbb55b5d91bac4cc1a3b8cebf5b68968ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] b5eedde1ac536bd8dbc29fe521d8030e530c7e1f71dfa38fa1d371bfc51443b1
[INFO] running `Command { std: "docker" "start" "-a" "b5eedde1ac536bd8dbc29fe521d8030e530c7e1f71dfa38fa1d371bfc51443b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling trackergrab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b5eedde1ac536bd8dbc29fe521d8030e530c7e1f71dfa38fa1d371bfc51443b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5eedde1ac536bd8dbc29fe521d8030e530c7e1f71dfa38fa1d371bfc51443b1", kill_on_drop: false }`
[INFO] [stdout] b5eedde1ac536bd8dbc29fe521d8030e530c7e1f71dfa38fa1d371bfc51443b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 13a09bbb0c0178437cf4443b5d6f621b9e40849e5ff7691efa4b25cf3e2c72e6
[INFO] running `Command { std: "docker" "start" "-a" "13a09bbb0c0178437cf4443b5d6f621b9e40849e5ff7691efa4b25cf3e2c72e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trackergrab-0ea4830927a4a7ed)
[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" "13a09bbb0c0178437cf4443b5d6f621b9e40849e5ff7691efa4b25cf3e2c72e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a09bbb0c0178437cf4443b5d6f621b9e40849e5ff7691efa4b25cf3e2c72e6", kill_on_drop: false }`
[INFO] [stdout] 13a09bbb0c0178437cf4443b5d6f621b9e40849e5ff7691efa4b25cf3e2c72e6