[INFO] cloning repository https://github.com/mdsteele/tachyomancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsteele/tachyomancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4600f83f00f1ba78f5b69f6b86f729ac696b60fe
[INFO] documenting mdsteele/tachyomancer against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsteele/tachyomancer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdsteele/tachyomancer
[INFO] finished tweaking git repo https://github.com/mdsteele/tachyomancer
[INFO] tweaked toml for git repo https://github.com/mdsteele/tachyomancer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsteele/tachyomancer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac2129ef5fdf251bf2f505b526ba359c132bd114a986c8be04fd0d2c4b00a04
[INFO] running `Command { std: "docker" "start" "-a" "2ac2129ef5fdf251bf2f505b526ba359c132bd114a986c8be04fd0d2c4b00a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac2129ef5fdf251bf2f505b526ba359c132bd114a986c8be04fd0d2c4b00a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac2129ef5fdf251bf2f505b526ba359c132bd114a986c8be04fd0d2c4b00a04", kill_on_drop: false }`
[INFO] [stdout] 2ac2129ef5fdf251bf2f505b526ba359c132bd114a986c8be04fd0d2c4b00a04
[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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 841acdb98b8c3c315d11aa88a77218c25064ba1899b7d7d57abc2ef604fc1c3d
[INFO] running `Command { std: "docker" "start" "-a" "841acdb98b8c3c315d11aa88a77218c25064ba1899b7d7d57abc2ef604fc1c3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking bswap v1.0.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking sha v1.0.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=290adf5f15dd4dc4 -C extra-filename=-290adf5f15dd4dc4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "841acdb98b8c3c315d11aa88a77218c25064ba1899b7d7d57abc2ef604fc1c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841acdb98b8c3c315d11aa88a77218c25064ba1899b7d7d57abc2ef604fc1c3d", kill_on_drop: false }`
[INFO] [stdout] 841acdb98b8c3c315d11aa88a77218c25064ba1899b7d7d57abc2ef604fc1c3d
