[INFO] cloning repository https://github.com/cubetastic33/cogitantium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cubetastic33/cogitantium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcubetastic33%2Fcogitantium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcubetastic33%2Fcogitantium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f1b63fe7219ea1b51d489cb0ffc20bb029e2cc6
[INFO] checking cubetastic33/cogitantium against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcubetastic33%2Fcogitantium" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cubetastic33/cogitantium 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] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/cubetastic33/cogitantium
[INFO] finished tweaking git repo https://github.com/cubetastic33/cogitantium
[INFO] tweaked toml for git repo https://github.com/cubetastic33/cogitantium written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/cubetastic33/cogitantium 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 706bc104042bf3b76ac3310d3db0a967518b5b6746e33c3d0117c538daa93b6a
[INFO] running `Command { std: "docker" "start" "-a" "706bc104042bf3b76ac3310d3db0a967518b5b6746e33c3d0117c538daa93b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706bc104042bf3b76ac3310d3db0a967518b5b6746e33c3d0117c538daa93b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706bc104042bf3b76ac3310d3db0a967518b5b6746e33c3d0117c538daa93b6a", kill_on_drop: false }`
[INFO] [stdout] 706bc104042bf3b76ac3310d3db0a967518b5b6746e33c3d0117c538daa93b6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9632a232f6923f061053b30d4830eeadc4a6a3d7fcec5dd59b31e56ab4d8dbcc
[INFO] running `Command { std: "docker" "start" "-a" "9632a232f6923f061053b30d4830eeadc4a6a3d7fcec5dd59b31e56ab4d8dbcc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_json /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.39/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"' -C metadata=5274d61ead2bed02 -C extra-filename=-5274d61ead2bed02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-982d079ab136c5d1.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-7c1daa71e1b776ed.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3b92e0a3c21bd9ec.rmeta --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" "9632a232f6923f061053b30d4830eeadc4a6a3d7fcec5dd59b31e56ab4d8dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9632a232f6923f061053b30d4830eeadc4a6a3d7fcec5dd59b31e56ab4d8dbcc", kill_on_drop: false }`
[INFO] [stdout] 9632a232f6923f061053b30d4830eeadc4a6a3d7fcec5dd59b31e56ab4d8dbcc