[INFO] fetching crate mozjpeg 0.8.24...
[INFO] checking mozjpeg-0.8.24 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate mozjpeg 0.8.24 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mozjpeg 0.8.24 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mozjpeg 0.8.24
[INFO] finished tweaking crates.io crate mozjpeg 0.8.24
[INFO] tweaked toml for crates.io crate mozjpeg 0.8.24 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 938cdd0c7a9621eba584ac018b9f3ae7832243d117b8547971419771a65ad043
[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" "938cdd0c7a9621eba584ac018b9f3ae7832243d117b8547971419771a65ad043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938cdd0c7a9621eba584ac018b9f3ae7832243d117b8547971419771a65ad043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938cdd0c7a9621eba584ac018b9f3ae7832243d117b8547971419771a65ad043", kill_on_drop: false }`
[INFO] [stdout] 938cdd0c7a9621eba584ac018b9f3ae7832243d117b8547971419771a65ad043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d29a05e74d127d9b38777e91cb147977de427dea23eebc753179d041859e78
[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" "45d29a05e74d127d9b38777e91cb147977de427dea23eebc753179d041859e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking fallible_collections v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling nasm-rs v0.2.0
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.13
[INFO] [stderr]     Checking mozjpeg v0.8.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `own_file`
[INFO] [stdout]    --> src/decompress.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     own_file: Option<Box<File>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `own_file`
[INFO] [stdout]    --> src/decompress.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     own_file: Option<Box<File>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.04s
[INFO] running `Command { std: "docker" "inspect" "45d29a05e74d127d9b38777e91cb147977de427dea23eebc753179d041859e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d29a05e74d127d9b38777e91cb147977de427dea23eebc753179d041859e78", kill_on_drop: false }`
[INFO] [stdout] 45d29a05e74d127d9b38777e91cb147977de427dea23eebc753179d041859e78