[INFO] cloning repository https://github.com/mjochimsen/checksum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjochimsen/checksum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjochimsen%2Fchecksum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjochimsen%2Fchecksum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fb8100f7044e2512deb2f0459474e029b507316
[INFO] checking mjochimsen/checksum against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjochimsen%2Fchecksum" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjochimsen/checksum 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 git repo https://github.com/mjochimsen/checksum
[INFO] finished tweaking git repo https://github.com/mjochimsen/checksum
[INFO] tweaked toml for git repo https://github.com/mjochimsen/checksum written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/mjochimsen/checksum already has a lockfile, it will not be regenerated
[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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] dfd80bcece260604ce3d9975cc0d9b8d9aa9385601ca1fe79a565eb7f1539089
[INFO] running `Command { std: "docker" "start" "-a" "dfd80bcece260604ce3d9975cc0d9b8d9aa9385601ca1fe79a565eb7f1539089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd80bcece260604ce3d9975cc0d9b8d9aa9385601ca1fe79a565eb7f1539089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd80bcece260604ce3d9975cc0d9b8d9aa9385601ca1fe79a565eb7f1539089", kill_on_drop: false }`
[INFO] [stdout] dfd80bcece260604ce3d9975cc0d9b8d9aa9385601ca1fe79a565eb7f1539089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 50f569e45276118d54f04add8eb90a5d089ec589d8de9eb33a5dab59225589d4
[INFO] running `Command { std: "docker" "start" "-a" "50f569e45276118d54f04add8eb90a5d089ec589d8de9eb33a5dab59225589d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling checksum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/digest/mod.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn append(&self, Arc<[u8]>);
[INFO] [stdout]    |                      ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Arc<[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/digest/mod.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn append(&self, Arc<[u8]>);
[INFO] [stdout]    |                      ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Arc<[u8]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.15s
[INFO] running `Command { std: "docker" "inspect" "50f569e45276118d54f04add8eb90a5d089ec589d8de9eb33a5dab59225589d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f569e45276118d54f04add8eb90a5d089ec589d8de9eb33a5dab59225589d4", kill_on_drop: false }`
[INFO] [stdout] 50f569e45276118d54f04add8eb90a5d089ec589d8de9eb33a5dab59225589d4