[INFO] cloning repository https://github.com/andir/nix-update-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andir/nix-update-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fnix-update-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fnix-update-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb6399888546211a073a35e26ddb5af5ca994ce1
[INFO] checking andir/nix-update-tracker against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fnix-update-tracker" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andir/nix-update-tracker on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andir/nix-update-tracker
[INFO] finished tweaking git repo https://github.com/andir/nix-update-tracker
[INFO] tweaked toml for git repo https://github.com/andir/nix-update-tracker written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/andir/nix-update-tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 brotli-decompressor v1.3.1
[INFO] [stderr]   Downloaded alphanumeric-sort v1.0.12
[INFO] [stderr]   Downloaded alloc-no-stdlib v1.3.0
[INFO] [stderr]   Downloaded brotli v2.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f463011c0b35c8edb8a7386e24a5a2b04395f3ea9098747b793971a85ebd441
[INFO] running `Command { std: "docker" "start" "-a" "9f463011c0b35c8edb8a7386e24a5a2b04395f3ea9098747b793971a85ebd441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f463011c0b35c8edb8a7386e24a5a2b04395f3ea9098747b793971a85ebd441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f463011c0b35c8edb8a7386e24a5a2b04395f3ea9098747b793971a85ebd441", kill_on_drop: false }`
[INFO] [stdout] 9f463011c0b35c8edb8a7386e24a5a2b04395f3ea9098747b793971a85ebd441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f162a3fd063742b2b2705a2d1f17396a9fce7b0a3bdccdec60c62b0cb40dd8
[INFO] running `Command { std: "docker" "start" "-a" "f3f162a3fd063742b2b2705a2d1f17396a9fce7b0a3bdccdec60c62b0cb40dd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking alloc-no-stdlib v1.3.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking horrorshow v0.6.6
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking alphanumeric-sort v1.0.12
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking ryu v1.0.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking threadpool v1.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=32be3be563f85566 -C extra-filename=-32be3be563f85566 --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" "f3f162a3fd063742b2b2705a2d1f17396a9fce7b0a3bdccdec60c62b0cb40dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f162a3fd063742b2b2705a2d1f17396a9fce7b0a3bdccdec60c62b0cb40dd8", kill_on_drop: false }`
[INFO] [stdout] f3f162a3fd063742b2b2705a2d1f17396a9fce7b0a3bdccdec60c62b0cb40dd8