[INFO] cloning repository https://github.com/fbucek/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbucek/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e6519936a7feebba6cd7b9148e88378b2c6b60
[INFO] checking fbucek/rust-learning against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fbucek/rust-learning 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/fbucek/rust-learning
[INFO] finished tweaking git repo https://github.com/fbucek/rust-learning
[INFO] tweaked toml for git repo https://github.com/fbucek/rust-learning written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/fbucek/rust-learning 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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 480a7abd29581d5fa44c52aad3e626290d353ac817fc779692e7e8643c372ddd
[INFO] running `Command { std: "docker" "start" "-a" "480a7abd29581d5fa44c52aad3e626290d353ac817fc779692e7e8643c372ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "480a7abd29581d5fa44c52aad3e626290d353ac817fc779692e7e8643c372ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480a7abd29581d5fa44c52aad3e626290d353ac817fc779692e7e8643c372ddd", kill_on_drop: false }`
[INFO] [stdout] 480a7abd29581d5fa44c52aad3e626290d353ac817fc779692e7e8643c372ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] cea173bc1e8e4bd0c2ad3c1064da69a1ab86aa6549066023dd9472ac7504ae84
[INFO] running `Command { std: "docker" "start" "-a" "cea173bc1e8e4bd0c2ad3c1064da69a1ab86aa6549066023dd9472ac7504ae84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]     Checking smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers)
[INFO] [stderr]     Checking testing v0.1.0 (/opt/rustwide/workdir/testing)
[INFO] [stderr]     Checking Test v0.1.0 (/opt/rustwide/workdir/person)
[INFO] [stderr]     Checking loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stderr]     Checking hasmap v0.1.0 (/opt/rustwide/workdir/hashmap)
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stderr]     Checking autotests v0.1.0 (/opt/rustwide/workdir/autotests)
[INFO] [stderr]     Checking reference-cycle v0.1.0 (/opt/rustwide/workdir/reference-cycle)
[INFO] [stderr]     Checking error v0.1.0 (/opt/rustwide/workdir/error)
[INFO] [stderr]     Checking closures v0.1.0 (/opt/rustwide/workdir/closures)
[INFO] [stderr]     Checking generic-types v0.1.0 (/opt/rustwide/workdir/generic-types)
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stderr]     Checking lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes)
[INFO] [stderr]     Checking vecmacro v0.1.0 (/opt/rustwide/workdir/vecmacro)
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]     Checking coins v0.1.0 (/opt/rustwide/workdir/coins)
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]    Compiling unicase v2.6.0
[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-1.0.50/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=b02acef3041fd979 -C extra-filename=-b02acef3041fd979 --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" "cea173bc1e8e4bd0c2ad3c1064da69a1ab86aa6549066023dd9472ac7504ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea173bc1e8e4bd0c2ad3c1064da69a1ab86aa6549066023dd9472ac7504ae84", kill_on_drop: false }`
[INFO] [stdout] cea173bc1e8e4bd0c2ad3c1064da69a1ab86aa6549066023dd9472ac7504ae84