[INFO] fetching crate tref 0.1.1...
[INFO] testing tref-0.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate tref 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tref 0.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tref 0.1.1
[INFO] finished tweaking crates.io crate tref 0.1.1
[INFO] tweaked toml for crates.io crate tref 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tref 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6bcd4d7b91de41fcc85cda121d631cda29e7d40777014e064462434fc12bfcb
[INFO] running `Command { std: "docker" "start" "-a" "b6bcd4d7b91de41fcc85cda121d631cda29e7d40777014e064462434fc12bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6bcd4d7b91de41fcc85cda121d631cda29e7d40777014e064462434fc12bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bcd4d7b91de41fcc85cda121d631cda29e7d40777014e064462434fc12bfcb", kill_on_drop: false }`
[INFO] [stdout] b6bcd4d7b91de41fcc85cda121d631cda29e7d40777014e064462434fc12bfcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea416b74c5df707946e8edf906d07c4637a3d0e894ba3f5d04b4acc02c403e0c
[INFO] running `Command { std: "docker" "start" "-a" "ea416b74c5df707946e8edf906d07c4637a3d0e894ba3f5d04b4acc02c403e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling tref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "ea416b74c5df707946e8edf906d07c4637a3d0e894ba3f5d04b4acc02c403e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea416b74c5df707946e8edf906d07c4637a3d0e894ba3f5d04b4acc02c403e0c", kill_on_drop: false }`
[INFO] [stdout] ea416b74c5df707946e8edf906d07c4637a3d0e894ba3f5d04b4acc02c403e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080bf599201aff9421cf5b3559145b78a4b7b9230c9a06d9d30b5fa7a7478fe4
[INFO] running `Command { std: "docker" "start" "-a" "080bf599201aff9421cf5b3559145b78a4b7b9230c9a06d9d30b5fa7a7478fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "080bf599201aff9421cf5b3559145b78a4b7b9230c9a06d9d30b5fa7a7478fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080bf599201aff9421cf5b3559145b78a4b7b9230c9a06d9d30b5fa7a7478fe4", kill_on_drop: false }`
[INFO] [stdout] 080bf599201aff9421cf5b3559145b78a4b7b9230c9a06d9d30b5fa7a7478fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96c4538c8e005e714b172c9a0ae535369d69c51808d264785bdb0f37d0a488ef
[INFO] running `Command { std: "docker" "start" "-a" "96c4538c8e005e714b172c9a0ae535369d69c51808d264785bdb0f37d0a488ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tref-989a433263870262)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::check_generate ... ok
[INFO] [stdout] test tests::check_modify_tree ... ok
[INFO] [stdout] test tests::check_dialect ... ok
[INFO] [stdout] test tests::check_dialect_enum ... ok
[INFO] [stdout] test tests::check_find_node ... ok
[INFO] [stdout] test tests::check_bfs_iter ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tref-e87245635778bf73)
[INFO] [stdout] test tests::check_forest_integrity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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" "96c4538c8e005e714b172c9a0ae535369d69c51808d264785bdb0f37d0a488ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c4538c8e005e714b172c9a0ae535369d69c51808d264785bdb0f37d0a488ef", kill_on_drop: false }`
[INFO] [stdout] 96c4538c8e005e714b172c9a0ae535369d69c51808d264785bdb0f37d0a488ef