[INFO] fetching crate vdash 0.5.1...
[INFO] checking vdash-0.5.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate vdash 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vdash 0.5.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vdash 0.5.1
[INFO] finished tweaking crates.io crate vdash 0.5.1
[INFO] tweaked toml for crates.io crate vdash 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vdash 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c71c2adaa0f873e64bae67ce49d7643c0ccded8fe558f43feb3969b589b492f3
[INFO] running `Command { std: "docker" "start" "-a" "c71c2adaa0f873e64bae67ce49d7643c0ccded8fe558f43feb3969b589b492f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71c2adaa0f873e64bae67ce49d7643c0ccded8fe558f43feb3969b589b492f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71c2adaa0f873e64bae67ce49d7643c0ccded8fe558f43feb3969b589b492f3", kill_on_drop: false }`
[INFO] [stdout] c71c2adaa0f873e64bae67ce49d7643c0ccded8fe558f43feb3969b589b492f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a1a225c628d31bd98c5fcfb47b2a8411883b6da2de6b32e66d24bad4c5ebb0
[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" "47a1a225c628d31bd98c5fcfb47b2a8411883b6da2de6b32e66d24bad4c5ebb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tui v0.11.0
[INFO] [stderr]     Checking notify v5.0.0-pre.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking linemux v0.1.3
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking vdash v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-termion.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 |             (e) = events_future => {
[INFO] [stdout]     |             ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-termion.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 |             (line) = logfiles_future => {
[INFO] [stdout]     |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/bin/logtail-crossterm.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 |             (e) = events_future => {
[INFO] [stdout]    |             ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 |             (line) = logfiles_future => {
[INFO] [stdout]     |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/bin/logtail-crossterm.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 |             (e) = events_future => {
[INFO] [stdout]    |             ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 |             (line) = logfiles_future => {
[INFO] [stdout]     |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-termion.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 |             (e) = events_future => {
[INFO] [stdout]     |             ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/bin/logtail-termion.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 |             (line) = logfiles_future => {
[INFO] [stdout]     |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:138:6
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     terminal.draw(|f| draw_dashboard(f, &mut app));
[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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:197:6
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     tx.send(Event::Input(key));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 tx.send(Event::Tick);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:138:6
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     terminal.draw(|f| draw_dashboard(f, &mut app));
[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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:197:6
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     tx.send(Event::Input(key));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/logtail-crossterm.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 tx.send(Event::Tick);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.86s
[INFO] running `Command { std: "docker" "inspect" "47a1a225c628d31bd98c5fcfb47b2a8411883b6da2de6b32e66d24bad4c5ebb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a1a225c628d31bd98c5fcfb47b2a8411883b6da2de6b32e66d24bad4c5ebb0", kill_on_drop: false }`
[INFO] [stdout] 47a1a225c628d31bd98c5fcfb47b2a8411883b6da2de6b32e66d24bad4c5ebb0