[INFO] fetching crate dssim 2.11.4...
[INFO] checking dssim-2.11.4 against beta for pr-78714
[INFO] extracting crate dssim 2.11.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dssim 2.11.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dssim 2.11.4
[INFO] finished tweaking crates.io crate dssim 2.11.4
[INFO] tweaked toml for crates.io crate dssim 2.11.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dssim 2.11.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b9801367926fca151348fc60627e82e85b00ea0cdcf73382a0642d4455cc9fd
[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" "1b9801367926fca151348fc60627e82e85b00ea0cdcf73382a0642d4455cc9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b9801367926fca151348fc60627e82e85b00ea0cdcf73382a0642d4455cc9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9801367926fca151348fc60627e82e85b00ea0cdcf73382a0642d4455cc9fd", kill_on_drop: false }`
[INFO] [stdout] 1b9801367926fca151348fc60627e82e85b00ea0cdcf73382a0642d4455cc9fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa2e81b02149f42501ed401783d4ec5de2807c7221abfad97423f57c4c2c4701
[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" "aa2e81b02149f42501ed401783d4ec5de2807c7221abfad97423f57c4c2c4701", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking lodepng v3.2.2
[INFO] [stderr]    Compiling lcms2-sys v3.1.5
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rexif v0.5.0
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking lcms2 v5.4.0
[INFO] [stderr]     Checking dssim-core v2.11.4
[INFO] [stderr]    Compiling nasm-rs v0.2.0
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.11
[INFO] [stderr]     Checking mozjpeg v0.8.20
[INFO] [stderr]     Checking load_image v2.12.1
[INFO] [stderr]     Checking dssim v2.11.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dssim::*`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use dssim::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `imgref::*`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use imgref::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.12s
[INFO] running `Command { std: "docker" "inspect" "aa2e81b02149f42501ed401783d4ec5de2807c7221abfad97423f57c4c2c4701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2e81b02149f42501ed401783d4ec5de2807c7221abfad97423f57c4c2c4701", kill_on_drop: false }`
[INFO] [stdout] aa2e81b02149f42501ed401783d4ec5de2807c7221abfad97423f57c4c2c4701