[INFO] cloning repository https://github.com/edwmorgan/rslox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwmorgan/rslox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwmorgan%2Frslox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwmorgan%2Frslox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6effbac7261d4180bd0e33156080f7e133982362
[INFO] checking edwmorgan/rslox against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwmorgan%2Frslox" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwmorgan/rslox on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwmorgan/rslox
[INFO] finished tweaking git repo https://github.com/edwmorgan/rslox
[INFO] tweaked toml for git repo https://github.com/edwmorgan/rslox written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/edwmorgan/rslox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85617e4b840c55b9878d16d698f86ec8cd6777251aea38bb6c976a97987492c6
[INFO] running `Command { std: "docker" "start" "-a" "85617e4b840c55b9878d16d698f86ec8cd6777251aea38bb6c976a97987492c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85617e4b840c55b9878d16d698f86ec8cd6777251aea38bb6c976a97987492c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85617e4b840c55b9878d16d698f86ec8cd6777251aea38bb6c976a97987492c6", kill_on_drop: false }`
[INFO] [stdout] 85617e4b840c55b9878d16d698f86ec8cd6777251aea38bb6c976a97987492c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc77e6b2bb104008d9ecce9b5a073b3b9db288545e7c3df5777dbe2aad65b07
[INFO] running `Command { std: "docker" "start" "-a" "4fc77e6b2bb104008d9ecce9b5a073b3b9db288545e7c3df5777dbe2aad65b07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rslox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]  --> src/scanner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     source: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenType`
[INFO] [stdout]   --> src/scanner.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum TokenType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]  --> src/scanner.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     source: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenType`
[INFO] [stdout]   --> src/scanner.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum TokenType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "4fc77e6b2bb104008d9ecce9b5a073b3b9db288545e7c3df5777dbe2aad65b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc77e6b2bb104008d9ecce9b5a073b3b9db288545e7c3df5777dbe2aad65b07", kill_on_drop: false }`
[INFO] [stdout] 4fc77e6b2bb104008d9ecce9b5a073b3b9db288545e7c3df5777dbe2aad65b07