[INFO] cloning repository https://github.com/chujDK/my-rs-conway-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chujDK/my-rs-conway-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchujDK%2Fmy-rs-conway-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchujDK%2Fmy-rs-conway-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b1bfee94f9ea40805ee51a1b36ffc32c677c47
[INFO] checking chujDK/my-rs-conway-life against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FchujDK%2Fmy-rs-conway-life" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chujDK/my-rs-conway-life on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chujDK/my-rs-conway-life
[INFO] finished tweaking git repo https://github.com/chujDK/my-rs-conway-life
[INFO] tweaked toml for git repo https://github.com/chujDK/my-rs-conway-life written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chujDK/my-rs-conway-life 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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aad645ae80a29eb994cf7d66d944dbb9e3d5b6e833a037e276ff6077b4c0ad0a
[INFO] running `Command { std: "docker" "start" "-a" "aad645ae80a29eb994cf7d66d944dbb9e3d5b6e833a037e276ff6077b4c0ad0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad645ae80a29eb994cf7d66d944dbb9e3d5b6e833a037e276ff6077b4c0ad0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad645ae80a29eb994cf7d66d944dbb9e3d5b6e833a037e276ff6077b4c0ad0a", kill_on_drop: false }`
[INFO] [stdout] aad645ae80a29eb994cf7d66d944dbb9e3d5b6e833a037e276ff6077b4c0ad0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a448ae39d26e7afb40ac19e74b503d5053f3cb1b08bcee8f5fc3aaffb7f0f68c
[INFO] running `Command { std: "docker" "start" "-a" "a448ae39d26e7afb40ac19e74b503d5053f3cb1b08bcee8f5fc3aaffb7f0f68c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 bit-vec v0.6.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking hexf-parse v0.2.1
[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]    Compiling cfg_aliases v0.1.1
[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" "a448ae39d26e7afb40ac19e74b503d5053f3cb1b08bcee8f5fc3aaffb7f0f68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a448ae39d26e7afb40ac19e74b503d5053f3cb1b08bcee8f5fc3aaffb7f0f68c", kill_on_drop: false }`
[INFO] [stdout] a448ae39d26e7afb40ac19e74b503d5053f3cb1b08bcee8f5fc3aaffb7f0f68c