[INFO] cloning repository https://github.com/jam1garner/find-arc-orphans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jam1garner/find-arc-orphans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Ffind-arc-orphans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Ffind-arc-orphans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f25e6c5dc5616de29c194e3399493e5c5fce3ed7
[INFO] testing jam1garner/find-arc-orphans against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Ffind-arc-orphans" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  65% (15/23)
Updating files:  69% (16/23)
Updating files:  73% (17/23)
Updating files:  78% (18/23)
Updating files:  82% (19/23)
Updating files:  86% (20/23)
Updating files:  91% (21/23)
Updating files:  95% (22/23)
Updating files: 100% (23/23)
Updating files: 100% (23/23), done.
[INFO] validating manifest of git repo https://github.com/jam1garner/find-arc-orphans on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jam1garner/find-arc-orphans
[INFO] finished tweaking git repo https://github.com/jam1garner/find-arc-orphans
[INFO] tweaked toml for git repo https://github.com/jam1garner/find-arc-orphans written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jam1garner/find-arc-orphans 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25d992801b9f512c180b92f2b217fcb1291c3650dddb52766c46126aa4b88e6f
[INFO] running `Command { std: "docker" "start" "-a" "25d992801b9f512c180b92f2b217fcb1291c3650dddb52766c46126aa4b88e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d992801b9f512c180b92f2b217fcb1291c3650dddb52766c46126aa4b88e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d992801b9f512c180b92f2b217fcb1291c3650dddb52766c46126aa4b88e6f", kill_on_drop: false }`
[INFO] [stdout] 25d992801b9f512c180b92f2b217fcb1291c3650dddb52766c46126aa4b88e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc1d6aaa234435428003921543cd8dad999dd7744ffab2260a5dfdef91d0db4
[INFO] running `Command { std: "docker" "start" "-a" "bfc1d6aaa234435428003921543cd8dad999dd7744ffab2260a5dfdef91d0db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling cached v0.11.0
[INFO] [stderr]    Compiling timeit v0.1.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling zstd-sys v1.4.10+zstd.1.4.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=cf45b2039e94c5f5 -C extra-filename=-cf45b2039e94c5f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f749ead4c488b32b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-717db1cdb9e41082.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bfc1d6aaa234435428003921543cd8dad999dd7744ffab2260a5dfdef91d0db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc1d6aaa234435428003921543cd8dad999dd7744ffab2260a5dfdef91d0db4", kill_on_drop: false }`
[INFO] [stdout] bfc1d6aaa234435428003921543cd8dad999dd7744ffab2260a5dfdef91d0db4