[INFO] fetching crate tutel 0.2.10...
[INFO] building tutel-0.2.10 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tutel 0.2.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tutel 0.2.10
[INFO] finished tweaking crates.io crate tutel 0.2.10
[INFO] tweaked toml for crates.io crate tutel 0.2.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tutel 0.2.10 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 tutel 0.2.10 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 serde v1.0.158
[INFO] [stderr]   Downloaded bpaf v0.7.2
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 782b6d5b5effdcc7e609e81ba9dcee86f4299edd47efa2f2ce18118a126f5d15
[INFO] running `Command { std: "docker" "start" "-a" "782b6d5b5effdcc7e609e81ba9dcee86f4299edd47efa2f2ce18118a126f5d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "782b6d5b5effdcc7e609e81ba9dcee86f4299edd47efa2f2ce18118a126f5d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782b6d5b5effdcc7e609e81ba9dcee86f4299edd47efa2f2ce18118a126f5d15", kill_on_drop: false }`
[INFO] [stdout] 782b6d5b5effdcc7e609e81ba9dcee86f4299edd47efa2f2ce18118a126f5d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4fc42307a843bd665916346aaeb480f5e8ff824186cf0921ba339c212f957ad2
[INFO] running `Command { std: "docker" "start" "-a" "4fc42307a843bd665916346aaeb480f5e8ff824186cf0921ba339c212f957ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling bpaf v0.7.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling tutel v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/project.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for mut t in &mut self.data.tasks {
[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 7.75s
[INFO] running `Command { std: "docker" "inspect" "4fc42307a843bd665916346aaeb480f5e8ff824186cf0921ba339c212f957ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc42307a843bd665916346aaeb480f5e8ff824186cf0921ba339c212f957ad2", kill_on_drop: false }`
[INFO] [stdout] 4fc42307a843bd665916346aaeb480f5e8ff824186cf0921ba339c212f957ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8b055adafb7d5f89fd84b9b44708bd085f4584656f94d889941d49d0be11ded2
[INFO] running `Command { std: "docker" "start" "-a" "8b055adafb7d5f89fd84b9b44708bd085f4584656f94d889941d49d0be11ded2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutel v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/project.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for mut t in &mut self.data.tasks {
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/project.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for mut t in &mut self.data.tasks {
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "8b055adafb7d5f89fd84b9b44708bd085f4584656f94d889941d49d0be11ded2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b055adafb7d5f89fd84b9b44708bd085f4584656f94d889941d49d0be11ded2", kill_on_drop: false }`
[INFO] [stdout] 8b055adafb7d5f89fd84b9b44708bd085f4584656f94d889941d49d0be11ded2