[INFO] fetching crate test-env-log 0.2.7...
[INFO] checking test-env-log-0.2.7 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate test-env-log 0.2.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate test-env-log 0.2.7 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-env-log 0.2.7
[INFO] finished tweaking crates.io crate test-env-log 0.2.7
[INFO] tweaked toml for crates.io crate test-env-log 0.2.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a137df9fabb2064bdf055ab5e42b3f86a94489f49a2f27f5d0adaca938f87fe7
[INFO] running `Command { std: "docker" "start" "-a" "a137df9fabb2064bdf055ab5e42b3f86a94489f49a2f27f5d0adaca938f87fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a137df9fabb2064bdf055ab5e42b3f86a94489f49a2f27f5d0adaca938f87fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a137df9fabb2064bdf055ab5e42b3f86a94489f49a2f27f5d0adaca938f87fe7", kill_on_drop: false }`
[INFO] [stdout] a137df9fabb2064bdf055ab5e42b3f86a94489f49a2f27f5d0adaca938f87fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3da2696ae864e5385a0ab63c8caec4cbf6f31992773597592b670a1c3fdfb2
[INFO] running `Command { std: "docker" "start" "-a" "7c3da2696ae864e5385a0ab63c8caec4cbf6f31992773597592b670a1c3fdfb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking test-env-log v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.19s
[INFO] running `Command { std: "docker" "inspect" "7c3da2696ae864e5385a0ab63c8caec4cbf6f31992773597592b670a1c3fdfb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3da2696ae864e5385a0ab63c8caec4cbf6f31992773597592b670a1c3fdfb2", kill_on_drop: false }`
[INFO] [stdout] 7c3da2696ae864e5385a0ab63c8caec4cbf6f31992773597592b670a1c3fdfb2