[INFO] updating cached repository https://github.com/swlody/again
[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] 90dd5b5f1a0857413a214ba5081a47eefc0322c3
[INFO] testing swlody/again against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlody%2Fagain" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swlody/again on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swlody/again
[INFO] finished tweaking git repo https://github.com/swlody/again
[INFO] tweaked toml for git repo https://github.com/swlody/again written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/swlody/again already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b70c51de58e8d7aff9a97f12b36ce735fb8b778dbcd186bf21ed9348ad82161
[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" "2b70c51de58e8d7aff9a97f12b36ce735fb8b778dbcd186bf21ed9348ad82161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b70c51de58e8d7aff9a97f12b36ce735fb8b778dbcd186bf21ed9348ad82161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b70c51de58e8d7aff9a97f12b36ce735fb8b778dbcd186bf21ed9348ad82161", kill_on_drop: false }`
[INFO] [stdout] 2b70c51de58e8d7aff9a97f12b36ce735fb8b778dbcd186bf21ed9348ad82161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c495e37040616d6c887cb3b3b797e13cfbbbfaa85cb57fad64e20f31d40520cf
[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" "c495e37040616d6c887cb3b3b797e13cfbbbfaa85cb57fad64e20f31d40520cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling again v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[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: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c495e37040616d6c887cb3b3b797e13cfbbbfaa85cb57fad64e20f31d40520cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c495e37040616d6c887cb3b3b797e13cfbbbfaa85cb57fad64e20f31d40520cf", kill_on_drop: false }`
[INFO] [stdout] c495e37040616d6c887cb3b3b797e13cfbbbfaa85cb57fad64e20f31d40520cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9b6afdcc8b9fb55a4fb0199a07041bc5a2d7817a2a5635854f5c8d39997b74
[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" "cd9b6afdcc8b9fb55a4fb0199a07041bc5a2d7817a2a5635854f5c8d39997b74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling again v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[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: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "cd9b6afdcc8b9fb55a4fb0199a07041bc5a2d7817a2a5635854f5c8d39997b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9b6afdcc8b9fb55a4fb0199a07041bc5a2d7817a2a5635854f5c8d39997b74", kill_on_drop: false }`
[INFO] [stdout] cd9b6afdcc8b9fb55a4fb0199a07041bc5a2d7817a2a5635854f5c8d39997b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ffbbb5e89276100d693dce78480b8ff311f7b8f21cbe8e850930ff2162f1e51
[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" "0ffbbb5e89276100d693dce78480b8ff311f7b8f21cbe8e850930ff2162f1e51", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stderr]   --> src/game.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct DisplayBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step_render`
[INFO] [stderr]   --> src/game.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SoundBuffer`
[INFO] [stderr]   --> src/game.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct SoundBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render_sound`
[INFO] [stderr]   --> src/game.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_and_render`
[INFO] [stderr]   --> src/game.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn update_and_render(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/again-4b43ef2fd17f9221
[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" "0ffbbb5e89276100d693dce78480b8ff311f7b8f21cbe8e850930ff2162f1e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffbbb5e89276100d693dce78480b8ff311f7b8f21cbe8e850930ff2162f1e51", kill_on_drop: false }`
[INFO] [stdout] 0ffbbb5e89276100d693dce78480b8ff311f7b8f21cbe8e850930ff2162f1e51