[INFO] fetching crate argfetch 0.1.6...
[INFO] testing argfetch-0.1.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate argfetch 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate argfetch 0.1.6
[INFO] finished tweaking crates.io crate argfetch 0.1.6
[INFO] tweaked toml for crates.io crate argfetch 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate argfetch 0.1.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e7a55bbe4c1855679c3f15080f03f8cb5dce466cecc37088dd234f62abe3e6
[INFO] running `Command { std: "docker" "start" "-a" "f6e7a55bbe4c1855679c3f15080f03f8cb5dce466cecc37088dd234f62abe3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e7a55bbe4c1855679c3f15080f03f8cb5dce466cecc37088dd234f62abe3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e7a55bbe4c1855679c3f15080f03f8cb5dce466cecc37088dd234f62abe3e6", kill_on_drop: false }`
[INFO] [stdout] f6e7a55bbe4c1855679c3f15080f03f8cb5dce466cecc37088dd234f62abe3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4ab4f198871a22f93b448b3ba80846c0a75dd03b862c6c8e68ce3003de17f8
[INFO] running `Command { std: "docker" "start" "-a" "dc4ab4f198871a22f93b448b3ba80846c0a75dd03b862c6c8e68ce3003de17f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling argfetch v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for flag in &flags_vec {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[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 0.32s
[INFO] running `Command { std: "docker" "inspect" "dc4ab4f198871a22f93b448b3ba80846c0a75dd03b862c6c8e68ce3003de17f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4ab4f198871a22f93b448b3ba80846c0a75dd03b862c6c8e68ce3003de17f8", kill_on_drop: false }`
[INFO] [stdout] dc4ab4f198871a22f93b448b3ba80846c0a75dd03b862c6c8e68ce3003de17f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c47f5630c98c64d24ba9ca5b213e1c82602b397e52ef661ae0f1a2969aeab75
[INFO] running `Command { std: "docker" "start" "-a" "9c47f5630c98c64d24ba9ca5b213e1c82602b397e52ef661ae0f1a2969aeab75", kill_on_drop: false }`
[INFO] [stderr]    Compiling argfetch v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for flag in &flags_vec {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for flag in &flags_vec {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "9c47f5630c98c64d24ba9ca5b213e1c82602b397e52ef661ae0f1a2969aeab75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c47f5630c98c64d24ba9ca5b213e1c82602b397e52ef661ae0f1a2969aeab75", kill_on_drop: false }`
[INFO] [stdout] 9c47f5630c98c64d24ba9ca5b213e1c82602b397e52ef661ae0f1a2969aeab75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f092e740bd30bc585d7e379970eeb411becebd77372d505d0901a378625c77c
[INFO] running `Command { std: "docker" "start" "-a" "9f092e740bd30bc585d7e379970eeb411becebd77372d505d0901a378625c77c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `flag`
[INFO] [stderr]  --> src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     for flag in &flags_vec {
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `argfetch` (lib) generated 1 warning (run `cargo fix --lib -p argfetch` to apply 1 suggestion)
[INFO] [stderr] warning: `argfetch` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/argfetch-fb54890c59abf1db)
[INFO] [stderr]    Doc-tests argfetch
[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] [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" "9f092e740bd30bc585d7e379970eeb411becebd77372d505d0901a378625c77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f092e740bd30bc585d7e379970eeb411becebd77372d505d0901a378625c77c", kill_on_drop: false }`
[INFO] [stdout] 9f092e740bd30bc585d7e379970eeb411becebd77372d505d0901a378625c77c