[INFO] fetching crate symbol_interner 0.1.2...
[INFO] testing symbol_interner-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate symbol_interner 0.1.2 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate symbol_interner 0.1.2 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 symbol_interner 0.1.2
[INFO] finished tweaking crates.io crate symbol_interner 0.1.2
[INFO] tweaked toml for crates.io crate symbol_interner 0.1.2 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] cc4c841aefa3ab91a3785bbefc6b1d7fdb22ca70bc1204e2f7fa4a300dd3dab2
[INFO] running `Command { std: "docker" "start" "-a" "cc4c841aefa3ab91a3785bbefc6b1d7fdb22ca70bc1204e2f7fa4a300dd3dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc4c841aefa3ab91a3785bbefc6b1d7fdb22ca70bc1204e2f7fa4a300dd3dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4c841aefa3ab91a3785bbefc6b1d7fdb22ca70bc1204e2f7fa4a300dd3dab2", kill_on_drop: false }`
[INFO] [stdout] cc4c841aefa3ab91a3785bbefc6b1d7fdb22ca70bc1204e2f7fa4a300dd3dab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 7147b1ef4ed8dff40d6f8097cffb56b638fd71fe4ac629805bf62b5a9190fde0
[INFO] running `Command { std: "docker" "start" "-a" "7147b1ef4ed8dff40d6f8097cffb56b638fd71fe4ac629805bf62b5a9190fde0", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbol_interner v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "7147b1ef4ed8dff40d6f8097cffb56b638fd71fe4ac629805bf62b5a9190fde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7147b1ef4ed8dff40d6f8097cffb56b638fd71fe4ac629805bf62b5a9190fde0", kill_on_drop: false }`
[INFO] [stdout] 7147b1ef4ed8dff40d6f8097cffb56b638fd71fe4ac629805bf62b5a9190fde0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 23821584396ea3c045b53219d347a61df701fc56735cb71ac04245adf15a6e34
[INFO] running `Command { std: "docker" "start" "-a" "23821584396ea3c045b53219d347a61df701fc56735cb71ac04245adf15a6e34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling symbol_interner v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "23821584396ea3c045b53219d347a61df701fc56735cb71ac04245adf15a6e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23821584396ea3c045b53219d347a61df701fc56735cb71ac04245adf15a6e34", kill_on_drop: false }`
[INFO] [stdout] 23821584396ea3c045b53219d347a61df701fc56735cb71ac04245adf15a6e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 3d06031a0e23f0911b0cc63d6f3d6185145e7a135d7d34d78881b333dfa67a8a
[INFO] running `Command { std: "docker" "start" "-a" "3d06031a0e23f0911b0cc63d6f3d6185145e7a135d7d34d78881b333dfa67a8a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbol_interner-d467ecb3c82427f8)
[INFO] [stdout] test tests::default ... ok
[INFO] [stderr]    Doc-tests symbol_interner
[INFO] [stdout] test tests::errors ... ok
[INFO] [stdout] test tests::existence_checks ... ok
[INFO] [stdout] test tests::intern_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "3d06031a0e23f0911b0cc63d6f3d6185145e7a135d7d34d78881b333dfa67a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d06031a0e23f0911b0cc63d6f3d6185145e7a135d7d34d78881b333dfa67a8a", kill_on_drop: false }`
[INFO] [stdout] 3d06031a0e23f0911b0cc63d6f3d6185145e7a135d7d34d78881b333dfa67a8a