[INFO] fetching crate rc_slice 0.3.0...
[INFO] checking rc_slice-0.3.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rc_slice 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rc_slice 0.3.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc_slice 0.3.0
[INFO] finished tweaking crates.io crate rc_slice 0.3.0
[INFO] tweaked toml for crates.io crate rc_slice 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57250c11210da3d1d9c63ceefc36e57da92f235b20ef7029819c397d194ebdcb
[INFO] running `Command { std: "docker" "start" "-a" "57250c11210da3d1d9c63ceefc36e57da92f235b20ef7029819c397d194ebdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57250c11210da3d1d9c63ceefc36e57da92f235b20ef7029819c397d194ebdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57250c11210da3d1d9c63ceefc36e57da92f235b20ef7029819c397d194ebdcb", kill_on_drop: false }`
[INFO] [stdout] 57250c11210da3d1d9c63ceefc36e57da92f235b20ef7029819c397d194ebdcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe1b58d480374d821bc6871b028f157fb9f4cfdb6ea6fb39cf6507b78d8da32
[INFO] running `Command { std: "docker" "start" "-a" "5fe1b58d480374d821bc6871b028f157fb9f4cfdb6ea6fb39cf6507b78d8da32", kill_on_drop: false }`
[INFO] [stderr]     Checking rc_slice v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "5fe1b58d480374d821bc6871b028f157fb9f4cfdb6ea6fb39cf6507b78d8da32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe1b58d480374d821bc6871b028f157fb9f4cfdb6ea6fb39cf6507b78d8da32", kill_on_drop: false }`
[INFO] [stdout] 5fe1b58d480374d821bc6871b028f157fb9f4cfdb6ea6fb39cf6507b78d8da32