[INFO] cloning repository https://github.com/AI1379/digit-recognition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AI1379/digit-recognition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAI1379%2Fdigit-recognition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAI1379%2Fdigit-recognition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76ef5a06616bc796a4952aeea6daabc0ff794463
[INFO] checking AI1379/digit-recognition against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAI1379%2Fdigit-recognition" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AI1379/digit-recognition
[INFO] finished tweaking git repo https://github.com/AI1379/digit-recognition
[INFO] tweaked toml for git repo https://github.com/AI1379/digit-recognition written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AI1379/digit-recognition on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AI1379/digit-recognition 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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.4
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.9
[INFO] [stderr]   Downloaded cc v1.2.15
[INFO] [stderr]   Downloaded curl v0.4.47
[INFO] [stderr]   Downloaded portable-atomic v1.11.0
[INFO] [stderr]   Downloaded ndarray v0.16.1
[INFO] [stderr]   Downloaded libz-sys v1.1.22
[INFO] [stderr]   Downloaded curl-sys v0.4.80+curl-8.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec15adb4bccf453e0831721dc240b3c1fd70aae17d35ed259271985b8e7e703e
[INFO] running `Command { std: "docker" "start" "-a" "ec15adb4bccf453e0831721dc240b3c1fd70aae17d35ed259271985b8e7e703e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec15adb4bccf453e0831721dc240b3c1fd70aae17d35ed259271985b8e7e703e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec15adb4bccf453e0831721dc240b3c1fd70aae17d35ed259271985b8e7e703e", kill_on_drop: false }`
[INFO] [stdout] ec15adb4bccf453e0831721dc240b3c1fd70aae17d35ed259271985b8e7e703e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a49b7981cc23dc1dc16adefd759c1b981486d714bd1493bdfbe89313547815
[INFO] running `Command { std: "docker" "start" "-a" "37a49b7981cc23dc1dc16adefd759c1b981486d714bd1493bdfbe89313547815", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.105
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling curl-sys v0.4.80+curl-8.12.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking mnist v0.6.0
[INFO] [stderr]     Checking digit-recognition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "37a49b7981cc23dc1dc16adefd759c1b981486d714bd1493bdfbe89313547815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a49b7981cc23dc1dc16adefd759c1b981486d714bd1493bdfbe89313547815", kill_on_drop: false }`
[INFO] [stdout] 37a49b7981cc23dc1dc16adefd759c1b981486d714bd1493bdfbe89313547815
