[INFO] fetching crate cogent 0.5.9...
[INFO] checking cogent-0.5.9 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate cogent 0.5.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cogent 0.5.9 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cogent 0.5.9
[INFO] finished tweaking crates.io crate cogent 0.5.9
[INFO] tweaked toml for crates.io crate cogent 0.5.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded mio v0.7.4
[INFO] [stderr]   Downloaded arrayfire v3.7.2
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] 2d5f8095c85ed79d72b737ee687f089b246d8c68a77b349c93e717668234f4c1
[INFO] running `Command { std: "docker" "start" "-a" "2d5f8095c85ed79d72b737ee687f089b246d8c68a77b349c93e717668234f4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5f8095c85ed79d72b737ee687f089b246d8c68a77b349c93e717668234f4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5f8095c85ed79d72b737ee687f089b246d8c68a77b349c93e717668234f4c1", kill_on_drop: false }`
[INFO] [stdout] 2d5f8095c85ed79d72b737ee687f089b246d8c68a77b349c93e717668234f4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] 3f301f57293b0312ca49e417d26eb052529a1d0f9ae7ff05ce7e3596b6d254da
[INFO] running `Command { std: "docker" "start" "-a" "3f301f57293b0312ca49e417d26eb052529a1d0f9ae7ff05ce7e3596b6d254da", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling arrayfire v3.7.2
[INFO] [stderr]     Checking cogent v0.5.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.33s
[INFO] running `Command { std: "docker" "inspect" "3f301f57293b0312ca49e417d26eb052529a1d0f9ae7ff05ce7e3596b6d254da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f301f57293b0312ca49e417d26eb052529a1d0f9ae7ff05ce7e3596b6d254da", kill_on_drop: false }`
[INFO] [stdout] 3f301f57293b0312ca49e417d26eb052529a1d0f9ae7ff05ce7e3596b6d254da