[INFO] cloning repository https://github.com/mmacedoeu/toyrpc.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmacedoeu/toyrpc.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Ftoyrpc.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Ftoyrpc.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17dcf9a2552b743750c32579c2d43b27327d0c30
[INFO] checking mmacedoeu/toyrpc.rs against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Ftoyrpc.rs" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/mmacedoeu/toyrpc.rs on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmacedoeu/toyrpc.rs
[INFO] finished tweaking git repo https://github.com/mmacedoeu/toyrpc.rs
[INFO] tweaked toml for git repo https://github.com/mmacedoeu/toyrpc.rs written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/mmacedoeu/toyrpc.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e76d7253d0bf23f43ffa5ba751183ff4754d116524281bd19f5054ababea685
[INFO] running `Command { std: "docker" "start" "-a" "3e76d7253d0bf23f43ffa5ba751183ff4754d116524281bd19f5054ababea685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e76d7253d0bf23f43ffa5ba751183ff4754d116524281bd19f5054ababea685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e76d7253d0bf23f43ffa5ba751183ff4754d116524281bd19f5054ababea685", kill_on_drop: false }`
[INFO] [stdout] 3e76d7253d0bf23f43ffa5ba751183ff4754d116524281bd19f5054ababea685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3b9c8b18f91c5aa80f7768a043d6602a59a6dcf60d80e5ecef183ee37c79ce0
[INFO] running `Command { std: "docker" "start" "-a" "b3b9c8b18f91c5aa80f7768a043d6602a59a6dcf60d80e5ecef183ee37c79ce0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking isatty v0.1.7
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking mime v0.3.7
[INFO] [stderr]     Checking arrayvec v0.4.7
[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-1.0.55/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=b2afaea1c40d7e82 -C extra-filename=-b2afaea1c40d7e82 --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" "b3b9c8b18f91c5aa80f7768a043d6602a59a6dcf60d80e5ecef183ee37c79ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b9c8b18f91c5aa80f7768a043d6602a59a6dcf60d80e5ecef183ee37c79ce0", kill_on_drop: false }`
[INFO] [stdout] b3b9c8b18f91c5aa80f7768a043d6602a59a6dcf60d80e5ecef183ee37c79ce0