[INFO] cloning repository https://github.com/nassredean/pixels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nassredean/pixels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnassredean%2Fpixels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnassredean%2Fpixels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79ae2c891e2740f34ba8bd0462f1bc5dec2b4514
[INFO] checking nassredean/pixels against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnassredean%2Fpixels" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nassredean/pixels
[INFO] finished tweaking git repo https://github.com/nassredean/pixels
[INFO] tweaked toml for git repo https://github.com/nassredean/pixels written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nassredean/pixels on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nassredean/pixels 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zune-inflate v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb
[INFO] running `Command { std: "docker" "start" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking zune-inflate v0.2.51
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb", kill_on_drop: false }`
[INFO] [stdout] ea955045c2d36dfb9c633cedbdf75d63c8a00cdf31106aeaa511848b207d6bcb
