[INFO] fetching crate pretree 1.0.1...
[INFO] testing pretree-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pretree 1.0.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate pretree 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretree 1.0.1
[INFO] finished tweaking crates.io crate pretree 1.0.1
[INFO] tweaked toml for crates.io crate pretree 1.0.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a71e501080589f4279031421e4ea5dec80a0bb48799403dc908e116389d3102
[INFO] running `Command { std: "docker" "start" "-a" "0a71e501080589f4279031421e4ea5dec80a0bb48799403dc908e116389d3102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a71e501080589f4279031421e4ea5dec80a0bb48799403dc908e116389d3102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a71e501080589f4279031421e4ea5dec80a0bb48799403dc908e116389d3102", kill_on_drop: false }`
[INFO] [stdout] 0a71e501080589f4279031421e4ea5dec80a0bb48799403dc908e116389d3102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 715a0b14ef50d1142c904c03c7a1ca2913acf41bcc2c465d001be7384b5a4d5e
[INFO] running `Command { std: "docker" "start" "-a" "715a0b14ef50d1142c904c03c7a1ca2913acf41bcc2c465d001be7384b5a4d5e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pretree v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "715a0b14ef50d1142c904c03c7a1ca2913acf41bcc2c465d001be7384b5a4d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715a0b14ef50d1142c904c03c7a1ca2913acf41bcc2c465d001be7384b5a4d5e", kill_on_drop: false }`
[INFO] [stdout] 715a0b14ef50d1142c904c03c7a1ca2913acf41bcc2c465d001be7384b5a4d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c597ddb6c8c0ad621c605bf4ef992187fc8f90fe01e28de68f2398a4d5a2140a
[INFO] running `Command { std: "docker" "start" "-a" "c597ddb6c8c0ad621c605bf4ef992187fc8f90fe01e28de68f2398a4d5a2140a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretree v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c597ddb6c8c0ad621c605bf4ef992187fc8f90fe01e28de68f2398a4d5a2140a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c597ddb6c8c0ad621c605bf4ef992187fc8f90fe01e28de68f2398a4d5a2140a", kill_on_drop: false }`
[INFO] [stdout] c597ddb6c8c0ad621c605bf4ef992187fc8f90fe01e28de68f2398a4d5a2140a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f403a7a9df920592c376ef0272b932db2d53bf849c8c943f61305c74be0eb40
[INFO] running `Command { std: "docker" "start" "-a" "2f403a7a9df920592c376ef0272b932db2d53bf849c8c943f61305c74be0eb40", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pretree-b62f2aede13e322b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_match ... ok
[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] [stderr]    Doc-tests pretree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Pretree::store (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Pretree::query (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f403a7a9df920592c376ef0272b932db2d53bf849c8c943f61305c74be0eb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f403a7a9df920592c376ef0272b932db2d53bf849c8c943f61305c74be0eb40", kill_on_drop: false }`
[INFO] [stdout] 2f403a7a9df920592c376ef0272b932db2d53bf849c8c943f61305c74be0eb40