[INFO] cloning repository https://github.com/Tak-Iwamoto/syn-parse-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tak-Iwamoto/syn-parse-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTak-Iwamoto%2Fsyn-parse-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTak-Iwamoto%2Fsyn-parse-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee0c927a458b243930aca5036d51be28ff59ccf8
[INFO] testing Tak-Iwamoto/syn-parse-experiment against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTak-Iwamoto%2Fsyn-parse-experiment" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tak-Iwamoto/syn-parse-experiment on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tak-Iwamoto/syn-parse-experiment
[INFO] finished tweaking git repo https://github.com/Tak-Iwamoto/syn-parse-experiment
[INFO] tweaked toml for git repo https://github.com/Tak-Iwamoto/syn-parse-experiment written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Tak-Iwamoto/syn-parse-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] 3bca4a493e79ddc82f054d699b66a1edff8376d5eb745a222b49fe63f1d6fbe7
[INFO] running `Command { std: "docker" "start" "-a" "3bca4a493e79ddc82f054d699b66a1edff8376d5eb745a222b49fe63f1d6fbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bca4a493e79ddc82f054d699b66a1edff8376d5eb745a222b49fe63f1d6fbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bca4a493e79ddc82f054d699b66a1edff8376d5eb745a222b49fe63f1d6fbe7", kill_on_drop: false }`
[INFO] [stdout] 3bca4a493e79ddc82f054d699b66a1edff8376d5eb745a222b49fe63f1d6fbe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", 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] 7e203f836a26fbe570e3615e668a6f11bf58c92ef5f1423bed05caec04034aa5
[INFO] running `Command { std: "docker" "start" "-a" "7e203f836a26fbe570e3615e668a6f11bf58c92ef5f1423bed05caec04034aa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling syn-parse-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Droid`
[INFO] [stdout]  --> src/droid.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Droid {
[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: `id`
[INFO] [stdout]  --> src/droid.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub async fn id(&self) -> i32 {
[INFO] [stdout]   |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/droid.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub async fn name(&self) -> String {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Todo`
[INFO] [stdout]   --> src/droid.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Todo {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "7e203f836a26fbe570e3615e668a6f11bf58c92ef5f1423bed05caec04034aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e203f836a26fbe570e3615e668a6f11bf58c92ef5f1423bed05caec04034aa5", kill_on_drop: false }`
[INFO] [stdout] 7e203f836a26fbe570e3615e668a6f11bf58c92ef5f1423bed05caec04034aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 8d114093ec0c28265f762d576a1667779c96bc53d17a6b60ced2e530f9d4c664
[INFO] running `Command { std: "docker" "start" "-a" "8d114093ec0c28265f762d576a1667779c96bc53d17a6b60ced2e530f9d4c664", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn-parse-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Droid`
[INFO] [stdout]  --> src/droid.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Droid {
[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: `id`
[INFO] [stdout]  --> src/droid.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub async fn id(&self) -> i32 {
[INFO] [stdout]   |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/droid.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub async fn name(&self) -> String {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Todo`
[INFO] [stdout]   --> src/droid.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Todo {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "8d114093ec0c28265f762d576a1667779c96bc53d17a6b60ced2e530f9d4c664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d114093ec0c28265f762d576a1667779c96bc53d17a6b60ced2e530f9d4c664", kill_on_drop: false }`
[INFO] [stdout] 8d114093ec0c28265f762d576a1667779c96bc53d17a6b60ced2e530f9d4c664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01efdb1c30fee8443b8298b72d1de1939c73633c7e9c80a0f4af4ace3a51b01a
[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" "01efdb1c30fee8443b8298b72d1de1939c73633c7e9c80a0f4af4ace3a51b01a", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Droid`
[INFO] [stderr]  --> src/droid.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Droid {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `id`
[INFO] [stderr]  --> src/droid.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub async fn id(&self) -> i32 {
[INFO] [stderr]   |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]   --> src/droid.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub async fn name(&self) -> String {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Todo`
[INFO] [stderr]   --> src/droid.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Todo {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `syn-parse-experiment` (bin "syn-parse-experiment" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_parse_experiment-d1ef345741fdd16e)
[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" "01efdb1c30fee8443b8298b72d1de1939c73633c7e9c80a0f4af4ace3a51b01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01efdb1c30fee8443b8298b72d1de1939c73633c7e9c80a0f4af4ace3a51b01a", kill_on_drop: false }`
[INFO] [stdout] 01efdb1c30fee8443b8298b72d1de1939c73633c7e9c80a0f4af4ace3a51b01a