[INFO] cloning repository https://github.com/yaowenqiang/rustsevendays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaowenqiang/rustsevendays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9f7b7b6d6da58b83e0069762c538a8eaff89bb7
[INFO] checking yaowenqiang/rustsevendays against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Frustsevendays" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaowenqiang/rustsevendays on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaowenqiang/rustsevendays
[INFO] finished tweaking git repo https://github.com/yaowenqiang/rustsevendays
[INFO] tweaked toml for git repo https://github.com/yaowenqiang/rustsevendays written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/yaowenqiang/rustsevendays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 189fe3b9a85efdf5afc934c4befc38ffd288b6927861476a54124b4567e5fbad
[INFO] running `Command { std: "docker" "start" "-a" "189fe3b9a85efdf5afc934c4befc38ffd288b6927861476a54124b4567e5fbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189fe3b9a85efdf5afc934c4befc38ffd288b6927861476a54124b4567e5fbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189fe3b9a85efdf5afc934c4befc38ffd288b6927861476a54124b4567e5fbad", kill_on_drop: false }`
[INFO] [stdout] 189fe3b9a85efdf5afc934c4befc38ffd288b6927861476a54124b4567e5fbad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5256aad10451425e69eaf3ad62e48452acd7aae54be4f5235772bc85a678a185
[INFO] running `Command { std: "docker" "start" "-a" "5256aad10451425e69eaf3ad62e48452acd7aae54be4f5235772bc85a678a185", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling winreg v0.10.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking tau v1.0.4
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stdout] error[E0463]: can't find crate for `rustc_serialize`
[INFO] [stdout]  --> day4/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rustc_serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr] error: could not compile `day4` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_serialize`
[INFO] [stdout]  --> day4/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rustc_serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5256aad10451425e69eaf3ad62e48452acd7aae54be4f5235772bc85a678a185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5256aad10451425e69eaf3ad62e48452acd7aae54be4f5235772bc85a678a185", kill_on_drop: false }`
[INFO] [stdout] 5256aad10451425e69eaf3ad62e48452acd7aae54be4f5235772bc85a678a185