[INFO] fetching crate tower-trace 0.0.0...
[INFO] testing tower-trace-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tower-trace 0.0.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate tower-trace 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-trace 0.0.0
[INFO] finished tweaking crates.io crate tower-trace 0.0.0
[INFO] tweaked toml for crates.io crate tower-trace 0.0.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 816412e37e790e0bc9056953ed69df3ad30ad7b663a653fd60ff7fa92b251b44
[INFO] running `Command { std: "docker" "start" "-a" "816412e37e790e0bc9056953ed69df3ad30ad7b663a653fd60ff7fa92b251b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "816412e37e790e0bc9056953ed69df3ad30ad7b663a653fd60ff7fa92b251b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816412e37e790e0bc9056953ed69df3ad30ad7b663a653fd60ff7fa92b251b44", kill_on_drop: false }`
[INFO] [stdout] 816412e37e790e0bc9056953ed69df3ad30ad7b663a653fd60ff7fa92b251b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aebfdaf8d4954f2277a4e7e8d3306573968ae2c7b68c3de6b6977a816234f509
[INFO] running `Command { std: "docker" "start" "-a" "aebfdaf8d4954f2277a4e7e8d3306573968ae2c7b68c3de6b6977a816234f509", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "aebfdaf8d4954f2277a4e7e8d3306573968ae2c7b68c3de6b6977a816234f509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebfdaf8d4954f2277a4e7e8d3306573968ae2c7b68c3de6b6977a816234f509", kill_on_drop: false }`
[INFO] [stdout] aebfdaf8d4954f2277a4e7e8d3306573968ae2c7b68c3de6b6977a816234f509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d1ad22c8cbb8ccb37ed1bc82fb7d4b9b2736ea5ed9dc7f5f680191f3afaab9
[INFO] running `Command { std: "docker" "start" "-a" "f0d1ad22c8cbb8ccb37ed1bc82fb7d4b9b2736ea5ed9dc7f5f680191f3afaab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f0d1ad22c8cbb8ccb37ed1bc82fb7d4b9b2736ea5ed9dc7f5f680191f3afaab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d1ad22c8cbb8ccb37ed1bc82fb7d4b9b2736ea5ed9dc7f5f680191f3afaab9", kill_on_drop: false }`
[INFO] [stdout] f0d1ad22c8cbb8ccb37ed1bc82fb7d4b9b2736ea5ed9dc7f5f680191f3afaab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3103ffbc3cc7aab96ecfd9af78a91050514a3b8759f3ea335a5d8f95d581b1c0
[INFO] running `Command { std: "docker" "start" "-a" "3103ffbc3cc7aab96ecfd9af78a91050514a3b8759f3ea335a5d8f95d581b1c0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_trace-399cd5f33f3234c3)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests tower-trace
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "3103ffbc3cc7aab96ecfd9af78a91050514a3b8759f3ea335a5d8f95d581b1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3103ffbc3cc7aab96ecfd9af78a91050514a3b8759f3ea335a5d8f95d581b1c0", kill_on_drop: false }`
[INFO] [stdout] 3103ffbc3cc7aab96ecfd9af78a91050514a3b8759f3ea335a5d8f95d581b1c0