[INFO] fetching crate comtesse 0.2.3...
[INFO] testing comtesse-0.2.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate comtesse 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate comtesse 0.2.3
[INFO] finished tweaking crates.io crate comtesse 0.2.3
[INFO] tweaked toml for crates.io crate comtesse 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate comtesse 0.2.3 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 3913c9cab7c6d1bb1da976060df574780762a4ff839300a3dad7a45e5b612b29
[INFO] running `Command { std: "docker" "start" "-a" "3913c9cab7c6d1bb1da976060df574780762a4ff839300a3dad7a45e5b612b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3913c9cab7c6d1bb1da976060df574780762a4ff839300a3dad7a45e5b612b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3913c9cab7c6d1bb1da976060df574780762a4ff839300a3dad7a45e5b612b29", kill_on_drop: false }`
[INFO] [stdout] 3913c9cab7c6d1bb1da976060df574780762a4ff839300a3dad7a45e5b612b29
[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] 83532683129a64998bdf6c0c785c663827083f93ce76684a38a9928c0ecab091
[INFO] running `Command { std: "docker" "start" "-a" "83532683129a64998bdf6c0c785c663827083f93ce76684a38a9928c0ecab091", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling comtesse v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DumpGraphviz` is never used
[INFO] [stdout]   --> src/lib.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(crate) trait DumpGraphviz {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_safer` is never used
[INFO] [stdout]    --> src/lib.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub(crate) fn make_safer(input: &str) -> Cow<'_, str> {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "83532683129a64998bdf6c0c785c663827083f93ce76684a38a9928c0ecab091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83532683129a64998bdf6c0c785c663827083f93ce76684a38a9928c0ecab091", kill_on_drop: false }`
[INFO] [stdout] 83532683129a64998bdf6c0c785c663827083f93ce76684a38a9928c0ecab091
[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] b39695feb6020eab5de2e3abaccd4fe4d720eb25ab98fd3e723ae4811c33ee4e
[INFO] running `Command { std: "docker" "start" "-a" "b39695feb6020eab5de2e3abaccd4fe4d720eb25ab98fd3e723ae4811c33ee4e", kill_on_drop: false }`
[INFO] [stdout] warning: trait `DumpGraphviz` is never used
[INFO] [stdout]   --> src/lib.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(crate) trait DumpGraphviz {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_safer` is never used
[INFO] [stdout]    --> src/lib.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub(crate) fn make_safer(input: &str) -> Cow<'_, str> {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling comtesse v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b39695feb6020eab5de2e3abaccd4fe4d720eb25ab98fd3e723ae4811c33ee4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39695feb6020eab5de2e3abaccd4fe4d720eb25ab98fd3e723ae4811c33ee4e", kill_on_drop: false }`
[INFO] [stdout] b39695feb6020eab5de2e3abaccd4fe4d720eb25ab98fd3e723ae4811c33ee4e
[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] 189fac3a52ffbee4703a355bf3c82b33ca6e94895e1ff3a3f3ae294853c9e818
[INFO] running `Command { std: "docker" "start" "-a" "189fac3a52ffbee4703a355bf3c82b33ca6e94895e1ff3a3f3ae294853c9e818", kill_on_drop: false }`
[INFO] [stderr] warning: trait `DumpGraphviz` is never used
[INFO] [stderr]   --> src/lib.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub(crate) trait DumpGraphviz {
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_safer` is never used
[INFO] [stderr]    --> src/lib.rs:180:15
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub(crate) fn make_safer(input: &str) -> Cow<'_, str> {
[INFO] [stderr]     |               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `comtesse` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comtesse-cdeb25cf0d00f048)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test algorithms::tests::connected1 ... ok
[INFO] [stdout] test algorithms::tests::shortest_path ... ok
[INFO] [stdout] test algorithms::tests::is_connected ... ok
[INFO] [stdout] test tests::construct ... ok
[INFO] [stdout] test tests::dfs ... ok
[INFO] [stdout] test weighted::tests::construct_weighted ... ok
[INFO] [stdout] test weighted::tests::remove_edge ... ok
[INFO] [stdout] test unweighted::from_weighted ... ok
[INFO] [stderr]    Doc-tests comtesse
[INFO] [stdout] test tests::test_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/unweighted.rs - unweighted::Unweighted (line 14) ... ok
[INFO] [stdout] test src/algorithms.rs - algorithms::Graph<V,E>::shortest_path_unweighted (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "189fac3a52ffbee4703a355bf3c82b33ca6e94895e1ff3a3f3ae294853c9e818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189fac3a52ffbee4703a355bf3c82b33ca6e94895e1ff3a3f3ae294853c9e818", kill_on_drop: false }`
[INFO] [stdout] 189fac3a52ffbee4703a355bf3c82b33ca6e94895e1ff3a3f3ae294853c9e818