[INFO] fetching crate tracing-durations-export 0.3.0...
[INFO] checking tracing-durations-export-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tracing-durations-export 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tracing-durations-export 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-durations-export 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-durations-export 0.3.0
[INFO] tweaked toml for crates.io crate tracing-durations-export 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracing-durations-export 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 svg v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0d20dd6695fbcc626337addb750d7ae99817863d9316b9180a44bc7c3ce29c
[INFO] running `Command { std: "docker" "start" "-a" "6f0d20dd6695fbcc626337addb750d7ae99817863d9316b9180a44bc7c3ce29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0d20dd6695fbcc626337addb750d7ae99817863d9316b9180a44bc7c3ce29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0d20dd6695fbcc626337addb750d7ae99817863d9316b9180a44bc7c3ce29c", kill_on_drop: false }`
[INFO] [stdout] 6f0d20dd6695fbcc626337addb750d7ae99817863d9316b9180a44bc7c3ce29c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d86e356fae13e13e0a9b8a7182f11a7c2fb2e947d049b73d5c6d4d60e5519a
[INFO] running `Command { std: "docker" "start" "-a" "b9d86e356fae13e13e0a9b8a7182f11a7c2fb2e947d049b73d5c6d4d60e5519a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tracing-durations-export v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.07s
[INFO] running `Command { std: "docker" "inspect" "b9d86e356fae13e13e0a9b8a7182f11a7c2fb2e947d049b73d5c6d4d60e5519a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d86e356fae13e13e0a9b8a7182f11a7c2fb2e947d049b73d5c6d4d60e5519a", kill_on_drop: false }`
[INFO] [stdout] b9d86e356fae13e13e0a9b8a7182f11a7c2fb2e947d049b73d5c6d4d60e5519a