[INFO] updating cached repository https://github.com/Arekkusuva/try-rust
[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] 453065a21eca81b37b0511d5558c30272c961d5c
[INFO] testing Arekkusuva/try-rust 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%2FArekkusuva%2Ftry-rust" "/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/Arekkusuva/try-rust 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/Arekkusuva/try-rust
[INFO] finished tweaking git repo https://github.com/Arekkusuva/try-rust
[INFO] tweaked toml for git repo https://github.com/Arekkusuva/try-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Arekkusuva/try-rust 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] [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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfa8391f9f5fe469083d21aea13d3531a1da643157675a12849eac4081e68b9
[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" "dcfa8391f9f5fe469083d21aea13d3531a1da643157675a12849eac4081e68b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfa8391f9f5fe469083d21aea13d3531a1da643157675a12849eac4081e68b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfa8391f9f5fe469083d21aea13d3531a1da643157675a12849eac4081e68b9", kill_on_drop: false }`
[INFO] [stdout] dcfa8391f9f5fe469083d21aea13d3531a1da643157675a12849eac4081e68b9
[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=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] 4833a40431af6748306027ab18232aacc2e3a4d8932e069e7412495c11ac0d24
[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" "4833a40431af6748306027ab18232aacc2e3a4d8932e069e7412495c11ac0d24", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling serde v1.0.39
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.39
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling serde-value v0.5.2
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.15
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling log4rs v0.8.0
[INFO] [stderr]    Compiling zoma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/watcher.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stdout]    |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "4833a40431af6748306027ab18232aacc2e3a4d8932e069e7412495c11ac0d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4833a40431af6748306027ab18232aacc2e3a4d8932e069e7412495c11ac0d24", kill_on_drop: false }`
[INFO] [stdout] 4833a40431af6748306027ab18232aacc2e3a4d8932e069e7412495c11ac0d24
[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=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] c425d20289bc210870a350cb9940cb9e16e299975f1aa77bbfe844998865c526
[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" "c425d20289bc210870a350cb9940cb9e16e299975f1aa77bbfe844998865c526", kill_on_drop: false }`
[INFO] [stderr]    Compiling zoma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/watcher.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_name`
[INFO] [stdout]   --> src/watcher.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stdout]    |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c425d20289bc210870a350cb9940cb9e16e299975f1aa77bbfe844998865c526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c425d20289bc210870a350cb9940cb9e16e299975f1aa77bbfe844998865c526", kill_on_drop: false }`
[INFO] [stdout] c425d20289bc210870a350cb9940cb9e16e299975f1aa77bbfe844998865c526
[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=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] a539dc59c6e95ef2eeb44a77e16a797379d37c0395113c75ce9a3b2eb8b97fa9
[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" "a539dc59c6e95ef2eeb44a77e16a797379d37c0395113c75ce9a3b2eb8b97fa9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/watcher.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn update(&mut self, c: conf::Config) {
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn start(&mut self, task_name: String) {
[INFO] [stderr]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn stop(&mut self, task_name: String) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task_name`
[INFO] [stderr]   --> src/watcher.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn status(&self, task_name: String) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_name`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zoma-c918346c867701d8
[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" "a539dc59c6e95ef2eeb44a77e16a797379d37c0395113c75ce9a3b2eb8b97fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a539dc59c6e95ef2eeb44a77e16a797379d37c0395113c75ce9a3b2eb8b97fa9", kill_on_drop: false }`
[INFO] [stdout] a539dc59c6e95ef2eeb44a77e16a797379d37c0395113c75ce9a3b2eb8b97fa9