[INFO] cloning repository https://github.com/udoprog/syntree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/syntree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c15be3d496351f8c0295dcd5060919672c715de5
[INFO] testing udoprog/syntree against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udoprog/syntree on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udoprog/syntree
[INFO] finished tweaking git repo https://github.com/udoprog/syntree
[INFO] tweaked toml for git repo https://github.com/udoprog/syntree written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/udoprog/syntree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rowan v0.15.2
[INFO] [stderr]   Downloaded countme v3.0.0
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd5accaa1b50f770941c4c17c1280e30d6c4299411c0f27bcccbcb16a1d44a4
[INFO] running `Command { std: "docker" "start" "-a" "4bd5accaa1b50f770941c4c17c1280e30d6c4299411c0f27bcccbcb16a1d44a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd5accaa1b50f770941c4c17c1280e30d6c4299411c0f27bcccbcb16a1d44a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd5accaa1b50f770941c4c17c1280e30d6c4299411c0f27bcccbcb16a1d44a4", kill_on_drop: false }`
[INFO] [stdout] 4bd5accaa1b50f770941c4c17c1280e30d6c4299411c0f27bcccbcb16a1d44a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 453e270e4c1640af517767ee72c1976e242633b90d95750641ff5b9b9ee0f5e7
[INFO] running `Command { std: "docker" "start" "-a" "453e270e4c1640af517767ee72c1976e242633b90d95750641ff5b9b9ee0f5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntree v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "453e270e4c1640af517767ee72c1976e242633b90d95750641ff5b9b9ee0f5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453e270e4c1640af517767ee72c1976e242633b90d95750641ff5b9b9ee0f5e7", kill_on_drop: false }`
[INFO] [stdout] 453e270e4c1640af517767ee72c1976e242633b90d95750641ff5b9b9ee0f5e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f241acc1c8464b7a1415b8074b3c612984e25cd745c09f196710a751a803ef11
[INFO] running `Command { std: "docker" "start" "-a" "f241acc1c8464b7a1415b8074b3c612984e25cd745c09f196710a751a803ef11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling syntree v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "f241acc1c8464b7a1415b8074b3c612984e25cd745c09f196710a751a803ef11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f241acc1c8464b7a1415b8074b3c612984e25cd745c09f196710a751a803ef11", kill_on_drop: false }`
[INFO] [stdout] f241acc1c8464b7a1415b8074b3c612984e25cd745c09f196710a751a803ef11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e19cba6caab534599f1095ecd48b55c414ab10dc1285e1ff3372091b7058fa4
[INFO] running `Command { std: "docker" "start" "-a" "9e19cba6caab534599f1095ecd48b55c414ab10dc1285e1ff3372091b7058fa4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syntree-051a77ff7ca5e089)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checkpoints.rs (/opt/rustwide/target/debug/deps/checkpoints-66e2f96026b10daf)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_nested_checkpoints2 ... ok
[INFO] [stdout] test test_checkpoint_mutation ... ok
[INFO] [stdout] test balanced_checkpoint ... ok
[INFO] [stdout] test test_nested_checkpoints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntree
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name syntree --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-47f04a0f0a36b87a.rlib --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-f02255fcb4c677f0.rlib --extern syntree=/opt/rustwide/target/debug/deps/libsyntree-279eededd630df77.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e13a6906b0ffeba7.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9e19cba6caab534599f1095ecd48b55c414ab10dc1285e1ff3372091b7058fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e19cba6caab534599f1095ecd48b55c414ab10dc1285e1ff3372091b7058fa4", kill_on_drop: false }`
[INFO] [stdout] 9e19cba6caab534599f1095ecd48b55c414ab10dc1285e1ff3372091b7058fa4