[INFO] cloning repository https://github.com/singalen/til-eval-lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singalen/til-eval-lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 779ece89ef6f19433bb475bfbd30982a5a8d5017
[INFO] checking singalen/til-eval-lifetimes against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/singalen/til-eval-lifetimes
[INFO] finished tweaking git repo https://github.com/singalen/til-eval-lifetimes
[INFO] tweaked toml for git repo https://github.com/singalen/til-eval-lifetimes written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/singalen/til-eval-lifetimes on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/singalen/til-eval-lifetimes 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe6a1c9b107be44d1a0c17efd9ecc4b3e099275de0b63e4c2e4ecd0e04eb7da3
[INFO] running `Command { std: "docker" "start" "-a" "fe6a1c9b107be44d1a0c17efd9ecc4b3e099275de0b63e4c2e4ecd0e04eb7da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6a1c9b107be44d1a0c17efd9ecc4b3e099275de0b63e4c2e4ecd0e04eb7da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6a1c9b107be44d1a0c17efd9ecc4b3e099275de0b63e4c2e4ecd0e04eb7da3", kill_on_drop: false }`
[INFO] [stdout] fe6a1c9b107be44d1a0c17efd9ecc4b3e099275de0b63e4c2e4ecd0e04eb7da3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea15994e1119ec03f2fba3b587f9b03204646295714d75312e1dde5dd34361d
[INFO] running `Command { std: "docker" "start" "-a" "6ea15994e1119ec03f2fba3b587f9b03204646295714d75312e1dde5dd34361d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking eval-lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get` and `set` are never used
[INFO] [stdout]   --> src/eval.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub trait TalkObjectProxy<'world> {
[INFO] [stdout]    |           --------------- methods in this trait
[INFO] [stdout] 85 |     fn get(&mut self, name: &str) -> Option<&mut TalkValue<'world>>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 86 |     fn set(&mut self, name: &str, val: TalkValue<'world>);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]    --> src/eval.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct TalkEvalError {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 124 |     pub text: String
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TalkEvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EvalResult` is never used
[INFO] [stdout]    --> src/eval.rs:132:6
[INFO] [stdout]     |
[INFO] [stdout] 132 | type EvalResult<'world> = Result<&'world mut TalkValue<'world>, TalkEvalError>;
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Eval` is never used
[INFO] [stdout]    --> src/eval.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub trait Eval<'world, 'ast: 'world> {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]    --> src/eval.rs:142:10
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub enum Expression {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]   --> src/eval.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub trait TalkObjectProxy<'world> {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] 85 |     fn get(&mut self, name: &str) -> Option<&mut TalkValue<'world>>;
[INFO] [stdout] 86 |     fn set(&mut self, name: &str, val: TalkValue<'world>);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]    --> src/eval.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct TalkEvalError {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 124 |     pub text: String
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TalkEvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "6ea15994e1119ec03f2fba3b587f9b03204646295714d75312e1dde5dd34361d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea15994e1119ec03f2fba3b587f9b03204646295714d75312e1dde5dd34361d", kill_on_drop: false }`
[INFO] [stdout] 6ea15994e1119ec03f2fba3b587f9b03204646295714d75312e1dde5dd34361d