[INFO] fetching crate metamath-rs 0.3.8...
[INFO] checking metamath-rs-0.3.8 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate metamath-rs 0.3.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate metamath-rs 0.3.8 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 metamath-rs 0.3.8
[INFO] finished tweaking crates.io crate metamath-rs 0.3.8
[INFO] tweaked toml for crates.io crate metamath-rs 0.3.8 written to /workspace/builds/worker-5-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 37 packages to latest compatible versions
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.4)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[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 yansi-term v0.1.2
[INFO] [stderr]   Downloaded dot-writer v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 178b7d5550f5c1b27b358ab3b2b6b6c7907c4b5041f9c3f29b5daebbac6c55b2
[INFO] running `Command { std: "docker" "start" "-a" "178b7d5550f5c1b27b358ab3b2b6b6c7907c4b5041f9c3f29b5daebbac6c55b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178b7d5550f5c1b27b358ab3b2b6b6c7907c4b5041f9c3f29b5daebbac6c55b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178b7d5550f5c1b27b358ab3b2b6b6c7907c4b5041f9c3f29b5daebbac6c55b2", kill_on_drop: false }`
[INFO] [stdout] 178b7d5550f5c1b27b358ab3b2b6b6c7907c4b5041f9c3f29b5daebbac6c55b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c61adb04cb92403e886e2793d20554061fc409f7472baba3dbb3537580f100be
[INFO] running `Command { std: "docker" "start" "-a" "c61adb04cb92403e886e2793d20554061fc409f7472baba3dbb3537580f100be", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking metamath-rs v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "c61adb04cb92403e886e2793d20554061fc409f7472baba3dbb3537580f100be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61adb04cb92403e886e2793d20554061fc409f7472baba3dbb3537580f100be", kill_on_drop: false }`
[INFO] [stdout] c61adb04cb92403e886e2793d20554061fc409f7472baba3dbb3537580f100be
[INFO] checking metamath-rs-0.3.8 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate metamath-rs 0.3.8 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate metamath-rs 0.3.8 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 metamath-rs 0.3.8
[INFO] finished tweaking crates.io crate metamath-rs 0.3.8
[INFO] tweaked toml for crates.io crate metamath-rs 0.3.8 written to /workspace/builds/worker-5-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 37 packages to latest compatible versions
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.4)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9cba3f0849cfbb0402ba04a12b6f856aac6aa028fb3f98a6f658499f2ef4921d
[INFO] running `Command { std: "docker" "start" "-a" "9cba3f0849cfbb0402ba04a12b6f856aac6aa028fb3f98a6f658499f2ef4921d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cba3f0849cfbb0402ba04a12b6f856aac6aa028fb3f98a6f658499f2ef4921d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cba3f0849cfbb0402ba04a12b6f856aac6aa028fb3f98a6f658499f2ef4921d", kill_on_drop: false }`
[INFO] [stdout] 9cba3f0849cfbb0402ba04a12b6f856aac6aa028fb3f98a6f658499f2ef4921d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f791fb71c3f32778ba0dc8a4f57e9a8d97e9d43fb45e785da81e9ec4f8b890f
[INFO] running `Command { std: "docker" "start" "-a" "5f791fb71c3f32778ba0dc8a4f57e9a8d97e9d43fb45e785da81e9ec4f8b890f", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking metamath-rs v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "5f791fb71c3f32778ba0dc8a4f57e9a8d97e9d43fb45e785da81e9ec4f8b890f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f791fb71c3f32778ba0dc8a4f57e9a8d97e9d43fb45e785da81e9ec4f8b890f", kill_on_drop: false }`
[INFO] [stdout] 5f791fb71c3f32778ba0dc8a4f57e9a8d97e9d43fb45e785da81e9ec4f8b890f