[INFO] updating cached repository https://github.com/ConnorSkees/grass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/ConnorSkees/grass
[INFO] [stderr]    02efd09..f9455ca  faster-content -> faster-content
[INFO] [stderr]    3a5526a..f2cd745  master         -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2cd74528b7773a0dcaf19c4c7e43e1ba1eba5ea
[INFO] testing ConnorSkees/grass against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fgrass" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/grass on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lasso v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 424c74220e460f07b8ec69704ed3850c36b8a9dfb7e649c50140ea390e49df5c
[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" "424c74220e460f07b8ec69704ed3850c36b8a9dfb7e649c50140ea390e49df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "424c74220e460f07b8ec69704ed3850c36b8a9dfb7e649c50140ea390e49df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424c74220e460f07b8ec69704ed3850c36b8a9dfb7e649c50140ea390e49df5c", kill_on_drop: false }`
[INFO] [stdout] 424c74220e460f07b8ec69704ed3850c36b8a9dfb7e649c50140ea390e49df5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b570d39816657d383e3c4ba366c89a2c5f3a0537fb60baf6fdab82b89bacff4
[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" "7b570d39816657d383e3c4ba366c89a2c5f3a0537fb60baf6fdab82b89bacff4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling peekmore v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling lasso v0.3.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling grass v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.23s
[INFO] running `Command { std: "docker" "inspect" "7b570d39816657d383e3c4ba366c89a2c5f3a0537fb60baf6fdab82b89bacff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b570d39816657d383e3c4ba366c89a2c5f3a0537fb60baf6fdab82b89bacff4", kill_on_drop: false }`
[INFO] [stdout] 7b570d39816657d383e3c4ba366c89a2c5f3a0537fb60baf6fdab82b89bacff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec6ef415afac8b3c91329200867c9c8fe48f9b65823679bae9d309ab76a98c9
[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" "4ec6ef415afac8b3c91329200867c9c8fe48f9b65823679bae9d309ab76a98c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling grass v0.10.0 (/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 is_superselector --edition=2018 tests/is-superselector.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test --cfg 'feature="clap"' --cfg 'feature="commandline"' --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="random"' -C metadata=b7d807732ff5576e -C extra-filename=-b7d807732ff5576e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern beef=/opt/rustwide/target/debug/deps/libbeef-27464f341327b82e.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-ad4d6241e4410e2c.rlib --extern codemap=/opt/rustwide/target/debug/deps/libcodemap-91d85d090b4d2193.rlib --extern grass=/opt/rustwide/target/debug/deps/libgrass-77e7e0e4b7199dec.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-680700b7101951bc.rlib --extern lasso=/opt/rustwide/target/debug/deps/liblasso-dbdb9301329e2e0c.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-690fba0c7f564fd3.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-c55e6fc4088766de.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c6af468fba1f84b0.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f47bfe3107dba226.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-36db2493aca31bcb.rlib --extern peekmore=/opt/rustwide/target/debug/deps/libpeekmore-323d4579dc5d2154.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-33ae2e870d29b0d8.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e52b557724080e65.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" "4ec6ef415afac8b3c91329200867c9c8fe48f9b65823679bae9d309ab76a98c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec6ef415afac8b3c91329200867c9c8fe48f9b65823679bae9d309ab76a98c9", kill_on_drop: false }`
[INFO] [stdout] 4ec6ef415afac8b3c91329200867c9c8fe48f9b65823679bae9d309ab76a98c9