[INFO] fetching crate log 0.4.21...
[INFO] checking log-0.4.21 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate log 0.4.21 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate log 0.4.21 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log 0.4.21
[INFO] removed 2 missing tests
[INFO] finished tweaking crates.io crate log 0.4.21
[INFO] tweaked toml for crates.io crate log 0.4.21 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "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 sval v2.13.0
[INFO] [stderr]   Downloaded value-bag-sval2 v1.9.0
[INFO] [stderr]   Downloaded sval_json v2.13.0
[INFO] [stderr]   Downloaded sval_buffer v2.13.0
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_derive_macros v2.13.0
[INFO] [stderr]   Downloaded sval_derive v2.13.0
[INFO] [stderr]   Downloaded value-bag-serde1 v1.9.0
[INFO] [stderr]   Downloaded sval_dynamic v2.13.0
[INFO] [stderr]   Downloaded sval_fmt v2.13.0
[INFO] [stderr]   Downloaded sval_ref v2.13.0
[INFO] [stderr]   Downloaded sval_nested v2.13.0
[INFO] [stderr]   Downloaded sval_serde v2.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59a4ad1cd22908ff58e09a5989e01ca0ff1db6eababbfddd8747b1be903783a
[INFO] running `Command { std: "docker" "start" "-a" "b59a4ad1cd22908ff58e09a5989e01ca0ff1db6eababbfddd8747b1be903783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59a4ad1cd22908ff58e09a5989e01ca0ff1db6eababbfddd8747b1be903783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59a4ad1cd22908ff58e09a5989e01ca0ff1db6eababbfddd8747b1be903783a", kill_on_drop: false }`
[INFO] [stdout] b59a4ad1cd22908ff58e09a5989e01ca0ff1db6eababbfddd8747b1be903783a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a623435137612dce92321d4f7ffd0df90a9ffc2eda96c4a4012994fcf7982b9
[INFO] running `Command { std: "docker" "start" "-a" "7a623435137612dce92321d4f7ffd0df90a9ffc2eda96c4a4012994fcf7982b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking sval v2.13.0
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]     Checking log v0.4.21 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling sval_derive_macros v2.13.0
[INFO] [stderr]     Checking sval_derive v2.13.0
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "7a623435137612dce92321d4f7ffd0df90a9ffc2eda96c4a4012994fcf7982b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a623435137612dce92321d4f7ffd0df90a9ffc2eda96c4a4012994fcf7982b9", kill_on_drop: false }`
[INFO] [stdout] 7a623435137612dce92321d4f7ffd0df90a9ffc2eda96c4a4012994fcf7982b9