[INFO] fetching crate imboard 0.2.6...
[INFO] checking imboard-0.2.6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate imboard 0.2.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate imboard 0.2.6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imboard 0.2.6
[INFO] finished tweaking crates.io crate imboard 0.2.6
[INFO] tweaked toml for crates.io crate imboard 0.2.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate imboard 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7ffb7fcadd89dbfa8dd3d06e5822e72151aa3223ab8f26c9cbe7d6f592f6588
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7ffb7fcadd89dbfa8dd3d06e5822e72151aa3223ab8f26c9cbe7d6f592f6588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ffb7fcadd89dbfa8dd3d06e5822e72151aa3223ab8f26c9cbe7d6f592f6588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ffb7fcadd89dbfa8dd3d06e5822e72151aa3223ab8f26c9cbe7d6f592f6588", kill_on_drop: false }`
[INFO] [stdout] a7ffb7fcadd89dbfa8dd3d06e5822e72151aa3223ab8f26c9cbe7d6f592f6588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c75824d7536bb50c6e1a4396a53d018035297e366afc1fbe244be613f0f78a19
[INFO] running `Command { std: "docker" "start" "-a" "c75824d7536bb50c6e1a4396a53d018035297e366afc1fbe244be613f0f78a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking imboard v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `image::io::Reader`
[INFO] [stdout]  --> src/copy_image.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::io::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ImageFormat::Png`
[INFO] [stdout]  --> src/copy_image.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::ImageFormat::Png;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::NamedTempFile`
[INFO] [stdout]  --> src/copy_image.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tempfile::NamedTempFile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::process::Command`
[INFO] [stdout]  --> src/copy_image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::io::Reader`
[INFO] [stdout]  --> src/copy_image.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::io::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ImageFormat::Png`
[INFO] [stdout]  --> src/copy_image.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::ImageFormat::Png;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::NamedTempFile`
[INFO] [stdout]  --> src/copy_image.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tempfile::NamedTempFile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::process::Command`
[INFO] [stdout]  --> src/copy_image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.85s
[INFO] running `Command { std: "docker" "inspect" "c75824d7536bb50c6e1a4396a53d018035297e366afc1fbe244be613f0f78a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75824d7536bb50c6e1a4396a53d018035297e366afc1fbe244be613f0f78a19", kill_on_drop: false }`
[INFO] [stdout] c75824d7536bb50c6e1a4396a53d018035297e366afc1fbe244be613f0f78a19