[INFO] fetching crate marko-md 0.1.8...
[INFO] checking marko-md-0.1.8 against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] extracting crate marko-md 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate marko-md 0.1.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate marko-md 0.1.8
[INFO] tweaked toml for crates.io crate marko-md 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marko-md 0.1.8 on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate marko-md 0.1.8 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03922f2ec8ee6b1769ea0deb41408a1b69986504892eae51b153bac60290ce98
[INFO] running `Command { std: "docker" "start" "-a" "03922f2ec8ee6b1769ea0deb41408a1b69986504892eae51b153bac60290ce98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03922f2ec8ee6b1769ea0deb41408a1b69986504892eae51b153bac60290ce98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03922f2ec8ee6b1769ea0deb41408a1b69986504892eae51b153bac60290ce98", kill_on_drop: false }`
[INFO] [stdout] 03922f2ec8ee6b1769ea0deb41408a1b69986504892eae51b153bac60290ce98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48a47f9510a6f85ed6669e3c9d85ebd91cdd36b41648160241a95e0f7e23e867
[INFO] running `Command { std: "docker" "start" "-a" "48a47f9510a6f85ed6669e3c9d85ebd91cdd36b41648160241a95e0f7e23e867", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking either v1.15.0
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[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
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[INFO] [stderr]    Compiling darling_macro v0.23.0
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[INFO] [stderr]    Compiling darling v0.23.0
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[INFO] [stderr]     Checking icu_provider v2.1.1
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[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]     Checking arboard v3.6.1
[INFO] [stderr]     Checking marko-md v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]    --> src/components/preview.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |     let ext = path
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]    --> src/components/preview.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |     let ext = path
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.70s
[INFO] running `Command { std: "docker" "inspect" "48a47f9510a6f85ed6669e3c9d85ebd91cdd36b41648160241a95e0f7e23e867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a47f9510a6f85ed6669e3c9d85ebd91cdd36b41648160241a95e0f7e23e867", kill_on_drop: false }`
[INFO] [stdout] 48a47f9510a6f85ed6669e3c9d85ebd91cdd36b41648160241a95e0f7e23e867