[INFO] fetching crate melcome 0.0.1...
[INFO] testing melcome-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate melcome 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate melcome 0.0.1
[INFO] finished tweaking crates.io crate melcome 0.0.1
[INFO] tweaked toml for crates.io crate melcome 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melcome 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melcome 0.0.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.1.2
[INFO] [stderr]   Downloaded ang v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.127
[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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887c42a0c02b5f1cb17d8417b3cdf0935bf78be24ecde4a45865ad82077eb095
[INFO] running `Command { std: "docker" "start" "-a" "887c42a0c02b5f1cb17d8417b3cdf0935bf78be24ecde4a45865ad82077eb095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887c42a0c02b5f1cb17d8417b3cdf0935bf78be24ecde4a45865ad82077eb095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887c42a0c02b5f1cb17d8417b3cdf0935bf78be24ecde4a45865ad82077eb095", kill_on_drop: false }`
[INFO] [stdout] 887c42a0c02b5f1cb17d8417b3cdf0935bf78be24ecde4a45865ad82077eb095
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8b68be95d692b4cfaffd3003944c1360bb63d6471163bd7eab2935bb8f1688
[INFO] running `Command { std: "docker" "start" "-a" "5b8b68be95d692b4cfaffd3003944c1360bb63d6471163bd7eab2935bb8f1688", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling ang v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling melcome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "5b8b68be95d692b4cfaffd3003944c1360bb63d6471163bd7eab2935bb8f1688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8b68be95d692b4cfaffd3003944c1360bb63d6471163bd7eab2935bb8f1688", kill_on_drop: false }`
[INFO] [stdout] 5b8b68be95d692b4cfaffd3003944c1360bb63d6471163bd7eab2935bb8f1688
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56f77ae07cb1610758269c2db36b80bbfa3627a89591f735c6eaebf8e03d2a7
[INFO] running `Command { std: "docker" "start" "-a" "d56f77ae07cb1610758269c2db36b80bbfa3627a89591f735c6eaebf8e03d2a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling melcome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/io.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut expr3 = epr1.sniff(url4);
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "d56f77ae07cb1610758269c2db36b80bbfa3627a89591f735c6eaebf8e03d2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56f77ae07cb1610758269c2db36b80bbfa3627a89591f735c6eaebf8e03d2a7", kill_on_drop: false }`
[INFO] [stdout] d56f77ae07cb1610758269c2db36b80bbfa3627a89591f735c6eaebf8e03d2a7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4b5dbe934c39879e9a422c3a5d6b7bb46185745be1726bfa399abf2a1386f03
[INFO] running `Command { std: "docker" "start" "-a" "a4b5dbe934c39879e9a422c3a5d6b7bb46185745be1726bfa399abf2a1386f03", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/io.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut expr3 = epr1.sniff(url4);
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `melcome` (example "io") generated 1 warning (run `cargo fix --example "io"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melcome-d89f5a36439c4160)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/melcome-a43a278104c33d1e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melcome
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4b5dbe934c39879e9a422c3a5d6b7bb46185745be1726bfa399abf2a1386f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b5dbe934c39879e9a422c3a5d6b7bb46185745be1726bfa399abf2a1386f03", kill_on_drop: false }`
[INFO] [stdout] a4b5dbe934c39879e9a422c3a5d6b7bb46185745be1726bfa399abf2a1386f03