[INFO] cloning repository https://github.com/ConnorSkees/grass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorSkees/grass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fgrass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fgrass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 884b92f47697bda0d32f58c7fbadb4fff75dab10
[INFO] testing ConnorSkees/grass against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fgrass" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/grass on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnorSkees/grass
[INFO] finished tweaking git repo https://github.com/ConnorSkees/grass
[INFO] tweaked toml for git repo https://github.com/ConnorSkees/grass written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a812784046092658a1be9675fc495b75c79e9f707bf96f6a7eb5c2ab3298b047
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a812784046092658a1be9675fc495b75c79e9f707bf96f6a7eb5c2ab3298b047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a812784046092658a1be9675fc495b75c79e9f707bf96f6a7eb5c2ab3298b047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a812784046092658a1be9675fc495b75c79e9f707bf96f6a7eb5c2ab3298b047", kill_on_drop: false }`
[INFO] [stdout] a812784046092658a1be9675fc495b75c79e9f707bf96f6a7eb5c2ab3298b047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f27f66309734522c5d98593e638f92a717aa7ce70c4e5433ae1162aa75e8f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1f27f66309734522c5d98593e638f92a717aa7ce70c4e5433ae1162aa75e8f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling peekmore v0.5.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling lasso v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling grass v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "d1f27f66309734522c5d98593e638f92a717aa7ce70c4e5433ae1162aa75e8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f27f66309734522c5d98593e638f92a717aa7ce70c4e5433ae1162aa75e8f1", kill_on_drop: false }`
[INFO] [stdout] d1f27f66309734522c5d98593e638f92a717aa7ce70c4e5433ae1162aa75e8f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e401d7345a0e6ea183bc756defa60e8541fd304fce1abbc26cce234af9ec830
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e401d7345a0e6ea183bc756defa60e8541fd304fce1abbc26cce234af9ec830", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling grass v0.10.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `grass`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name units --edition=2018 tests/units.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="clap"' --cfg 'feature="commandline"' --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="random"' -C metadata=1cfd6498ed686b9a -C extra-filename=-1cfd6498ed686b9a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern beef=/opt/rustwide/target/debug/deps/libbeef-4a7cd355a004e90d.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-9899065a67510b7b.rlib --extern codemap=/opt/rustwide/target/debug/deps/libcodemap-641e8856a9100135.rlib --extern grass=/opt/rustwide/target/debug/deps/libgrass-f4c8928bd9c2595b.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-3dd876032f725985.rlib --extern lasso=/opt/rustwide/target/debug/deps/liblasso-10296b0e65176299.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-41c591139ed506d7.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-00d5be0ab4379d5a.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-32d831a972ab1962.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-62320d34456765ca.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-f34acc9c676bf67b.so --extern peekmore=/opt/rustwide/target/debug/deps/libpeekmore-26ecd9e3151d78bd.rlib --extern phf=/opt/rustwide/target/debug/deps/libphf-5b27d8fc0cb3c75c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-73f5cd2886df7113.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-3044ae538a11df60.rlib --cap-lints=forbid` (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" "2e401d7345a0e6ea183bc756defa60e8541fd304fce1abbc26cce234af9ec830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e401d7345a0e6ea183bc756defa60e8541fd304fce1abbc26cce234af9ec830", kill_on_drop: false }`
[INFO] [stdout] 2e401d7345a0e6ea183bc756defa60e8541fd304fce1abbc26cce234af9ec830