[INFO] cloning repository https://github.com/althea-net/dev_slice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/althea-net/dev_slice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-net%2Fdev_slice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-net%2Fdev_slice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec9e69e742f50e71edd7194a53553eafade7552c
[INFO] checking althea-net/dev_slice against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-net%2Fdev_slice" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/althea-net/dev_slice on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/althea-net/dev_slice
[INFO] finished tweaking git repo https://github.com/althea-net/dev_slice
[INFO] tweaked toml for git repo https://github.com/althea-net/dev_slice written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/althea-net/dev_slice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font-loader v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.48
[INFO] [stderr]   Downloaded web-sys v0.3.25
[INFO] [stderr]   Downloaded core-text v10.0.0
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded plotters v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 64b57947d5fc1c5f25ef3b79c41461202853eb594706e5aa64c44a3517caebe7
[INFO] running `Command { std: "docker" "start" "-a" "64b57947d5fc1c5f25ef3b79c41461202853eb594706e5aa64c44a3517caebe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b57947d5fc1c5f25ef3b79c41461202853eb594706e5aa64c44a3517caebe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b57947d5fc1c5f25ef3b79c41461202853eb594706e5aa64c44a3517caebe7", kill_on_drop: false }`
[INFO] [stdout] 64b57947d5fc1c5f25ef3b79c41461202853eb594706e5aa64c44a3517caebe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 34e0f14a6dc7faba288e240cfc541462db30de509ab5baaffadf0284d6f2422e
[INFO] running `Command { std: "docker" "start" "-a" "34e0f14a6dc7faba288e240cfc541462db30de509ab5baaffadf0284d6f2422e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking font-loader v0.8.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking plotters v0.2.2
[INFO] [stderr]     Checking dev_slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.09s
[INFO] running `Command { std: "docker" "inspect" "34e0f14a6dc7faba288e240cfc541462db30de509ab5baaffadf0284d6f2422e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e0f14a6dc7faba288e240cfc541462db30de509ab5baaffadf0284d6f2422e", kill_on_drop: false }`
[INFO] [stdout] 34e0f14a6dc7faba288e240cfc541462db30de509ab5baaffadf0284d6f2422e