[INFO] cloning repository https://github.com/alisyahidin/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alisyahidin/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39e06a4c47405f6bd1d3bfee0b1d08a704491315
[INFO] testing alisyahidin/learn-rust against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] finished tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] tweaked toml for git repo https://github.com/alisyahidin/learn-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alisyahidin/learn-rust on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alisyahidin/learn-rust 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing alisyahidin/learn-rust against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] finished tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] tweaked toml for git repo https://github.com/alisyahidin/learn-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alisyahidin/learn-rust on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alisyahidin/learn-rust 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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 ppv-lite86 v0.2.14
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932a37292999827a3b95dac0956e310d24a2ed540130781f09f6b760bdea3370
[INFO] running `Command { std: "docker" "start" "-a" "932a37292999827a3b95dac0956e310d24a2ed540130781f09f6b760bdea3370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932a37292999827a3b95dac0956e310d24a2ed540130781f09f6b760bdea3370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932a37292999827a3b95dac0956e310d24a2ed540130781f09f6b760bdea3370", kill_on_drop: false }`
[INFO] [stdout] 932a37292999827a3b95dac0956e310d24a2ed540130781f09f6b760bdea3370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2964105e2137e3dd02bf1115a9c8fa7b3cda61a3517d666c9e1f7f9d9b24685
[INFO] running `Command { std: "docker" "start" "-a" "b2964105e2137e3dd02bf1115a9c8fa7b3cda61a3517d666c9e1f7f9d9b24685", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct Address(f32, f32, f32);
[INFO] [stdout]    |        -------      ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 87 - struct Address(f32, f32, f32);
[INFO] [stdout] 87 + struct Address(f32, (), f32);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]    --> src/main.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum Day {
[INFO] [stdout]     |      --- variants in this enum
[INFO] [stdout] 127 |     Monday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 128 |     Tuesday,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 129 |     Wednesday,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 130 |     Thursday,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Friday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     Saturday,
[INFO] [stdout] 133 |     Sunday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "b2964105e2137e3dd02bf1115a9c8fa7b3cda61a3517d666c9e1f7f9d9b24685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2964105e2137e3dd02bf1115a9c8fa7b3cda61a3517d666c9e1f7f9d9b24685", kill_on_drop: false }`
[INFO] [stdout] b2964105e2137e3dd02bf1115a9c8fa7b3cda61a3517d666c9e1f7f9d9b24685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f73820ddfe68843fdc598c18b8c0bb36e0672c7f73a1c59f74d0e06fdb471a2
[INFO] running `Command { std: "docker" "start" "-a" "3f73820ddfe68843fdc598c18b8c0bb36e0672c7f73a1c59f74d0e06fdb471a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct Address(f32, f32, f32);
[INFO] [stdout]    |        -------      ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 87 - struct Address(f32, f32, f32);
[INFO] [stdout] 87 + struct Address(f32, (), f32);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]    --> src/main.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum Day {
[INFO] [stdout]     |      --- variants in this enum
[INFO] [stdout] 127 |     Monday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 128 |     Tuesday,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 129 |     Wednesday,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 130 |     Thursday,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Friday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     Saturday,
[INFO] [stdout] 133 |     Sunday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3f73820ddfe68843fdc598c18b8c0bb36e0672c7f73a1c59f74d0e06fdb471a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f73820ddfe68843fdc598c18b8c0bb36e0672c7f73a1c59f74d0e06fdb471a2", kill_on_drop: false }`
[INFO] [stdout] 3f73820ddfe68843fdc598c18b8c0bb36e0672c7f73a1c59f74d0e06fdb471a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f37a42e2c26e0539490860a04112c9fce917972594c244d7dd11f83fc1ea812
[INFO] running `Command { std: "docker" "start" "-a" "4f37a42e2c26e0539490860a04112c9fce917972594c244d7dd11f83fc1ea812", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/main.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 | struct Address(f32, f32, f32);
[INFO] [stderr]    |        -------      ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 87 - struct Address(f32, f32, f32);
[INFO] [stderr] 87 + struct Address(f32, (), f32);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stderr]    --> src/main.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | enum Day {
[INFO] [stderr]     |      --- variants in this enum
[INFO] [stderr] 127 |     Monday,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 128 |     Tuesday,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 129 |     Wednesday,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 130 |     Thursday,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 131 |     Friday,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 132 |     Saturday,
[INFO] [stderr] 133 |     Sunday,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-0aef3a1a85152048)
[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" "4f37a42e2c26e0539490860a04112c9fce917972594c244d7dd11f83fc1ea812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f37a42e2c26e0539490860a04112c9fce917972594c244d7dd11f83fc1ea812", kill_on_drop: false }`
[INFO] [stdout] 4f37a42e2c26e0539490860a04112c9fce917972594c244d7dd11f83fc1ea812