[INFO] cloning repository https://github.com/shockham/contours
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/contours" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fee8aefd790d12ea6ecb50355447f548840a413
[INFO] checking shockham/contours against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcontours" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/contours on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/contours
[INFO] finished tweaking git repo https://github.com/shockham/contours
[INFO] tweaked toml for git repo https://github.com/shockham/contours written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/contours already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/shockham/caper`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-macros v0.1.1
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[INFO] [stderr]   Downloaded libc v0.2.98
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[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded noise v0.6.0
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded genmesh v0.6.2
[INFO] [stderr]   Downloaded const_fn v0.4.8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e9e5d6d03b5e98b295fac55a97f7ccb04593b9fd4a10fbe382f4c353fe0d242
[INFO] running `Command { std: "docker" "start" "-a" "6e9e5d6d03b5e98b295fac55a97f7ccb04593b9fd4a10fbe382f4c353fe0d242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9e5d6d03b5e98b295fac55a97f7ccb04593b9fd4a10fbe382f4c353fe0d242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9e5d6d03b5e98b295fac55a97f7ccb04593b9fd4a10fbe382f4c353fe0d242", kill_on_drop: false }`
[INFO] [stdout] 6e9e5d6d03b5e98b295fac55a97f7ccb04593b9fd4a10fbe382f4c353fe0d242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c67fdd690b4922b8ea13e14281fc019adb3fa81f135b6c99abe96d60177c0ae9
[INFO] running `Command { std: "docker" "start" "-a" "c67fdd690b4922b8ea13e14281fc019adb3fa81f135b6c99abe96d60177c0ae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
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[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]     Checking line_drawing v0.7.0
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[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]     Checking crossbeam-channel v0.5.1
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking approx v0.1.1
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[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling glium v0.26.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling imgui-sys v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]     Checking slice-deque v0.3.0
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[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking cgmath v0.14.1
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[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking num-rational v0.1.42
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[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking enum_primitive v0.1.1
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[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking png v0.16.8
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[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]     Checking glium_text_rusttype v0.3.3
[INFO] [stderr]     Checking imgui-glium-renderer v0.3.0
[INFO] [stderr]     Checking caper v0.13.0 (https://github.com/shockham/caper#4fd90ecb)
[INFO] [stderr]     Checking contours v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "c67fdd690b4922b8ea13e14281fc019adb3fa81f135b6c99abe96d60177c0ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67fdd690b4922b8ea13e14281fc019adb3fa81f135b6c99abe96d60177c0ae9", kill_on_drop: false }`
[INFO] [stdout] c67fdd690b4922b8ea13e14281fc019adb3fa81f135b6c99abe96d60177c0ae9