[INFO] cloning repository https://github.com/victorinno/contador_palavras
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorinno/contador_palavras" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Fcontador_palavras", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Fcontador_palavras'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bed9b2ca54ee37aa4cedecb6df7df467177baf1
[INFO] checking victorinno/contador_palavras against master#e3c43e64eceb00e13b1932229aa9b2d774e6af96 for pr-95953
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Fcontador_palavras" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorinno/contador_palavras on toolchain e3c43e64eceb00e13b1932229aa9b2d774e6af96
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/victorinno/contador_palavras
[INFO] finished tweaking git repo https://github.com/victorinno/contador_palavras
[INFO] tweaked toml for git repo https://github.com/victorinno/contador_palavras written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/victorinno/contador_palavras already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "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 euclid v0.20.14
[INFO] [stderr]   Downloaded adobe-cmap-parser v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded postscript v0.11.1
[INFO] [stderr]   Downloaded backtrace v0.3.51
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded pom v3.2.0
[INFO] [stderr]   Downloaded lopdf v0.24.0
[INFO] [stderr]   Downloaded type1-encoding-parser v0.1.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded pdf-extract v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4828f9d638ee054d81ee982dda11ec54a983cb9aa5bf7f0536ac1912b22f9b0f
[INFO] running `Command { std: "docker" "start" "-a" "4828f9d638ee054d81ee982dda11ec54a983cb9aa5bf7f0536ac1912b22f9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4828f9d638ee054d81ee982dda11ec54a983cb9aa5bf7f0536ac1912b22f9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4828f9d638ee054d81ee982dda11ec54a983cb9aa5bf7f0536ac1912b22f9b0f", kill_on_drop: false }`
[INFO] [stdout] 4828f9d638ee054d81ee982dda11ec54a983cb9aa5bf7f0536ac1912b22f9b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe6695cc75e8263df1e45c348ebae3c2ec6363b9a653762cd87ce5aeaa1e086
[INFO] running `Command { std: "docker" "start" "-a" "cfe6695cc75e8263df1e45c348ebae3c2ec6363b9a653762cd87ce5aeaa1e086", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking pom v3.2.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.116/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=53b7bf2268e480dd -C extra-filename=-53b7bf2268e480dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=dc17503f11bd0b3d -C extra-filename=-dc17503f11bd0b3d --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] running `Command { std: "docker" "inspect" "cfe6695cc75e8263df1e45c348ebae3c2ec6363b9a653762cd87ce5aeaa1e086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe6695cc75e8263df1e45c348ebae3c2ec6363b9a653762cd87ce5aeaa1e086", kill_on_drop: false }`
[INFO] [stdout] cfe6695cc75e8263df1e45c348ebae3c2ec6363b9a653762cd87ce5aeaa1e086