[INFO] updating cached repository https://github.com/pinkisemils/rust_shenanigans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16ae5658ced9ccc30ba25c779d78e17d416ca61b
[INFO] checking pinkisemils/rust_shenanigans against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkisemils%2Frust_shenanigans" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pinkisemils/rust_shenanigans on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pinkisemils/rust_shenanigans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d09c15751832524ec3036fdd0d06ff9cd93e8865a7c97a18a60792933c3b0cb
[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" "4d09c15751832524ec3036fdd0d06ff9cd93e8865a7c97a18a60792933c3b0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d09c15751832524ec3036fdd0d06ff9cd93e8865a7c97a18a60792933c3b0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d09c15751832524ec3036fdd0d06ff9cd93e8865a7c97a18a60792933c3b0cb", kill_on_drop: false }`
[INFO] [stdout] 4d09c15751832524ec3036fdd0d06ff9cd93e8865a7c97a18a60792933c3b0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba2127dd7ab66a3214ffafcb300b7340e4951e1347cee808a2a525c6c1ea9b3
[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" "cba2127dd7ab66a3214ffafcb300b7340e4951e1347cee808a2a525c6c1ea9b3", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking bitflags v0.7.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[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 deflate v0.7.4
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     tx.send(trim(sendable));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     tx.send(trim(sendable));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/main.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/main.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn test_lib(jpegs: &Vec<Frame>, work: &Fn(&Frame)) -> time::Duration
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Frame)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dec_t`
[INFO] [stdout]   --> src/bin/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_dec_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dec_t`
[INFO] [stdout]   --> src/bin/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_dec_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "cba2127dd7ab66a3214ffafcb300b7340e4951e1347cee808a2a525c6c1ea9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba2127dd7ab66a3214ffafcb300b7340e4951e1347cee808a2a525c6c1ea9b3", kill_on_drop: false }`
[INFO] [stdout] cba2127dd7ab66a3214ffafcb300b7340e4951e1347cee808a2a525c6c1ea9b3