[INFO] cloning 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" "clone" "--bare" "https://github.com/Arekkusuva/try-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekkusuva%2Ftry-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekkusuva%2Ftry-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 453065a21eca81b37b0511d5558c30272c961d5c
[INFO] testing Arekkusuva/try-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArekkusuva%2Ftry-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arekkusuva/try-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded serde-value v0.5.2
[INFO] [stderr]   Downloaded cc v1.0.10
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.15
[INFO] [stderr]   Downloaded serde v1.0.39
[INFO] [stderr]   Downloaded log4rs v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c1627fab7e4b063f63c8e779e6684cd440fc860b044272124faa0fbe5f15714
[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" "6c1627fab7e4b063f63c8e779e6684cd440fc860b044272124faa0fbe5f15714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1627fab7e4b063f63c8e779e6684cd440fc860b044272124faa0fbe5f15714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1627fab7e4b063f63c8e779e6684cd440fc860b044272124faa0fbe5f15714", kill_on_drop: false }`
[INFO] [stdout] 6c1627fab7e4b063f63c8e779e6684cd440fc860b044272124faa0fbe5f15714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf875832c611a54695a10cde86d9bb5e8a969ceea2da8bdd326ca18942874c2
[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" "ddf875832c611a54695a10cde86d9bb5e8a969ceea2da8bdd326ca18942874c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.39
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling typemap v0.3.3
[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 chrono v0.4.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[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 serde_yaml v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.15
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling serde-value v0.5.2
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.25s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddf875832c611a54695a10cde86d9bb5e8a969ceea2da8bdd326ca18942874c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf875832c611a54695a10cde86d9bb5e8a969ceea2da8bdd326ca18942874c2", kill_on_drop: false }`
[INFO] [stdout] ddf875832c611a54695a10cde86d9bb5e8a969ceea2da8bdd326ca18942874c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c82f6b4d772b31b4a0eb3bf7c30c5890ba4a4ef8635711d38901bb327e57eb
[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" "87c82f6b4d772b31b4a0eb3bf7c30c5890ba4a4ef8635711d38901bb327e57eb", 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "87c82f6b4d772b31b4a0eb3bf7c30c5890ba4a4ef8635711d38901bb327e57eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c82f6b4d772b31b4a0eb3bf7c30c5890ba4a4ef8635711d38901bb327e57eb", kill_on_drop: false }`
[INFO] [stdout] 87c82f6b4d772b31b4a0eb3bf7c30c5890ba4a4ef8635711d38901bb327e57eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] fcd26d81a2888aededb7eee957d2fd8bdcc5c743a188e317f996c9fc67c57072
[INFO] running `Command { std: "docker" "start" "-a" "fcd26d81a2888aededb7eee957d2fd8bdcc5c743a188e317f996c9fc67c57072", 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 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zoma-0ec09e1c63050e7c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcd26d81a2888aededb7eee957d2fd8bdcc5c743a188e317f996c9fc67c57072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd26d81a2888aededb7eee957d2fd8bdcc5c743a188e317f996c9fc67c57072", kill_on_drop: false }`
[INFO] [stdout] fcd26d81a2888aededb7eee957d2fd8bdcc5c743a188e317f996c9fc67c57072