[INFO] fetching crate multirun 0.3.2...
[INFO] checking multirun-0.3.2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate multirun 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate multirun 0.3.2
[INFO] finished tweaking crates.io crate multirun 0.3.2
[INFO] tweaked toml for crates.io crate multirun 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multirun 0.3.2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate multirun 0.3.2 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7478f176dd7fdc11a7610f8640a9195741516c2f13ae7c779633556cb6c41504
[INFO] running `Command { std: "docker" "start" "-a" "7478f176dd7fdc11a7610f8640a9195741516c2f13ae7c779633556cb6c41504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7478f176dd7fdc11a7610f8640a9195741516c2f13ae7c779633556cb6c41504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7478f176dd7fdc11a7610f8640a9195741516c2f13ae7c779633556cb6c41504", kill_on_drop: false }`
[INFO] [stdout] 7478f176dd7fdc11a7610f8640a9195741516c2f13ae7c779633556cb6c41504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759955853f7b4d2d272083068fc47e887c2603efc7bac9a5a469f82b6227a619
[INFO] running `Command { std: "docker" "start" "-a" "759955853f7b4d2d272083068fc47e887c2603efc7bac9a5a469f82b6227a619", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking envsubst v0.2.0
[INFO] [stderr]     Checking serde v1.0.139
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking multirun v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config_file_path` is never read
[INFO] [stdout]   --> src/config.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ConfigFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     pub config: Config,
[INFO] [stdout] 46 |     pub config_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigFile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config_file_path` is never read
[INFO] [stdout]   --> src/config.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ConfigFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     pub config: Config,
[INFO] [stdout] 46 |     pub config_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigFile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.83s
[INFO] running `Command { std: "docker" "inspect" "759955853f7b4d2d272083068fc47e887c2603efc7bac9a5a469f82b6227a619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759955853f7b4d2d272083068fc47e887c2603efc7bac9a5a469f82b6227a619", kill_on_drop: false }`
[INFO] [stdout] 759955853f7b4d2d272083068fc47e887c2603efc7bac9a5a469f82b6227a619