[INFO] fetching crate gain 0.4.1...
[INFO] checking gain-0.4.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate gain 0.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate gain 0.4.1 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 gain 0.4.1
[INFO] finished tweaking crates.io crate gain 0.4.1
[INFO] tweaked toml for crates.io crate gain 0.4.1 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 300a6ef336b29ff6cf1230f7e464a636fd336ba32cea4d01e29c60b2e60c6aef
[INFO] running `Command { std: "docker" "start" "-a" "300a6ef336b29ff6cf1230f7e464a636fd336ba32cea4d01e29c60b2e60c6aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300a6ef336b29ff6cf1230f7e464a636fd336ba32cea4d01e29c60b2e60c6aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300a6ef336b29ff6cf1230f7e464a636fd336ba32cea4d01e29c60b2e60c6aef", kill_on_drop: false }`
[INFO] [stdout] 300a6ef336b29ff6cf1230f7e464a636fd336ba32cea4d01e29c60b2e60c6aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b972fe791f33ec92a30d8534abbe4d5baeb69261f4a0176ee3c1efb02a0a31f8
[INFO] running `Command { std: "docker" "start" "-a" "b972fe791f33ec92a30d8534abbe4d5baeb69261f4a0176ee3c1efb02a0a31f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking gain v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "b972fe791f33ec92a30d8534abbe4d5baeb69261f4a0176ee3c1efb02a0a31f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b972fe791f33ec92a30d8534abbe4d5baeb69261f4a0176ee3c1efb02a0a31f8", kill_on_drop: false }`
[INFO] [stdout] b972fe791f33ec92a30d8534abbe4d5baeb69261f4a0176ee3c1efb02a0a31f8