[INFO] cloning repository https://github.com/JacoMalan1/backdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacoMalan1/backdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a748f76410493f22a2700d9b1ff501b054e7291
[INFO] testing JacoMalan1/backdown against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacoMalan1%2Fbackdown" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacoMalan1/backdown on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JacoMalan1/backdown
[INFO] finished tweaking git repo https://github.com/JacoMalan1/backdown
[INFO] tweaked toml for git repo https://github.com/JacoMalan1/backdown written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JacoMalan1/backdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15b1375804deff5b848a7a17555b14d3c2b6dc50c5d96ca51eb67c01db22570e
[INFO] running `Command { std: "docker" "start" "-a" "15b1375804deff5b848a7a17555b14d3c2b6dc50c5d96ca51eb67c01db22570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b1375804deff5b848a7a17555b14d3c2b6dc50c5d96ca51eb67c01db22570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b1375804deff5b848a7a17555b14d3c2b6dc50c5d96ca51eb67c01db22570e", kill_on_drop: false }`
[INFO] [stdout] 15b1375804deff5b848a7a17555b14d3c2b6dc50c5d96ca51eb67c01db22570e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72dd3728fb8cb2a528fc92fa5314e8d66c2b9916374d1170dda34293884bfcc6
[INFO] running `Command { std: "docker" "start" "-a" "72dd3728fb8cb2a528fc92fa5314e8d66c2b9916374d1170dda34293884bfcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling tokio v1.38.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling sha256 v1.5.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling vertebrae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/worker/intent.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkerIntent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerIntent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_stale` is never used
[INFO] [stdout]   --> src/worker/intent.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl IntentList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn remove_stale(&self, max_age: Duration) -> Vec<WorkerIntent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "72dd3728fb8cb2a528fc92fa5314e8d66c2b9916374d1170dda34293884bfcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72dd3728fb8cb2a528fc92fa5314e8d66c2b9916374d1170dda34293884bfcc6", kill_on_drop: false }`
[INFO] [stdout] 72dd3728fb8cb2a528fc92fa5314e8d66c2b9916374d1170dda34293884bfcc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a408c0e027eb97495962e9a7459a8191fb15d1e510ae7e564231f7c4a00e5b6
[INFO] running `Command { std: "docker" "start" "-a" "9a408c0e027eb97495962e9a7459a8191fb15d1e510ae7e564231f7c4a00e5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling vertebrae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/worker/intent.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WorkerIntent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerIntent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_stale` is never used
[INFO] [stdout]   --> src/worker/intent.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl IntentList {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn remove_stale(&self, max_age: Duration) -> Vec<WorkerIntent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9a408c0e027eb97495962e9a7459a8191fb15d1e510ae7e564231f7c4a00e5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a408c0e027eb97495962e9a7459a8191fb15d1e510ae7e564231f7c4a00e5b6", kill_on_drop: false }`
[INFO] [stdout] 9a408c0e027eb97495962e9a7459a8191fb15d1e510ae7e564231f7c4a00e5b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9355b401d60fe530a4d8dfe9251e1fd28592719c5e14625ea245febf10857a24
[INFO] running `Command { std: "docker" "start" "-a" "9355b401d60fe530a4d8dfe9251e1fd28592719c5e14625ea245febf10857a24", kill_on_drop: false }`
[INFO] [stderr] warning: field `timestamp` is never read
[INFO] [stderr]   --> src/worker/intent.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct WorkerIntent {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub timestamp: SystemTime,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkerIntent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `remove_stale` is never used
[INFO] [stderr]   --> src/worker/intent.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl IntentList {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn remove_stale(&self, max_age: Duration) -> Vec<WorkerIntent> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vertebrae` (bin "vertebraed" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vertebraed-1db406600148b6ed)
[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" "9355b401d60fe530a4d8dfe9251e1fd28592719c5e14625ea245febf10857a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9355b401d60fe530a4d8dfe9251e1fd28592719c5e14625ea245febf10857a24", kill_on_drop: false }`
[INFO] [stdout] 9355b401d60fe530a4d8dfe9251e1fd28592719c5e14625ea245febf10857a24