[INFO] fetching crate mut_set 0.4.0...
[INFO] checking mut_set-0.4.0 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate mut_set 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mut_set 0.4.0 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mut_set 0.4.0
[INFO] finished tweaking crates.io crate mut_set 0.4.0
[INFO] tweaked toml for crates.io crate mut_set 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebda231f42db9a4079648daab60c94fcd5df9c36997e09a985409b9843ea540
[INFO] running `Command { std: "docker" "start" "-a" "4ebda231f42db9a4079648daab60c94fcd5df9c36997e09a985409b9843ea540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebda231f42db9a4079648daab60c94fcd5df9c36997e09a985409b9843ea540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebda231f42db9a4079648daab60c94fcd5df9c36997e09a985409b9843ea540", kill_on_drop: false }`
[INFO] [stdout] 4ebda231f42db9a4079648daab60c94fcd5df9c36997e09a985409b9843ea540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 098715958e93fc337f0e4182982f2f2fb1a4aee0bad61e05e1c8b518069c2019
[INFO] running `Command { std: "docker" "start" "-a" "098715958e93fc337f0e4182982f2f2fb1a4aee0bad61e05e1c8b518069c2019", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling mut_set_derive v0.4.0
[INFO] [stderr]     Checking mut_set v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "098715958e93fc337f0e4182982f2f2fb1a4aee0bad61e05e1c8b518069c2019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098715958e93fc337f0e4182982f2f2fb1a4aee0bad61e05e1c8b518069c2019", kill_on_drop: false }`
[INFO] [stdout] 098715958e93fc337f0e4182982f2f2fb1a4aee0bad61e05e1c8b518069c2019