[INFO] fetching crate low_latency_log 0.2.0...
[INFO] checking low_latency_log-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate low_latency_log 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate low_latency_log 0.2.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate low_latency_log 0.2.0
[INFO] finished tweaking crates.io crate low_latency_log 0.2.0
[INFO] tweaked toml for crates.io crate low_latency_log 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded core_affinity v0.8.1
[INFO] [stderr]   Downloaded gettid v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d1540dd60f9fe2868a02a4dc641afe583168de271a691e4fda08f42092c4ad
[INFO] running `Command { std: "docker" "start" "-a" "a7d1540dd60f9fe2868a02a4dc641afe583168de271a691e4fda08f42092c4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d1540dd60f9fe2868a02a4dc641afe583168de271a691e4fda08f42092c4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d1540dd60f9fe2868a02a4dc641afe583168de271a691e4fda08f42092c4ad", kill_on_drop: false }`
[INFO] [stdout] a7d1540dd60f9fe2868a02a4dc641afe583168de271a691e4fda08f42092c4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165c0514b7afd7662f99bef7133bd950f7d02d55877be0f75638e6ed39036f6f
[INFO] running `Command { std: "docker" "start" "-a" "165c0514b7afd7662f99bef7133bd950f7d02d55877be0f75638e6ed39036f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gettid v0.1.3
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "165c0514b7afd7662f99bef7133bd950f7d02d55877be0f75638e6ed39036f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165c0514b7afd7662f99bef7133bd950f7d02d55877be0f75638e6ed39036f6f", kill_on_drop: false }`
[INFO] [stdout] 165c0514b7afd7662f99bef7133bd950f7d02d55877be0f75638e6ed39036f6f
[INFO] checking low_latency_log-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate low_latency_log 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate low_latency_log 0.2.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate low_latency_log 0.2.0
[INFO] finished tweaking crates.io crate low_latency_log 0.2.0
[INFO] tweaked toml for crates.io crate low_latency_log 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaff4c0bf9e7146b5a56084c9f52269eeb78a614feae25e62a217f550c09da48
[INFO] running `Command { std: "docker" "start" "-a" "eaff4c0bf9e7146b5a56084c9f52269eeb78a614feae25e62a217f550c09da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaff4c0bf9e7146b5a56084c9f52269eeb78a614feae25e62a217f550c09da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaff4c0bf9e7146b5a56084c9f52269eeb78a614feae25e62a217f550c09da48", kill_on_drop: false }`
[INFO] [stdout] eaff4c0bf9e7146b5a56084c9f52269eeb78a614feae25e62a217f550c09da48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46a50169e3b7cf5d4651bc098f4e9fc2ddd1bdacaa6389928039d036bc231dee
[INFO] running `Command { std: "docker" "start" "-a" "46a50169e3b7cf5d4651bc098f4e9fc2ddd1bdacaa6389928039d036bc231dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gettid v0.1.3
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "46a50169e3b7cf5d4651bc098f4e9fc2ddd1bdacaa6389928039d036bc231dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a50169e3b7cf5d4651bc098f4e9fc2ddd1bdacaa6389928039d036bc231dee", kill_on_drop: false }`
[INFO] [stdout] 46a50169e3b7cf5d4651bc098f4e9fc2ddd1bdacaa6389928039d036bc231dee