[INFO] fetching crate math-engine 0.2.0...
[INFO] checking math-engine-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate math-engine 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate math-engine 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 math-engine 0.2.0
[INFO] finished tweaking crates.io crate math-engine 0.2.0
[INFO] tweaked toml for crates.io crate math-engine 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate math-engine 0.2.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexgen v0.14.0
[INFO] [stderr]   Downloaded lexgen_util v0.14.0
[INFO] [stderr]   Downloaded pomelo v0.1.5
[INFO] [stderr]   Downloaded pomelo-impl v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9ccafaa598eec815f7c476dc3bbdc9b592e8fbbeaf0ec5fb51e86fbb51ed9394
[INFO] running `Command { std: "docker" "start" "-a" "9ccafaa598eec815f7c476dc3bbdc9b592e8fbbeaf0ec5fb51e86fbb51ed9394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ccafaa598eec815f7c476dc3bbdc9b592e8fbbeaf0ec5fb51e86fbb51ed9394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccafaa598eec815f7c476dc3bbdc9b592e8fbbeaf0ec5fb51e86fbb51ed9394", kill_on_drop: false }`
[INFO] [stdout] 9ccafaa598eec815f7c476dc3bbdc9b592e8fbbeaf0ec5fb51e86fbb51ed9394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 15d014d908c54beede7e5f040c594004dc96acd1ebc44ccf99b8879849a40aab
[INFO] running `Command { std: "docker" "start" "-a" "15d014d908c54beede7e5f040c594004dc96acd1ebc44ccf99b8879849a40aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking lexgen_util v0.14.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling pomelo-impl v0.1.5
[INFO] [stderr]    Compiling lexgen v0.14.0
[INFO] [stderr]     Checking pomelo v0.1.5
[INFO] [stderr]     Checking math-engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "15d014d908c54beede7e5f040c594004dc96acd1ebc44ccf99b8879849a40aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d014d908c54beede7e5f040c594004dc96acd1ebc44ccf99b8879849a40aab", kill_on_drop: false }`
[INFO] [stdout] 15d014d908c54beede7e5f040c594004dc96acd1ebc44ccf99b8879849a40aab
[INFO] checking math-engine-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate math-engine 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate math-engine 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 math-engine 0.2.0
[INFO] finished tweaking crates.io crate math-engine 0.2.0
[INFO] tweaked toml for crates.io crate math-engine 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate math-engine 0.2.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ad758981c5e9269f5be9ed72a05c61c899ab931ce6d09a6ba32cc8d52a4b6c9e
[INFO] running `Command { std: "docker" "start" "-a" "ad758981c5e9269f5be9ed72a05c61c899ab931ce6d09a6ba32cc8d52a4b6c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad758981c5e9269f5be9ed72a05c61c899ab931ce6d09a6ba32cc8d52a4b6c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad758981c5e9269f5be9ed72a05c61c899ab931ce6d09a6ba32cc8d52a4b6c9e", kill_on_drop: false }`
[INFO] [stdout] ad758981c5e9269f5be9ed72a05c61c899ab931ce6d09a6ba32cc8d52a4b6c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] da612ea94057c5e0045bc1ebdb0533967f133d93a8d1743a78d4af8b973a589e
[INFO] running `Command { std: "docker" "start" "-a" "da612ea94057c5e0045bc1ebdb0533967f133d93a8d1743a78d4af8b973a589e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking lexgen_util v0.14.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling pomelo-impl v0.1.5
[INFO] [stderr]    Compiling lexgen v0.14.0
[INFO] [stderr]     Checking pomelo v0.1.5
[INFO] [stderr]     Checking math-engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "da612ea94057c5e0045bc1ebdb0533967f133d93a8d1743a78d4af8b973a589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da612ea94057c5e0045bc1ebdb0533967f133d93a8d1743a78d4af8b973a589e", kill_on_drop: false }`
[INFO] [stdout] da612ea94057c5e0045bc1ebdb0533967f133d93a8d1743a78d4af8b973a589e