[INFO] cloning repository https://github.com/zorawek/trait_showcase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zorawek/trait_showcase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzorawek%2Ftrait_showcase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzorawek%2Ftrait_showcase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11844a01cb5b426042029be59a7b56f5f130541f
[INFO] testing zorawek/trait_showcase against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzorawek%2Ftrait_showcase" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zorawek/trait_showcase
[INFO] finished tweaking git repo https://github.com/zorawek/trait_showcase
[INFO] tweaked toml for git repo https://github.com/zorawek/trait_showcase written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zorawek/trait_showcase on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zorawek/trait_showcase 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c59d104a937f222e439a10e95cf13340f5436a2e16742630b38d3e17dac6bdf1
[INFO] running `Command { std: "docker" "start" "-a" "c59d104a937f222e439a10e95cf13340f5436a2e16742630b38d3e17dac6bdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59d104a937f222e439a10e95cf13340f5436a2e16742630b38d3e17dac6bdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59d104a937f222e439a10e95cf13340f5436a2e16742630b38d3e17dac6bdf1", kill_on_drop: false }`
[INFO] [stdout] c59d104a937f222e439a10e95cf13340f5436a2e16742630b38d3e17dac6bdf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4bb57643f3d1aaafe23adff89e721eb764d97eccf406b6b34f915aeeb1f16bd
[INFO] running `Command { std: "docker" "start" "-a" "a4bb57643f3d1aaafe23adff89e721eb764d97eccf406b6b34f915aeeb1f16bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_showcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn with_bounds(mut self) -> Progress<Iter, Bounded> {
[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: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     for n in (0..).progress() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a4bb57643f3d1aaafe23adff89e721eb764d97eccf406b6b34f915aeeb1f16bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bb57643f3d1aaafe23adff89e721eb764d97eccf406b6b34f915aeeb1f16bd", kill_on_drop: false }`
[INFO] [stdout] a4bb57643f3d1aaafe23adff89e721eb764d97eccf406b6b34f915aeeb1f16bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16d8380d11a7e0ae92100179034f9aa327e1fff46d4b03867ee940aa86934ed
[INFO] running `Command { std: "docker" "start" "-a" "c16d8380d11a7e0ae92100179034f9aa327e1fff46d4b03867ee940aa86934ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_showcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn with_bounds(mut self) -> Progress<Iter, Bounded> {
[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: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     for n in (0..).progress() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c16d8380d11a7e0ae92100179034f9aa327e1fff46d4b03867ee940aa86934ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16d8380d11a7e0ae92100179034f9aa327e1fff46d4b03867ee940aa86934ed", kill_on_drop: false }`
[INFO] [stdout] c16d8380d11a7e0ae92100179034f9aa327e1fff46d4b03867ee940aa86934ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9bdd05b31425d5d4ce85e551696c6361884edba1d77e6ffd7eabb58a048d37a
[INFO] running `Command { std: "docker" "start" "-a" "a9bdd05b31425d5d4ce85e551696c6361884edba1d77e6ffd7eabb58a048d37a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn with_bounds(mut self) -> Progress<Iter, Bounded> {
[INFO] [stderr]    |                        ----^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     for n in (0..).progress() {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trait_showcase` (bin "trait_showcase" test) generated 2 warnings (run `cargo fix --bin "trait_showcase" -p trait_showcase --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/trait_showcase-92a1177345c9940d)
[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" "a9bdd05b31425d5d4ce85e551696c6361884edba1d77e6ffd7eabb58a048d37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bdd05b31425d5d4ce85e551696c6361884edba1d77e6ffd7eabb58a048d37a", kill_on_drop: false }`
[INFO] [stdout] a9bdd05b31425d5d4ce85e551696c6361884edba1d77e6ffd7eabb58a048d37a