[INFO] cloning repository https://github.com/magurotuna/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magurotuna/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cb49754c092fb802d63aa582407a999140cf56f
[INFO] checking magurotuna/rust-monkey against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Frust-monkey" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magurotuna/rust-monkey on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magurotuna/rust-monkey
[INFO] finished tweaking git repo https://github.com/magurotuna/rust-monkey
[INFO] tweaked toml for git repo https://github.com/magurotuna/rust-monkey written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/magurotuna/rust-monkey 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b317919c31395d159cd57bc3bdc21711643eac7b6c4d1812c224cd9632b80d
[INFO] running `Command { std: "docker" "start" "-a" "44b317919c31395d159cd57bc3bdc21711643eac7b6c4d1812c224cd9632b80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b317919c31395d159cd57bc3bdc21711643eac7b6c4d1812c224cd9632b80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b317919c31395d159cd57bc3bdc21711643eac7b6c4d1812c224cd9632b80d", kill_on_drop: false }`
[INFO] [stdout] 44b317919c31395d159cd57bc3bdc21711643eac7b6c4d1812c224cd9632b80d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b5ee0c9371444b13b85fc282d723c811429665f2fbe29b0d55440cdec33dd8
[INFO] running `Command { std: "docker" "start" "-a" "c4b5ee0c9371444b13b85fc282d723c811429665f2fbe29b0d55440cdec33dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking whoami v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/evaluator.rs:159:10
[INFO] [stdout]     |
[INFO] [stdout] 159 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/evaluator.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/evaluator.rs:225:10
[INFO] [stdout]     |
[INFO] [stdout] 225 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/evaluator.rs:247:10
[INFO] [stdout]     |
[INFO] [stdout] 247 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:410:10
[INFO] [stdout]     |
[INFO] [stdout] 410 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:497:10
[INFO] [stdout]     |
[INFO] [stdout] 497 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:596:10
[INFO] [stdout]     |
[INFO] [stdout] 596 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:635:10
[INFO] [stdout]     |
[INFO] [stdout] 635 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:744:10
[INFO] [stdout]     |
[INFO] [stdout] 744 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:841:10
[INFO] [stdout]     |
[INFO] [stdout] 841 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Prefix {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 18 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Infix {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 23 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     If {
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 29 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     FunctionLiteral {
[INFO] [stdout]    |     --------------- field in this variant
[INFO] [stdout] 35 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 40 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Prefix {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 18 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Infix {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 23 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     If {
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 29 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     FunctionLiteral {
[INFO] [stdout]    |     --------------- field in this variant
[INFO] [stdout] 35 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 40 |         token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` 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 2.87s
[INFO] running `Command { std: "docker" "inspect" "c4b5ee0c9371444b13b85fc282d723c811429665f2fbe29b0d55440cdec33dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b5ee0c9371444b13b85fc282d723c811429665f2fbe29b0d55440cdec33dd8", kill_on_drop: false }`
[INFO] [stdout] c4b5ee0c9371444b13b85fc282d723c811429665f2fbe29b0d55440cdec33dd8