[INFO] fetching crate mbr 0.2.2...
[INFO] checking mbr-0.2.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate mbr 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mbr 0.2.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mbr 0.2.2
[INFO] finished tweaking crates.io crate mbr 0.2.2
[INFO] tweaked toml for crates.io crate mbr 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d9903515f88d7673d82f51a2296ecb68f9143f5bcd640a80c6609d8e72c720d
[INFO] running `Command { std: "docker" "start" "-a" "4d9903515f88d7673d82f51a2296ecb68f9143f5bcd640a80c6609d8e72c720d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d9903515f88d7673d82f51a2296ecb68f9143f5bcd640a80c6609d8e72c720d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9903515f88d7673d82f51a2296ecb68f9143f5bcd640a80c6609d8e72c720d", kill_on_drop: false }`
[INFO] [stdout] 4d9903515f88d7673d82f51a2296ecb68f9143f5bcd640a80c6609d8e72c720d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 284d1807b636caa3a967cc4e35990fea3ab24e5a59dbc5a76afd77e38e1c1241
[INFO] running `Command { std: "docker" "start" "-a" "284d1807b636caa3a967cc4e35990fea3ab24e5a59dbc5a76afd77e38e1c1241", kill_on_drop: false }`
[INFO] [stderr]     Checking mbr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "284d1807b636caa3a967cc4e35990fea3ab24e5a59dbc5a76afd77e38e1c1241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284d1807b636caa3a967cc4e35990fea3ab24e5a59dbc5a76afd77e38e1c1241", kill_on_drop: false }`
[INFO] [stdout] 284d1807b636caa3a967cc4e35990fea3ab24e5a59dbc5a76afd77e38e1c1241