[INFO] fetching crate yada_mod 0.4.0...
[INFO] testing yada_mod-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate yada_mod 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate yada_mod 0.4.0
[INFO] finished tweaking crates.io crate yada_mod 0.4.0
[INFO] tweaked toml for crates.io crate yada_mod 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yada_mod 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yada_mod 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a62a80ae9522d281b7cd6dc47d093b3d1dc35249846c51a7496d7e86e9ebbf
[INFO] running `Command { std: "docker" "start" "-a" "e0a62a80ae9522d281b7cd6dc47d093b3d1dc35249846c51a7496d7e86e9ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a62a80ae9522d281b7cd6dc47d093b3d1dc35249846c51a7496d7e86e9ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a62a80ae9522d281b7cd6dc47d093b3d1dc35249846c51a7496d7e86e9ebbf", kill_on_drop: false }`
[INFO] [stdout] e0a62a80ae9522d281b7cd6dc47d093b3d1dc35249846c51a7496d7e86e9ebbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d1322e68f8275ec585219d14b92fdc5ae2422db0c21aae8ea8df02ae9e5b287
[INFO] running `Command { std: "docker" "start" "-a" "8d1322e68f8275ec585219d14b92fdc5ae2422db0c21aae8ea8df02ae9e5b287", kill_on_drop: false }`
[INFO] [stderr]    Compiling yada_mod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builder.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut last_label = labels.last_mut().unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8d1322e68f8275ec585219d14b92fdc5ae2422db0c21aae8ea8df02ae9e5b287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1322e68f8275ec585219d14b92fdc5ae2422db0c21aae8ea8df02ae9e5b287", kill_on_drop: false }`
[INFO] [stdout] 8d1322e68f8275ec585219d14b92fdc5ae2422db0c21aae8ea8df02ae9e5b287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb645f23da21efcce04d81a8673c5ec188ff5b2a2e1fe8c8404df846dcec26fb
[INFO] running `Command { std: "docker" "start" "-a" "fb645f23da21efcce04d81a8673c5ec188ff5b2a2e1fe8c8404df846dcec26fb", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builder.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut last_label = labels.last_mut().unwrap();
[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] [stderr]    Compiling yada_mod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `yada`
[INFO] [stdout]  --> examples/build_and_search.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate yada;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yada_mod` (example "build_and_search") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `yada`
[INFO] [stdout]  --> examples/load_from_file.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate yada;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yada_mod` (example "load_from_file") due to 1 previous error
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builder.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut last_label = labels.last_mut().unwrap();
[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] running `Command { std: "docker" "inspect" "fb645f23da21efcce04d81a8673c5ec188ff5b2a2e1fe8c8404df846dcec26fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb645f23da21efcce04d81a8673c5ec188ff5b2a2e1fe8c8404df846dcec26fb", kill_on_drop: false }`
[INFO] [stdout] fb645f23da21efcce04d81a8673c5ec188ff5b2a2e1fe8c8404df846dcec26fb