[INFO] fetching crate gradescope-submit 0.1.3...
[INFO] checking gradescope-submit-0.1.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate gradescope-submit 0.1.3 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate gradescope-submit 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gradescope-submit 0.1.3
[INFO] finished tweaking crates.io crate gradescope-submit 0.1.3
[INFO] tweaked toml for crates.io crate gradescope-submit 0.1.3 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate gradescope-submit 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25b7e33743c688efc66b3d72de5dab2b72a271c8d12cef6b4f910a272ecc8bca
[INFO] running `Command { std: "docker" "start" "-a" "25b7e33743c688efc66b3d72de5dab2b72a271c8d12cef6b4f910a272ecc8bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b7e33743c688efc66b3d72de5dab2b72a271c8d12cef6b4f910a272ecc8bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b7e33743c688efc66b3d72de5dab2b72a271c8d12cef6b4f910a272ecc8bca", kill_on_drop: false }`
[INFO] [stdout] 25b7e33743c688efc66b3d72de5dab2b72a271c8d12cef6b4f910a272ecc8bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc77f3c1d8504bb1d3a15e48587045685bd3010cc28426b302c17d0347f196a4
[INFO] running `Command { std: "docker" "start" "-a" "dc77f3c1d8504bb1d3a15e48587045685bd3010cc28426b302c17d0347f196a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.6
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[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking ipnet v2.3.0
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[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
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[INFO] [stderr]     Checking tendril v0.4.1
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rpassword v0.4.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest-vcapra1-add-cookies v0.10.9
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking gradescope-submit v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.38s
[INFO] running `Command { std: "docker" "inspect" "dc77f3c1d8504bb1d3a15e48587045685bd3010cc28426b302c17d0347f196a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc77f3c1d8504bb1d3a15e48587045685bd3010cc28426b302c17d0347f196a4", kill_on_drop: false }`
[INFO] [stdout] dc77f3c1d8504bb1d3a15e48587045685bd3010cc28426b302c17d0347f196a4
