[INFO] cloning repository https://github.com/AliasT/craftinginterpreters [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliasT/craftinginterpreters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fcraftinginterpreters", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fcraftinginterpreters'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64a93a33dee980bd7c667ec25a8449e5740d455d [INFO] checking AliasT/craftinginterpreters against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliasT%2Fcraftinginterpreters" "/workspace/builds/worker-33/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AliasT/craftinginterpreters on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AliasT/craftinginterpreters [INFO] finished tweaking git repo https://github.com/AliasT/craftinginterpreters [INFO] tweaked toml for git repo https://github.com/AliasT/craftinginterpreters written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate git repo https://github.com/AliasT/craftinginterpreters already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8aed973e25bf6c9575d8a51c8daea24c6002d3b30cfc2bf9f6f98a85b8bc3ba7 [INFO] running `Command { std: "docker" "start" "-a" "8aed973e25bf6c9575d8a51c8daea24c6002d3b30cfc2bf9f6f98a85b8bc3ba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8aed973e25bf6c9575d8a51c8daea24c6002d3b30cfc2bf9f6f98a85b8bc3ba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aed973e25bf6c9575d8a51c8daea24c6002d3b30cfc2bf9f6f98a85b8bc3ba7", kill_on_drop: false }` [INFO] [stdout] 8aed973e25bf6c9575d8a51c8daea24c6002d3b30cfc2bf9f6f98a85b8bc3ba7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f13db5a47cbfc2b74df679302d8d55e019a5ddc343b7242974baf2033b3e9ed [INFO] running `Command { std: "docker" "start" "-a" "2f13db5a47cbfc2b74df679302d8d55e019a5ddc343b7242974baf2033b3e9ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling phf_shared v0.9.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling phf_generator v0.9.0 [INFO] [stderr] Compiling phf_macros v0.9.0 [INFO] [stderr] Checking phf v0.9.0 [INFO] [stderr] Checking crafting v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TokenType` [INFO] [stdout] --> src/lexer/ast.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use super::token::{Object, Token, TokenType}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::BorrowMut` [INFO] [stdout] --> src/playground/lifetime.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::BorrowMut, collections::HashMap, marker::PhantomData}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::BorrowMut` [INFO] [stdout] --> src/playground/lifetime.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::BorrowMut, collections::HashMap, marker::PhantomData}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lexer/token.rs:122:36 [INFO] [stdout] | [INFO] [stdout] 122 | UnionObject::Reference(v) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/lexer/ast.rs:67:14 [INFO] [stdout] | [INFO] [stdout] 67 | e.walk(&|expr| { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lexer/token.rs:122:36 [INFO] [stdout] | [INFO] [stdout] 122 | UnionObject::Reference(v) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/playground/lifetime.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let b = a.c(&1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexer/ast.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `walk` [INFO] [stdout] --> src/lexer/ast.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn walk(&self, visitor: &F) -> bool [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `c` [INFO] [stdout] --> src/playground/lifetime.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn c(&self, k: &'a i32) -> &B<'a> { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.47s [INFO] running `Command { std: "docker" "inspect" "2f13db5a47cbfc2b74df679302d8d55e019a5ddc343b7242974baf2033b3e9ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f13db5a47cbfc2b74df679302d8d55e019a5ddc343b7242974baf2033b3e9ed", kill_on_drop: false }` [INFO] [stdout] 2f13db5a47cbfc2b74df679302d8d55e019a5ddc343b7242974baf2033b3e9ed