[INFO] cloning repository https://github.com/peterthejohnston/loxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterthejohnston/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50a0a6f0f836458901cb2747fd13c80668fb6e9c
[INFO] checking peterthejohnston/loxr against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] finished tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] tweaked toml for git repo https://github.com/peterthejohnston/loxr written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peterthejohnston/loxr on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peterthejohnston/loxr 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e273bac18cf891c1e22ed3d49955ddc62549cc195f3a6ed60b392fb7df4f1ab
[INFO] running `Command { std: "docker" "start" "-a" "8e273bac18cf891c1e22ed3d49955ddc62549cc195f3a6ed60b392fb7df4f1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e273bac18cf891c1e22ed3d49955ddc62549cc195f3a6ed60b392fb7df4f1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e273bac18cf891c1e22ed3d49955ddc62549cc195f3a6ed60b392fb7df4f1ab", kill_on_drop: false }`
[INFO] [stdout] 8e273bac18cf891c1e22ed3d49955ddc62549cc195f3a6ed60b392fb7df4f1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf1304f1c759faaa8d1362f19ff7971638f9c1f3ea5ee1245c9afe8f6d542f5c
[INFO] running `Command { std: "docker" "start" "-a" "cf1304f1c759faaa8d1362f19ff7971638f9c1f3ea5ee1245c9afe8f6d542f5c", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Tombstone` is never constructed
[INFO] [stdout]   --> src/table.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Slot {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 21 |     Empty,
[INFO] [stdout] 22 |     Tombstone, // Marks deleted entries
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]    --> src/table.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl Table {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn delete(&mut self, key: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_MAX` is never used
[INFO] [stdout]  --> src/vm.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_MAX` is never used
[INFO] [stdout]  --> src/vm.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn new(source: &'a str) -> Parser {
[INFO] [stdout]     |                         ^^         ------ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn new(source: &'a str) -> Parser<'a> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn new(source: &'a str) -> Parser {
[INFO] [stdout]     |                         ^^         ------ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn new(source: &'a str) -> Parser<'a> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "cf1304f1c759faaa8d1362f19ff7971638f9c1f3ea5ee1245c9afe8f6d542f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1304f1c759faaa8d1362f19ff7971638f9c1f3ea5ee1245c9afe8f6d542f5c", kill_on_drop: false }`
[INFO] [stdout] cf1304f1c759faaa8d1362f19ff7971638f9c1f3ea5ee1245c9afe8f6d542f5c