[INFO] fetching crate rusty-train 0.1.0...
[INFO] checking rusty-train-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rusty-train 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rusty-train 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-train 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusty-train 0.1.0
[INFO] tweaked toml for crates.io crate rusty-train 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rusty-train 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1157c4f3575a96c28be99b16bd6666420e342fbc73c0927988fcada6dc9db8bd
[INFO] running `Command { std: "docker" "start" "-a" "1157c4f3575a96c28be99b16bd6666420e342fbc73c0927988fcada6dc9db8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1157c4f3575a96c28be99b16bd6666420e342fbc73c0927988fcada6dc9db8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1157c4f3575a96c28be99b16bd6666420e342fbc73c0927988fcada6dc9db8bd", kill_on_drop: false }`
[INFO] [stdout] 1157c4f3575a96c28be99b16bd6666420e342fbc73c0927988fcada6dc9db8bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4b59a31dc29952c3ca39347a1a556e13fd96958e0a0e5922d07ffe73bb177b
[INFO] running `Command { std: "docker" "start" "-a" "bf4b59a31dc29952c3ca39347a1a556e13fd96958e0a0e5922d07ffe73bb177b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
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[INFO] [stderr]    Compiling gio v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]     Checking itoa v0.4.8
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling pangocairo-sys v0.14.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
[INFO] [stderr]    Compiling atk-sys v0.14.0
[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]     Checking glib v0.14.5
[INFO] [stderr]     Checking pango v0.14.3
[INFO] [stderr]     Checking cairo-rs v0.14.7
[INFO] [stderr]     Checking atk v0.14.0
[INFO] [stderr]     Checking pangocairo v0.14.0
[INFO] [stderr]     Checking n18hex v0.1.0
[INFO] [stderr]     Checking n18tile v0.1.0
[INFO] [stderr]     Checking n18token v0.1.0
[INFO] [stderr]     Checking n18catalogue v0.1.0
[INFO] [stderr]     Checking n18map v0.1.0
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[INFO] [stderr]     Checking n18game v0.1.0
[INFO] [stderr]     Checking n18brush v0.1.0
[INFO] [stderr]     Checking n18io v0.1.0
[INFO] [stderr]     Checking n18example v0.1.0
[INFO] [stderr]     Checking gdk-pixbuf v0.14.0
[INFO] [stderr]     Checking gdk v0.14.2
[INFO] [stderr]     Checking n18ui v0.1.0
[INFO] [stderr]     Checking navig18xx v0.1.0
[INFO] [stderr]     Checking rusty-train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/bin/rusty_train.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/bin/rusty_train.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "bf4b59a31dc29952c3ca39347a1a556e13fd96958e0a0e5922d07ffe73bb177b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4b59a31dc29952c3ca39347a1a556e13fd96958e0a0e5922d07ffe73bb177b", kill_on_drop: false }`
[INFO] [stdout] bf4b59a31dc29952c3ca39347a1a556e13fd96958e0a0e5922d07ffe73bb177b