[INFO] updating cached repository https://github.com/ahdinosaur/metronome
[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] 62baf61cb4dc0873e24a0d1abc854e622ff13743
[INFO] testing ahdinosaur/metronome against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahdinosaur%2Fmetronome" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahdinosaur/metronome on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahdinosaur/metronome
[INFO] finished tweaking git repo https://github.com/ahdinosaur/metronome
[INFO] tweaked toml for git repo https://github.com/ahdinosaur/metronome written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ahdinosaur/metronome already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab34e6fbcf76bfafcd7d4915be9a6905b744720569987b5101417767ed3421c
[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" "dab34e6fbcf76bfafcd7d4915be9a6905b744720569987b5101417767ed3421c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab34e6fbcf76bfafcd7d4915be9a6905b744720569987b5101417767ed3421c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab34e6fbcf76bfafcd7d4915be9a6905b744720569987b5101417767ed3421c", kill_on_drop: false }`
[INFO] [stdout] dab34e6fbcf76bfafcd7d4915be9a6905b744720569987b5101417767ed3421c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f95195862e70e8c46ba855955508e6d8ba5370a63f5394be326fe1e2880be5cd
[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" "f95195862e70e8c46ba855955508e6d8ba5370a63f5394be326fe1e2880be5cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling metronome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/interface.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             loop {
[INFO] [stdout] 41 | |                 let ch = ncurses::wget_wch(ncurses::stdscr());
[INFO] [stdout] 42 | |
[INFO] [stdout] 43 | |                 match ch {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |                 ncurses::refresh();
[INFO] [stdout] 76 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 79 |               ncurses::endwin();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for i in 0..ticks_since_beat.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         for i in 0..beats_since_bar.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for i in 0..bars_since_loop.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_tick`
[INFO] [stdout]    --> src/clock.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn is_first_tick (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_beat`
[INFO] [stdout]    --> src/clock.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn is_first_beat (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_bar`
[INFO] [stdout]    --> src/clock.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn is_first_bar (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "f95195862e70e8c46ba855955508e6d8ba5370a63f5394be326fe1e2880be5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95195862e70e8c46ba855955508e6d8ba5370a63f5394be326fe1e2880be5cd", kill_on_drop: false }`
[INFO] [stdout] f95195862e70e8c46ba855955508e6d8ba5370a63f5394be326fe1e2880be5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a84b22996f6ed9fed9964f22a38a65e5fdc232354f21e061e979199bddd5df
[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" "82a84b22996f6ed9fed9964f22a38a65e5fdc232354f21e061e979199bddd5df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metronome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/interface.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             loop {
[INFO] [stdout] 41 | |                 let ch = ncurses::wget_wch(ncurses::stdscr());
[INFO] [stdout] 42 | |
[INFO] [stdout] 43 | |                 match ch {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |                 ncurses::refresh();
[INFO] [stdout] 76 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 79 |               ncurses::endwin();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for i in 0..ticks_since_beat.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         for i in 0..beats_since_bar.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interface.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for i in 0..bars_since_loop.to_integer() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_tick`
[INFO] [stdout]    --> src/clock.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn is_first_tick (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_beat`
[INFO] [stdout]    --> src/clock.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn is_first_beat (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_bar`
[INFO] [stdout]    --> src/clock.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn is_first_bar (&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "82a84b22996f6ed9fed9964f22a38a65e5fdc232354f21e061e979199bddd5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a84b22996f6ed9fed9964f22a38a65e5fdc232354f21e061e979199bddd5df", kill_on_drop: false }`
[INFO] [stdout] 82a84b22996f6ed9fed9964f22a38a65e5fdc232354f21e061e979199bddd5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7dbc62d6372386b4bb311cef9609555218ff3a4c819785b529d6fbb94f37bc2d
[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" "7dbc62d6372386b4bb311cef9609555218ff3a4c819785b529d6fbb94f37bc2d", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/interface.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 40 | /             loop {
[INFO] [stderr] 41 | |                 let ch = ncurses::wget_wch(ncurses::stdscr());
[INFO] [stderr] 42 | |
[INFO] [stderr] 43 | |                 match ch {
[INFO] [stderr] ...  |
[INFO] [stderr] 75 | |                 ncurses::refresh();
[INFO] [stderr] 76 | |             }
[INFO] [stderr]    | |_____________- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 79 |               ncurses::endwin();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for i in 0..ticks_since_beat.to_integer() {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         for i in 0..beats_since_bar.to_integer() {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for i in 0..bars_since_loop.to_integer() {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_first_tick`
[INFO] [stderr]    --> src/clock.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn is_first_tick (&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_first_beat`
[INFO] [stderr]    --> src/clock.rs:141:12
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn is_first_beat (&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_first_bar`
[INFO] [stderr]    --> src/clock.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_first_bar (&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metronome-bf52ab440392a0dc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7dbc62d6372386b4bb311cef9609555218ff3a4c819785b529d6fbb94f37bc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbc62d6372386b4bb311cef9609555218ff3a4c819785b529d6fbb94f37bc2d", kill_on_drop: false }`
[INFO] [stdout] 7dbc62d6372386b4bb311cef9609555218ff3a4c819785b529d6fbb94f37bc2d