[INFO] fetching crate pit-rust-generator 0.4.0...
[INFO] building pit-rust-generator-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate pit-rust-generator 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate pit-rust-generator 0.4.0
[INFO] finished tweaking crates.io crate pit-rust-generator 0.4.0
[INFO] tweaked toml for crates.io crate pit-rust-generator 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pit-rust-generator 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pit-rust-generator 0.4.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasiquote-proc-macro v0.1.0
[INFO] [stderr]   Downloaded pit-core v0.4.2
[INFO] [stderr]   Downloaded quasiquote v0.1.1
[INFO] [stderr]   Downloaded derive_more v2.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.93
[INFO] [stderr]   Downloaded prettyplease v0.2.25
[INFO] [stderr]   Downloaded derive_more-impl v2.0.1
[INFO] [stderr]   Downloaded nom v8.0.0
[INFO] [stderr]   Downloaded pit-rust-guest v0.4.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c09960b115901a33c9c187c71e426cdc30b909ff60663c56d7cefacecb3b4558
[INFO] running `Command { std: "docker" "start" "-a" "c09960b115901a33c9c187c71e426cdc30b909ff60663c56d7cefacecb3b4558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c09960b115901a33c9c187c71e426cdc30b909ff60663c56d7cefacecb3b4558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09960b115901a33c9c187c71e426cdc30b909ff60663c56d7cefacecb3b4558", kill_on_drop: false }`
[INFO] [stdout] c09960b115901a33c9c187c71e426cdc30b909ff60663c56d7cefacecb3b4558
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8150d75d80bc9680def0787e3ba7869bbf01550ccd139d5618f0dc735d2115
[INFO] running `Command { std: "docker" "start" "-a" "2d8150d75d80bc9680def0787e3ba7869bbf01550ccd139d5618f0dc735d2115", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling quasiquote-proc-macro v0.1.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling quasiquote v0.1.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling pit-core v0.4.2
[INFO] [stderr]    Compiling pit-rust-guest v0.4.0
[INFO] [stderr]    Compiling pit-rust-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x = Opts{
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.19s
[INFO] running `Command { std: "docker" "inspect" "2d8150d75d80bc9680def0787e3ba7869bbf01550ccd139d5618f0dc735d2115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8150d75d80bc9680def0787e3ba7869bbf01550ccd139d5618f0dc735d2115", kill_on_drop: false }`
[INFO] [stdout] 2d8150d75d80bc9680def0787e3ba7869bbf01550ccd139d5618f0dc735d2115
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24198ee318ebc9a10aec679f5c0c6da1fd55511f3d66bce961549e4e36b9ad2
[INFO] running `Command { std: "docker" "start" "-a" "d24198ee318ebc9a10aec679f5c0c6da1fd55511f3d66bce961549e4e36b9ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pit-rust-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x = Opts{
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d24198ee318ebc9a10aec679f5c0c6da1fd55511f3d66bce961549e4e36b9ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24198ee318ebc9a10aec679f5c0c6da1fd55511f3d66bce961549e4e36b9ad2", kill_on_drop: false }`
[INFO] [stdout] d24198ee318ebc9a10aec679f5c0c6da1fd55511f3d66bce961549e4e36b9ad2
