[INFO] fetching crate cargo-referendum 0.1.1...
[INFO] testing cargo-referendum-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cargo-referendum 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cargo-referendum 0.1.1
[INFO] finished tweaking crates.io crate cargo-referendum 0.1.1
[INFO] tweaked toml for crates.io crate cargo-referendum 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-referendum 0.1.1 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] crate crates.io crate cargo-referendum 0.1.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f5eb3b77643277881b6ccac6707273da602abaad3d5ee156c85232a96a9c9360
[INFO] running `Command { std: "docker" "start" "-a" "f5eb3b77643277881b6ccac6707273da602abaad3d5ee156c85232a96a9c9360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5eb3b77643277881b6ccac6707273da602abaad3d5ee156c85232a96a9c9360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5eb3b77643277881b6ccac6707273da602abaad3d5ee156c85232a96a9c9360", kill_on_drop: false }`
[INFO] [stdout] f5eb3b77643277881b6ccac6707273da602abaad3d5ee156c85232a96a9c9360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f1be3f17dbb63f481ccd6e88c2aa988dca28b3488e7c3644b3d785cad892315b
[INFO] running `Command { std: "docker" "start" "-a" "f1be3f17dbb63f481ccd6e88c2aa988dca28b3488e7c3644b3d785cad892315b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling string-builder v0.2.0
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling cargo-referendum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `old_toolkits`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let old_toolkits = vec![
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_toolkits`
[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 28.99s
[INFO] running `Command { std: "docker" "inspect" "f1be3f17dbb63f481ccd6e88c2aa988dca28b3488e7c3644b3d785cad892315b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1be3f17dbb63f481ccd6e88c2aa988dca28b3488e7c3644b3d785cad892315b", kill_on_drop: false }`
[INFO] [stdout] f1be3f17dbb63f481ccd6e88c2aa988dca28b3488e7c3644b3d785cad892315b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2885b83e34a049d4f6266b634b748d03fe416725b34e1eda5eb1d7a4f679cf0b
[INFO] running `Command { std: "docker" "start" "-a" "2885b83e34a049d4f6266b634b748d03fe416725b34e1eda5eb1d7a4f679cf0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-referendum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `old_toolkits`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let old_toolkits = vec![
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_toolkits`
[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 1.41s
[INFO] running `Command { std: "docker" "inspect" "2885b83e34a049d4f6266b634b748d03fe416725b34e1eda5eb1d7a4f679cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2885b83e34a049d4f6266b634b748d03fe416725b34e1eda5eb1d7a4f679cf0b", kill_on_drop: false }`
[INFO] [stdout] 2885b83e34a049d4f6266b634b748d03fe416725b34e1eda5eb1d7a4f679cf0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 356b4928f082dcc2e5a43c9961a0f5a80672da5900e9fabca9b7e06298f5362c
[INFO] running `Command { std: "docker" "start" "-a" "356b4928f082dcc2e5a43c9961a0f5a80672da5900e9fabca9b7e06298f5362c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `old_toolkits`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let old_toolkits = vec![
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_toolkits`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-referendum` (bin "cargo-referendum" test) generated 1 warning (run `cargo fix --bin "cargo-referendum" -p cargo-referendum --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_referendum-db6598530c76b8ae)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::consensus_result_normal_generation ... ok
[INFO] [stdout] test tests::dissenting_result_normal_generation ... ok
[INFO] [stdout] test tests::get_consensus ... ok
[INFO] [stdout] test tests::no_consensus_result_normal_generation ... ok
[INFO] [stdout] test tests::parse_double_test ... ok
[INFO] [stdout] test tests::parse_single_test ... ok
[INFO] [stdout] test tests::test_failure_result_generation ... ok
[INFO] [stdout] test tests::extract_test_name ... ok
[INFO] [stdout] test tests::test_output_generation ... ok
[INFO] [stdout] test tests::test_pass_result_generation ... ok
[INFO] [stdout] test tests::test_output_generation_no_output ... ok
[INFO] [stdout] test tests::vote_all_unmatched ... ok
[INFO] [stdout] test tests::vote_no_consensus ... ok
[INFO] [stdout] test tests::get_test_result_normal ... ok
[INFO] [stdout] test tests::get_test_result_test_panics ... ok
[INFO] [stdout] test tests::multiple_test_outputs ... ok
[INFO] [stdout] test tests::vote_all_consensus ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_referendum-fcda8ccfed9dce3f)
[INFO] [stdout] test tests::consensus_map_normal_generation ... ok
[INFO] [stderr]    Doc-tests cargo_referendum
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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] [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" "356b4928f082dcc2e5a43c9961a0f5a80672da5900e9fabca9b7e06298f5362c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356b4928f082dcc2e5a43c9961a0f5a80672da5900e9fabca9b7e06298f5362c", kill_on_drop: false }`
[INFO] [stdout] 356b4928f082dcc2e5a43c9961a0f5a80672da5900e9fabca9b7e06298f5362c