[INFO] cloning repository https://github.com/knutin/rocket-test-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knutin/rocket-test-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknutin%2Frocket-test-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknutin%2Frocket-test-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46503490bba84a6f6b994abf9a02f580ad0ce7dd
[INFO] checking knutin/rocket-test-bug against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknutin%2Frocket-test-bug" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knutin/rocket-test-bug on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knutin/rocket-test-bug
[INFO] finished tweaking git repo https://github.com/knutin/rocket-test-bug
[INFO] tweaked toml for git repo https://github.com/knutin/rocket-test-bug written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/knutin/rocket-test-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2304fb99b3945bcda94fc6147f80ec2a6b1f49f07baedecfbd7b8c6b30726676
[INFO] running `Command { std: "docker" "start" "-a" "2304fb99b3945bcda94fc6147f80ec2a6b1f49f07baedecfbd7b8c6b30726676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2304fb99b3945bcda94fc6147f80ec2a6b1f49f07baedecfbd7b8c6b30726676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2304fb99b3945bcda94fc6147f80ec2a6b1f49f07baedecfbd7b8c6b30726676", kill_on_drop: false }`
[INFO] [stdout] 2304fb99b3945bcda94fc6147f80ec2a6b1f49f07baedecfbd7b8c6b30726676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753d3bf50900674ae2dd2fc57ff76dc61e3b6ab892d000bd31579905e0b3ef96
[INFO] running `Command { std: "docker" "start" "-a" "753d3bf50900674ae2dd2fc57ff76dc61e3b6ab892d000bd31579905e0b3ef96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling inlinable_string v0.1.11
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr] error: could not compile `tracing-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.17/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="lazy_static"' --cfg 'feature="std"' -C metadata=909c1a1f2f6ff3d6 -C extra-filename=-909c1a1f2f6ff3d6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3ab14ef94a1f89cf.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" "753d3bf50900674ae2dd2fc57ff76dc61e3b6ab892d000bd31579905e0b3ef96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753d3bf50900674ae2dd2fc57ff76dc61e3b6ab892d000bd31579905e0b3ef96", kill_on_drop: false }`
[INFO] [stdout] 753d3bf50900674ae2dd2fc57ff76dc61e3b6ab892d000bd31579905e0b3ef96