[INFO] cloning repository https://github.com/matze/iridium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matze/iridium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Firidium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Firidium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ce8cfe8a731e458bb1e3a3db184fd473e46757c
[INFO] checking matze/iridium against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Firidium" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matze/iridium on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matze/iridium
[INFO] finished tweaking git repo https://github.com/matze/iridium
[INFO] tweaked toml for git repo https://github.com/matze/iridium written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/matze/iridium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d7d3ff020198f28b1ae03fdbc2c3735652e53bab5ae5ed61dc3fcb4f4cbd2d
[INFO] running `Command { std: "docker" "start" "-a" "a5d7d3ff020198f28b1ae03fdbc2c3735652e53bab5ae5ed61dc3fcb4f4cbd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d7d3ff020198f28b1ae03fdbc2c3735652e53bab5ae5ed61dc3fcb4f4cbd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d7d3ff020198f28b1ae03fdbc2c3735652e53bab5ae5ed61dc3fcb4f4cbd2d", kill_on_drop: false }`
[INFO] [stdout] a5d7d3ff020198f28b1ae03fdbc2c3735652e53bab5ae5ed61dc3fcb4f4cbd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9295920df8be4d0d78267d3c1ed5fea70d23817bdac30af82af6ea1d5e281f
[INFO] running `Command { std: "docker" "start" "-a" "2d9295920df8be4d0d78267d3c1ed5fea70d23817bdac30af82af6ea1d5e281f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]    Compiling cairo-rs v0.9.0
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling iridium v0.2.0 (/opt/rustwide/workdir/shell)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling gtk v0.9.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.54/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4d5bebf24ed95d76 -C extra-filename=-4d5bebf24ed95d76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d9295920df8be4d0d78267d3c1ed5fea70d23817bdac30af82af6ea1d5e281f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9295920df8be4d0d78267d3c1ed5fea70d23817bdac30af82af6ea1d5e281f", kill_on_drop: false }`
[INFO] [stdout] 2d9295920df8be4d0d78267d3c1ed5fea70d23817bdac30af82af6ea1d5e281f