[INFO] updating cached repository https://github.com/pinkisemils/rust_shenanigans
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16ae5658ced9ccc30ba25c779d78e17d416ca61b
[INFO] checking pinkisemils/rust_shenanigans against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkisemils%2Frust_shenanigans" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pinkisemils/rust_shenanigans on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pinkisemils/rust_shenanigans
[INFO] finished tweaking git repo https://github.com/pinkisemils/rust_shenanigans
[INFO] tweaked toml for git repo https://github.com/pinkisemils/rust_shenanigans written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pinkisemils/rust_shenanigans already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c646f63465e8c0389a1965ca32fba3ac7be9ed3e241d1dd09c46da9f6e6e2c9d
[INFO] running `"docker" "start" "-a" "c646f63465e8c0389a1965ca32fba3ac7be9ed3e241d1dd09c46da9f6e6e2c9d"`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking bitflags v0.7.1
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]    Compiling deco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/main.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/main.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_t`
[INFO] [stderr]   --> src/bin/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_dec_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_t`
[INFO] [stderr]   --> src/bin/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_dec_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `"docker" "inspect" "c646f63465e8c0389a1965ca32fba3ac7be9ed3e241d1dd09c46da9f6e6e2c9d"`
[INFO] running `"docker" "rm" "-f" "c646f63465e8c0389a1965ca32fba3ac7be9ed3e241d1dd09c46da9f6e6e2c9d"`
[INFO] [stdout] c646f63465e8c0389a1965ca32fba3ac7be9ed3e241d1dd09c46da9f6e6e2c9d