[INFO] cloning repository https://github.com/mr-cob/rox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr-cob/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-cob%2Frox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-cob%2Frox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7194c2d50f841681bcef69d4a60e5639dc8908
[INFO] checking mr-cob/rox against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-cob%2Frox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mr-cob/rox on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mr-cob/rox
[INFO] finished tweaking git repo https://github.com/mr-cob/rox
[INFO] tweaked toml for git repo https://github.com/mr-cob/rox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mr-cob/rox 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81484827fca240ada6826d9d0937ad6c7d7bc4c6d3b734b72dba805b3dcd3fc1
[INFO] running `Command { std: "docker" "start" "-a" "81484827fca240ada6826d9d0937ad6c7d7bc4c6d3b734b72dba805b3dcd3fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81484827fca240ada6826d9d0937ad6c7d7bc4c6d3b734b72dba805b3dcd3fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81484827fca240ada6826d9d0937ad6c7d7bc4c6d3b734b72dba805b3dcd3fc1", kill_on_drop: false }`
[INFO] [stdout] 81484827fca240ada6826d9d0937ad6c7d7bc4c6d3b734b72dba805b3dcd3fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad79a5535cac5202831edcdd0021da2274e7294858370c799c33078808edb50
[INFO] running `Command { std: "docker" "start" "-a" "8ad79a5535cac5202831edcdd0021da2274e7294858370c799c33078808edb50", kill_on_drop: false }`
[INFO] [stderr]     Checking rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     String(String),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] 5 -     String(String),
[INFO] [stdout] 5 +     String(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Number(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Number(f64),
[INFO] [stdout] 6 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     String(String),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] 5 -     String(String),
[INFO] [stdout] 5 +     String(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Number(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Number(f64),
[INFO] [stdout] 6 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "8ad79a5535cac5202831edcdd0021da2274e7294858370c799c33078808edb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad79a5535cac5202831edcdd0021da2274e7294858370c799c33078808edb50", kill_on_drop: false }`
[INFO] [stdout] 8ad79a5535cac5202831edcdd0021da2274e7294858370c799c33078808edb50