[INFO] cloning repository https://github.com/ben-stringer/cos701
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-stringer/cos701" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b88b35d95a5969ab456ab3ade3d0e41d0540113c
[INFO] checking ben-stringer/cos701 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ben-stringer/cos701 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ben-stringer/cos701
[INFO] finished tweaking git repo https://github.com/ben-stringer/cos701
[INFO] tweaked toml for git repo https://github.com/ben-stringer/cos701 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ben-stringer/cos701 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b27e10ae3de18fc273b6d750e70dfeb87ceb316ab3d53a4113dfcd7940fbca4d
[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" "b27e10ae3de18fc273b6d750e70dfeb87ceb316ab3d53a4113dfcd7940fbca4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b27e10ae3de18fc273b6d750e70dfeb87ceb316ab3d53a4113dfcd7940fbca4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27e10ae3de18fc273b6d750e70dfeb87ceb316ab3d53a4113dfcd7940fbca4d", kill_on_drop: false }`
[INFO] [stdout] b27e10ae3de18fc273b6d750e70dfeb87ceb316ab3d53a4113dfcd7940fbca4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c4222401149b045cb0697cbd69a09fb8ed5d48a6703297980628e3957211ea
[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" "87c4222401149b045cb0697cbd69a09fb8ed5d48a6703297980628e3957211ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking delaunator v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking libc v0.2.86
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking voronoi v0.1.4
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking cos_701 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.93s
[INFO] running `Command { std: "docker" "inspect" "87c4222401149b045cb0697cbd69a09fb8ed5d48a6703297980628e3957211ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c4222401149b045cb0697cbd69a09fb8ed5d48a6703297980628e3957211ea", kill_on_drop: false }`
[INFO] [stdout] 87c4222401149b045cb0697cbd69a09fb8ed5d48a6703297980628e3957211ea