[INFO] fetching crate mctser 0.1.2...
[INFO] checking mctser-0.1.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate mctser 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mctser 0.1.2 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 mctser 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mctser 0.1.2
[INFO] tweaked toml for crates.io crate mctser 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mctser 0.1.2 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 155b55f13db6ee5029e9eb510f2bd0480994ec9587681dfac0375a12656005d8
[INFO] running `Command { std: "docker" "start" "-a" "155b55f13db6ee5029e9eb510f2bd0480994ec9587681dfac0375a12656005d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "155b55f13db6ee5029e9eb510f2bd0480994ec9587681dfac0375a12656005d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155b55f13db6ee5029e9eb510f2bd0480994ec9587681dfac0375a12656005d8", kill_on_drop: false }`
[INFO] [stdout] 155b55f13db6ee5029e9eb510f2bd0480994ec9587681dfac0375a12656005d8
[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=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] a96b3cef94083190367de2aea1171c166267978ab4e793237cc3ed5d0c83627d
[INFO] running `Command { std: "docker" "start" "-a" "a96b3cef94083190367de2aea1171c166267978ab4e793237cc3ed5d0c83627d", kill_on_drop: false }`
[INFO] [stderr]     Checking mctser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a96b3cef94083190367de2aea1171c166267978ab4e793237cc3ed5d0c83627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96b3cef94083190367de2aea1171c166267978ab4e793237cc3ed5d0c83627d", kill_on_drop: false }`
[INFO] [stdout] a96b3cef94083190367de2aea1171c166267978ab4e793237cc3ed5d0c83627d
[INFO] checking mctser-0.1.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate mctser 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mctser 0.1.2 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 mctser 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mctser 0.1.2
[INFO] tweaked toml for crates.io crate mctser 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mctser 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1664b6e72f17406fc5509ddbc0e2b41729ca507aa6f40188f95645827b5320e9
[INFO] running `Command { std: "docker" "start" "-a" "1664b6e72f17406fc5509ddbc0e2b41729ca507aa6f40188f95645827b5320e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1664b6e72f17406fc5509ddbc0e2b41729ca507aa6f40188f95645827b5320e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1664b6e72f17406fc5509ddbc0e2b41729ca507aa6f40188f95645827b5320e9", kill_on_drop: false }`
[INFO] [stdout] 1664b6e72f17406fc5509ddbc0e2b41729ca507aa6f40188f95645827b5320e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c407886a4f324d19e79bc20b060bb3893968ef248b0995dffa8748790bfd1530
[INFO] running `Command { std: "docker" "start" "-a" "c407886a4f324d19e79bc20b060bb3893968ef248b0995dffa8748790bfd1530", kill_on_drop: false }`
[INFO] [stderr]     Checking mctser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c407886a4f324d19e79bc20b060bb3893968ef248b0995dffa8748790bfd1530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c407886a4f324d19e79bc20b060bb3893968ef248b0995dffa8748790bfd1530", kill_on_drop: false }`
[INFO] [stdout] c407886a4f324d19e79bc20b060bb3893968ef248b0995dffa8748790bfd1530