[INFO] fetching crate multi-readers 0.2.1...
[INFO] checking multi-readers-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate multi-readers 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate multi-readers 0.2.1 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 multi-readers 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate multi-readers 0.2.1
[INFO] tweaked toml for crates.io crate multi-readers 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate multi-readers 0.2.1 already has a lockfile, it will not be regenerated
[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] 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] f50fcad6a8787ee1311b7e4bf0054faab9b91b08879725e10416b07f563ff953
[INFO] running `Command { std: "docker" "start" "-a" "f50fcad6a8787ee1311b7e4bf0054faab9b91b08879725e10416b07f563ff953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f50fcad6a8787ee1311b7e4bf0054faab9b91b08879725e10416b07f563ff953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50fcad6a8787ee1311b7e4bf0054faab9b91b08879725e10416b07f563ff953", kill_on_drop: false }`
[INFO] [stdout] f50fcad6a8787ee1311b7e4bf0054faab9b91b08879725e10416b07f563ff953
[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] e6f6fdcc1c0782a9fad05f409d613ae995a55787d3c4f04b991f90105c0558f4
[INFO] running `Command { std: "docker" "start" "-a" "e6f6fdcc1c0782a9fad05f409d613ae995a55787d3c4f04b991f90105c0558f4", kill_on_drop: false }`
[INFO] [stderr]     Checking multi-readers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "e6f6fdcc1c0782a9fad05f409d613ae995a55787d3c4f04b991f90105c0558f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f6fdcc1c0782a9fad05f409d613ae995a55787d3c4f04b991f90105c0558f4", kill_on_drop: false }`
[INFO] [stdout] e6f6fdcc1c0782a9fad05f409d613ae995a55787d3c4f04b991f90105c0558f4