[INFO] cloning repository https://github.com/handsomefox/rust-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/handsomefox/rust-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhandsomefox%2Frust-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhandsomefox%2Frust-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b0c041a1059ad79795c09abffb43bd49abcceb0
[INFO] testing handsomefox/rust-app against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhandsomefox%2Frust-app" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/handsomefox/rust-app on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/handsomefox/rust-app
[INFO] finished tweaking git repo https://github.com/handsomefox/rust-app
[INFO] tweaked toml for git repo https://github.com/handsomefox/rust-app written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/handsomefox/rust-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cdab6eb60d46354eec2acf432887bb813982846254db3afdc0a42f394c06a4e
[INFO] running `Command { std: "docker" "start" "-a" "1cdab6eb60d46354eec2acf432887bb813982846254db3afdc0a42f394c06a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cdab6eb60d46354eec2acf432887bb813982846254db3afdc0a42f394c06a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdab6eb60d46354eec2acf432887bb813982846254db3afdc0a42f394c06a4e", kill_on_drop: false }`
[INFO] [stdout] 1cdab6eb60d46354eec2acf432887bb813982846254db3afdc0a42f394c06a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d034b88655040a667818a1219897a58121dde7507a485464fc077cdea60906ad
[INFO] running `Command { std: "docker" "start" "-a" "d034b88655040a667818a1219897a58121dde7507a485464fc077cdea60906ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling h2 v0.3.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling weather_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]  --> src/log.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TRACE,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FATAL`
[INFO] [stdout]   --> src/log.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FATAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ERROR`
[INFO] [stdout]   --> src/log.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ERROR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WARN`
[INFO] [stdout]   --> src/log.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     WARN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INFO`
[INFO] [stdout]   --> src/log.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     INFO,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ALL`
[INFO] [stdout]   --> src/log.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ALL,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `info`
[INFO] [stdout]   --> src/log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn info(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warn`
[INFO] [stdout]   --> src/log.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn warn(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/log.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn error(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fatal`
[INFO] [stdout]   --> src/log.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn fatal(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace`
[INFO] [stdout]   --> src/log.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn trace(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `Command { std: "docker" "inspect" "d034b88655040a667818a1219897a58121dde7507a485464fc077cdea60906ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d034b88655040a667818a1219897a58121dde7507a485464fc077cdea60906ad", kill_on_drop: false }`
[INFO] [stdout] d034b88655040a667818a1219897a58121dde7507a485464fc077cdea60906ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7274a65b8df514cafa50c150932fa9e62cdc7450218204b3f7195fd7b6b95058
[INFO] running `Command { std: "docker" "start" "-a" "7274a65b8df514cafa50c150932fa9e62cdc7450218204b3f7195fd7b6b95058", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling weather_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]  --> src/log.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TRACE,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FATAL`
[INFO] [stdout]   --> src/log.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FATAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ERROR`
[INFO] [stdout]   --> src/log.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ERROR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WARN`
[INFO] [stdout]   --> src/log.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     WARN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INFO`
[INFO] [stdout]   --> src/log.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     INFO,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ALL`
[INFO] [stdout]   --> src/log.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ALL,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `info`
[INFO] [stdout]   --> src/log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn info(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warn`
[INFO] [stdout]   --> src/log.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn warn(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/log.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn error(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fatal`
[INFO] [stdout]   --> src/log.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn fatal(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace`
[INFO] [stdout]   --> src/log.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn trace(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "7274a65b8df514cafa50c150932fa9e62cdc7450218204b3f7195fd7b6b95058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7274a65b8df514cafa50c150932fa9e62cdc7450218204b3f7195fd7b6b95058", kill_on_drop: false }`
[INFO] [stdout] 7274a65b8df514cafa50c150932fa9e62cdc7450218204b3f7195fd7b6b95058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffe3726dd9c37bd42b5f91e23286f7c27f3714138daef349b9f833768c60e696
[INFO] running `Command { std: "docker" "start" "-a" "ffe3726dd9c37bd42b5f91e23286f7c27f3714138daef349b9f833768c60e696", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `TRACE`
[INFO] [stderr]  --> src/log.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     TRACE,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FATAL`
[INFO] [stderr]   --> src/log.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     FATAL,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ERROR`
[INFO] [stderr]   --> src/log.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ERROR,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WARN`
[INFO] [stderr]   --> src/log.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     WARN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INFO`
[INFO] [stderr]   --> src/log.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     INFO,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ALL`
[INFO] [stderr]   --> src/log.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ALL,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `info`
[INFO] [stderr]   --> src/log.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn info(&self, message: &str) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn warn(&self, message: &str) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error`
[INFO] [stderr]   --> src/log.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn error(&self, message: &str) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fatal`
[INFO] [stderr]   --> src/log.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn fatal(&self, message: &str) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `trace`
[INFO] [stderr]   --> src/log.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn trace(&self, message: &str) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `weather_app` (bin "weather_app" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/weather_app-f42067b2734ccfec)
[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" "ffe3726dd9c37bd42b5f91e23286f7c27f3714138daef349b9f833768c60e696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe3726dd9c37bd42b5f91e23286f7c27f3714138daef349b9f833768c60e696", kill_on_drop: false }`
[INFO] [stdout] ffe3726dd9c37bd42b5f91e23286f7c27f3714138daef349b9f833768c60e696