[INFO] cloning repository https://github.com/orangle/rust-startup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orangle/rust-startup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forangle%2Frust-startup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forangle%2Frust-startup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 381517e9e0f41e87d08179140c420d04260e6015
[INFO] checking orangle/rust-startup against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forangle%2Frust-startup" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orangle/rust-startup on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/orangle/rust-startup
[INFO] finished tweaking git repo https://github.com/orangle/rust-startup
[INFO] tweaked toml for git repo https://github.com/orangle/rust-startup written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/orangle/rust-startup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a434016db419d7a1b86f5ba6ea58cbe01c7c9a418b638f588921d9750d6b6ef
[INFO] running `Command { std: "docker" "start" "-a" "1a434016db419d7a1b86f5ba6ea58cbe01c7c9a418b638f588921d9750d6b6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a434016db419d7a1b86f5ba6ea58cbe01c7c9a418b638f588921d9750d6b6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a434016db419d7a1b86f5ba6ea58cbe01c7c9a418b638f588921d9750d6b6ef", kill_on_drop: false }`
[INFO] [stdout] 1a434016db419d7a1b86f5ba6ea58cbe01c7c9a418b638f588921d9750d6b6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2449f0a21e8ad6b8bc127c83d07d384c72fcf2fc083b4624efdeccc1d5cd185
[INFO] running `Command { std: "docker" "start" "-a" "e2449f0a21e8ad6b8bc127c83d07d384c72fcf2fc083b4624efdeccc1d5cd185", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking chaos_test v0.1.0 (/opt/rustwide/workdir/chaos_test)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stdout] warning: enum is never used: `ConnectionState`
[INFO] [stdout]  --> variables/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfOpen`
[INFO] [stdout]  --> variables/src/types.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct HalfOpen{}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullSession`
[INFO] [stdout]   --> variables/src/types.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct FullSession{}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> variables/src/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Unknown = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Male`
[INFO] [stdout]   --> variables/src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Male = 1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Female`
[INFO] [stdout]   --> variables/src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Female = 2,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> variables/src/types.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     name: String, 
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> variables/src/types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     age: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gender`
[INFO] [stdout]   --> variables/src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gender: Gender
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] warning: enum is never used: `ConnectionState`
[INFO] [stdout]  --> variables/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfOpen`
[INFO] [stdout]  --> variables/src/types.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct HalfOpen{}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullSession`
[INFO] [stdout]   --> variables/src/types.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct FullSession{}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> variables/src/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Unknown = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Male`
[INFO] [stdout]   --> variables/src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Male = 1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Female`
[INFO] [stdout]   --> variables/src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Female = 2,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> variables/src/types.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     name: String, 
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> variables/src/types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     age: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gender`
[INFO] [stdout]   --> variables/src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gender: Gender
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking training_code v0.1.0 (/opt/rustwide/workdir/training_code)
[INFO] [stdout] warning: field is never read: `permit`
[INFO] [stdout]  --> training_code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tickets`
[INFO] [stdout]   --> training_code/src/ticket.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let tickets: Vec<Ticket> = (0..49).map(|_i|museum.get_ticket().unwrap()).collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tickets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `permit`
[INFO] [stdout]  --> training_code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir/hello-rust)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> hello-rust/src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, warn};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> hello-rust/src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, warn};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.54s
[INFO] running `Command { std: "docker" "inspect" "e2449f0a21e8ad6b8bc127c83d07d384c72fcf2fc083b4624efdeccc1d5cd185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2449f0a21e8ad6b8bc127c83d07d384c72fcf2fc083b4624efdeccc1d5cd185", kill_on_drop: false }`
[INFO] [stdout] e2449f0a21e8ad6b8bc127c83d07d384c72fcf2fc083b4624efdeccc1d5cd185