[INFO] fetching crate tract-core 0.12.5...
[INFO] checking tract-core-0.12.5 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate tract-core 0.12.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tract-core 0.12.5 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tract-core 0.12.5
[INFO] finished tweaking crates.io crate tract-core 0.12.5
[INFO] tweaked toml for crates.io crate tract-core 0.12.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86b14131591829c163f6854a85ae488cc86872c77ef210018e43ab3509698d6b
[INFO] running `Command { std: "docker" "start" "-a" "86b14131591829c163f6854a85ae488cc86872c77ef210018e43ab3509698d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b14131591829c163f6854a85ae488cc86872c77ef210018e43ab3509698d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b14131591829c163f6854a85ae488cc86872c77ef210018e43ab3509698d6b", kill_on_drop: false }`
[INFO] [stdout] 86b14131591829c163f6854a85ae488cc86872c77ef210018e43ab3509698d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa17aa34d39b6572cbb1653abafa7e3c96f798309cb16e569bac85e96da4a649
[INFO] running `Command { std: "docker" "start" "-a" "fa17aa34d39b6572cbb1653abafa7e3c96f798309cb16e569bac85e96da4a649", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling liquid-derive v0.21.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling educe v0.4.11
[INFO] [stderr]     Checking tract-data v0.12.5
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling kstring v1.0.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]    Compiling liquid-core v0.21.2
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling liquid-lib v0.21.1
[INFO] [stderr]    Compiling liquid v0.21.4
[INFO] [stderr]    Compiling tract-linalg v0.12.5
[INFO] [stderr]     Checking tract-core v0.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "fa17aa34d39b6572cbb1653abafa7e3c96f798309cb16e569bac85e96da4a649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa17aa34d39b6572cbb1653abafa7e3c96f798309cb16e569bac85e96da4a649", kill_on_drop: false }`
[INFO] [stdout] fa17aa34d39b6572cbb1653abafa7e3c96f798309cb16e569bac85e96da4a649