[INFO] fetching crate exec-rs 0.1.2...
[INFO] checking exec-rs-0.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate exec-rs 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate exec-rs 0.1.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exec-rs 0.1.2
[INFO] finished tweaking crates.io crate exec-rs 0.1.2
[INFO] tweaked toml for crates.io crate exec-rs 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.3.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding flurry v0.3.1 (latest: v0.5.1)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.12)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding parking_lot v0.10.2 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.7.3 (latest: v0.9.10)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.10)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.3)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flurry v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bc67a820f14f0aa5837c30c722eb429737aee13afb056ab1d9965dc202e0c31
[INFO] running `Command { std: "docker" "start" "-a" "9bc67a820f14f0aa5837c30c722eb429737aee13afb056ab1d9965dc202e0c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bc67a820f14f0aa5837c30c722eb429737aee13afb056ab1d9965dc202e0c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc67a820f14f0aa5837c30c722eb429737aee13afb056ab1d9965dc202e0c31", kill_on_drop: false }`
[INFO] [stdout] 9bc67a820f14f0aa5837c30c722eb429737aee13afb056ab1d9965dc202e0c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8ef654fb6427cdaf6350a9484ce55dfdc4c8e376eb4023a8a6dcb1dc19cd7b
[INFO] running `Command { std: "docker" "start" "-a" "5e8ef654fb6427cdaf6350a9484ce55dfdc4c8e376eb4023a8a6dcb1dc19cd7b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking flurry v0.3.1
[INFO] [stderr]     Checking exec-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "5e8ef654fb6427cdaf6350a9484ce55dfdc4c8e376eb4023a8a6dcb1dc19cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8ef654fb6427cdaf6350a9484ce55dfdc4c8e376eb4023a8a6dcb1dc19cd7b", kill_on_drop: false }`
[INFO] [stdout] 5e8ef654fb6427cdaf6350a9484ce55dfdc4c8e376eb4023a8a6dcb1dc19cd7b