[INFO] cloning repository https://github.com/untitaker/mysteryshack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/untitaker/mysteryshack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtitaker%2Fmysteryshack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtitaker%2Fmysteryshack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7413ecc205568ac3ad0696411f6b9a55526546c6
[INFO] checking untitaker/mysteryshack against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funtitaker%2Fmysteryshack" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/untitaker/mysteryshack on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/untitaker/mysteryshack
[INFO] finished tweaking git repo https://github.com/untitaker/mysteryshack
[INFO] tweaked toml for git repo https://github.com/untitaker/mysteryshack written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/untitaker/mysteryshack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3236e03d9608a2a6161abfc13af9a6627a43c4249922cd293fed7676464f93c5
[INFO] running `Command { std: "docker" "start" "-a" "3236e03d9608a2a6161abfc13af9a6627a43c4249922cd293fed7676464f93c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3236e03d9608a2a6161abfc13af9a6627a43c4249922cd293fed7676464f93c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3236e03d9608a2a6161abfc13af9a6627a43c4249922cd293fed7676464f93c5", kill_on_drop: false }`
[INFO] [stdout] 3236e03d9608a2a6161abfc13af9a6627a43c4249922cd293fed7676464f93c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007b6e1c903e46649dbdf2b41f4e9068cbf166e6aa4b5157211029ee7cec83b4
[INFO] running `Command { std: "docker" "start" "-a" "007b6e1c903e46649dbdf2b41f4e9068cbf166e6aa4b5157211029ee7cec83b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking bitflags v0.7.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]     Checking serde v0.9.7
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking mac v0.1.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking rc v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking route-recognizer v0.1.11
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking please-clap v0.1.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling libsodium-sys v0.0.14
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking utf-8 v0.6.0
[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-0.9.7/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="std"' -C metadata=ce8c1b3bce96b294 -C extra-filename=-ce8c1b3bce96b294 --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" "007b6e1c903e46649dbdf2b41f4e9068cbf166e6aa4b5157211029ee7cec83b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007b6e1c903e46649dbdf2b41f4e9068cbf166e6aa4b5157211029ee7cec83b4", kill_on_drop: false }`
[INFO] [stdout] 007b6e1c903e46649dbdf2b41f4e9068cbf166e6aa4b5157211029ee7cec83b4