[INFO] cloning repository https://github.com/RoyShulman/rusty-grad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RoyShulman/rusty-grad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoyShulman%2Frusty-grad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoyShulman%2Frusty-grad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d596b4f4e5aa9ba2499c1c94265724ee8d5f9be
[INFO] checking RoyShulman/rusty-grad against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoyShulman%2Frusty-grad" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RoyShulman/rusty-grad on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RoyShulman/rusty-grad
[INFO] finished tweaking git repo https://github.com/RoyShulman/rusty-grad
[INFO] tweaked toml for git repo https://github.com/RoyShulman/rusty-grad written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RoyShulman/rusty-grad 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" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee36f8896dde66ed0309f1790b741f62dd8f1c35e649bbabd9e9c5f5d1ffafa
[INFO] running `Command { std: "docker" "start" "-a" "7ee36f8896dde66ed0309f1790b741f62dd8f1c35e649bbabd9e9c5f5d1ffafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee36f8896dde66ed0309f1790b741f62dd8f1c35e649bbabd9e9c5f5d1ffafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee36f8896dde66ed0309f1790b741f62dd8f1c35e649bbabd9e9c5f5d1ffafa", kill_on_drop: false }`
[INFO] [stdout] 7ee36f8896dde66ed0309f1790b741f62dd8f1c35e649bbabd9e9c5f5d1ffafa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c452af5b37b43706935b7426ddc1d3d52401d619ec5610fda158fee4a24b322c
[INFO] running `Command { std: "docker" "start" "-a" "c452af5b37b43706935b7426ddc1d3d52401d619ec5610fda158fee4a24b322c", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking png v0.17.6
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking openssl-sys v0.9.75
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking plotters-bitmap v0.3.2
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking openssl v0.10.41
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling pest v2.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]     Checking native-tls v0.2.10
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking rusty-grad v0.1.0 (/opt/rustwide/workdir/rusty-grad)
[INFO] [stderr]     Checking binary_classifier v0.1.0 (/opt/rustwide/workdir/examples/binary_classifier)
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking mnist v0.1.0 (/opt/rustwide/workdir/examples/mnist)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.11s
[INFO] running `Command { std: "docker" "inspect" "c452af5b37b43706935b7426ddc1d3d52401d619ec5610fda158fee4a24b322c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c452af5b37b43706935b7426ddc1d3d52401d619ec5610fda158fee4a24b322c", kill_on_drop: false }`
[INFO] [stdout] c452af5b37b43706935b7426ddc1d3d52401d619ec5610fda158fee4a24b322c