[INFO] fetching crate eyros 2.0.0...
[INFO] checking eyros-2.0.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate eyros 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate eyros 2.0.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eyros 2.0.0
[INFO] finished tweaking crates.io crate eyros 2.0.0
[INFO] tweaked toml for crates.io crate eyros 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate eyros 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded random-access-storage v3.0.0
[INFO] [stderr]   Downloaded desert v1.0.3
[INFO] [stderr]   Downloaded lru v0.1.17
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] [stderr]   Downloaded random-access-disk v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 355810258beb0bbcf22d257c4d320b8291f7e1923480a6db6b1ad9568ae73f3c
[INFO] running `Command { std: "docker" "start" "-a" "355810258beb0bbcf22d257c4d320b8291f7e1923480a6db6b1ad9568ae73f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "355810258beb0bbcf22d257c4d320b8291f7e1923480a6db6b1ad9568ae73f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355810258beb0bbcf22d257c4d320b8291f7e1923480a6db6b1ad9568ae73f3c", kill_on_drop: false }`
[INFO] [stdout] 355810258beb0bbcf22d257c4d320b8291f7e1923480a6db6b1ad9568ae73f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 793356be1b6132252a5a39a8683462dee1074bb4d3b294e54456c1c58e85101c
[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" "793356be1b6132252a5a39a8683462dee1074bb4d3b294e54456c1c58e85101c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking random-access-storage v3.0.0
[INFO] [stderr]     Checking desert v1.0.3
[INFO] [stderr]     Checking random-access-disk v1.0.0
[INFO] [stderr]     Checking eyros v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `eyros`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name eyros --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=43158e2845e4e602 -C extra-filename=-43158e2845e4e602 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern desert=/opt/rustwide/target/debug/deps/libdesert-48c152edd20c28e7.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ce69a7f033843557.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-70769be89c1c0466.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7b549494a64c0de6.rmeta --extern random_access_disk=/opt/rustwide/target/debug/deps/librandom_access_disk-4b9e7546099793a5.rmeta --extern random_access_storage=/opt/rustwide/target/debug/deps/librandom_access_storage-9147d9deb5bd9cd8.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-71b68ceb70236fb6/out` (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" "793356be1b6132252a5a39a8683462dee1074bb4d3b294e54456c1c58e85101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793356be1b6132252a5a39a8683462dee1074bb4d3b294e54456c1c58e85101c", kill_on_drop: false }`
[INFO] [stdout] 793356be1b6132252a5a39a8683462dee1074bb4d3b294e54456c1c58e85101c