[INFO] cloning repository https://github.com/retnuh/rusty_advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retnuh/rusty_advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretnuh%2Frusty_advent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretnuh%2Frusty_advent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd6ac56c9bfab8e1ef0b26d96890ea860fee57af
[INFO] checking retnuh/rusty_advent against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretnuh%2Frusty_advent" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/retnuh/rusty_advent on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/retnuh/rusty_advent
[INFO] finished tweaking git repo https://github.com/retnuh/rusty_advent
[INFO] tweaked toml for git repo https://github.com/retnuh/rusty_advent written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/retnuh/rusty_advent 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded io-lifetimes v1.0.7
[INFO] [stderr]   Downloaded openssl-sys v0.9.81
[INFO] [stderr]   Downloaded openssl v0.10.46
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6543fdfac4a457c7f4f3e4b830ab7bab069cd314a3d4c2a350b0fb388e0b0c5e
[INFO] running `Command { std: "docker" "start" "-a" "6543fdfac4a457c7f4f3e4b830ab7bab069cd314a3d4c2a350b0fb388e0b0c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6543fdfac4a457c7f4f3e4b830ab7bab069cd314a3d4c2a350b0fb388e0b0c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6543fdfac4a457c7f4f3e4b830ab7bab069cd314a3d4c2a350b0fb388e0b0c5e", kill_on_drop: false }`
[INFO] [stdout] 6543fdfac4a457c7f4f3e4b830ab7bab069cd314a3d4c2a350b0fb388e0b0c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee88e1de314625ea2011e3868c20c4177ea4660e054bd19501ed11fbd0e0148
[INFO] running `Command { std: "docker" "start" "-a" "bee88e1de314625ea2011e3868c20c4177ea4660e054bd19501ed11fbd0e0148", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling openssl v0.10.46
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.81
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bee88e1de314625ea2011e3868c20c4177ea4660e054bd19501ed11fbd0e0148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee88e1de314625ea2011e3868c20c4177ea4660e054bd19501ed11fbd0e0148", kill_on_drop: false }`
[INFO] [stdout] bee88e1de314625ea2011e3868c20c4177ea4660e054bd19501ed11fbd0e0148