[INFO] cloning repository https://github.com/mattlangl/rustchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattlangl/rustchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae9c1f4892eedaed773b75be9cf10b2ede9258b
[INFO] checking mattlangl/rustchain against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain" "/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/mattlangl/rustchain on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattlangl/rustchain
[INFO] finished tweaking git repo https://github.com/mattlangl/rustchain
[INFO] tweaked toml for git repo https://github.com/mattlangl/rustchain written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mattlangl/rustchain 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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 serdect v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.108
[INFO] [stderr] error: failed to unpack package `syn v1.0.108`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-1.0.108/src/lit.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.108/src/lit.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-1.0.108/src/lit.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.108/src/lit.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking mattlangl/rustchain against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: sha1 file '/workspace/builds/worker-5-tc2/source/.git/index.lock' write error. Out of diskspace
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking mattlangl/rustchain against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/types/hash.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking mattlangl/rustchain against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattlangl%2Frustchain" "/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/mattlangl/rustchain on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattlangl/rustchain
[INFO] finished tweaking git repo https://github.com/mattlangl/rustchain
[INFO] tweaked toml for git repo https://github.com/mattlangl/rustchain written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mattlangl/rustchain 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17dfae60484b4412e10f88f37b3ce13468b44a38a43d0a767a8d5fc17dc64514
[INFO] running `Command { std: "docker" "start" "-a" "17dfae60484b4412e10f88f37b3ce13468b44a38a43d0a767a8d5fc17dc64514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17dfae60484b4412e10f88f37b3ce13468b44a38a43d0a767a8d5fc17dc64514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dfae60484b4412e10f88f37b3ce13468b44a38a43d0a767a8d5fc17dc64514", kill_on_drop: false }`
[INFO] [stdout] 17dfae60484b4412e10f88f37b3ce13468b44a38a43d0a767a8d5fc17dc64514
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd64ef730ab79e2af4daa8730a85833980528dec1069479b405c9fb56e8a30f
[INFO] running `Command { std: "docker" "start" "-a" "0cd64ef730ab79e2af4daa8730a85833980528dec1069479b405c9fb56e8a30f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.108
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[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" "0cd64ef730ab79e2af4daa8730a85833980528dec1069479b405c9fb56e8a30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd64ef730ab79e2af4daa8730a85833980528dec1069479b405c9fb56e8a30f", kill_on_drop: false }`
[INFO] [stdout] 0cd64ef730ab79e2af4daa8730a85833980528dec1069479b405c9fb56e8a30f