[INFO] cloning repository https://github.com/kallehed/Preflow-push-in-rust-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kallehed/Preflow-push-in-rust-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FPreflow-push-in-rust-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FPreflow-push-in-rust-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbb47e3d014c7e5a3b0bc89f8c2edff281b4aae3
[INFO] testing kallehed/Preflow-push-in-rust-tokio against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FPreflow-push-in-rust-tokio" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kallehed/Preflow-push-in-rust-tokio
[INFO] finished tweaking git repo https://github.com/kallehed/Preflow-push-in-rust-tokio
[INFO] tweaked toml for git repo https://github.com/kallehed/Preflow-push-in-rust-tokio written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kallehed/Preflow-push-in-rust-tokio 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/kallehed/Preflow-push-in-rust-tokio 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded bytes v1.6.0
[INFO] [stderr]   Downloaded cc v1.0.100
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded object v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a2fefaf0f91a8df11139c81383641cda70bdc80dae446fbe2161c2885ab4169d
[INFO] running `Command { std: "docker" "start" "-a" "a2fefaf0f91a8df11139c81383641cda70bdc80dae446fbe2161c2885ab4169d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2fefaf0f91a8df11139c81383641cda70bdc80dae446fbe2161c2885ab4169d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fefaf0f91a8df11139c81383641cda70bdc80dae446fbe2161c2885ab4169d", kill_on_drop: false }`
[INFO] [stdout] a2fefaf0f91a8df11139c81383641cda70bdc80dae446fbe2161c2885ab4169d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eba3391910ed95a84867348b031f05fd77a9644ec2ad1abf4394cc25b3ed5edc
[INFO] running `Command { std: "docker" "start" "-a" "eba3391910ed95a84867348b031f05fd77a9644ec2ad1abf4394cc25b3ed5edc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling preflow-push-multi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_shorter`
[INFO] [stdout]    --> src/main.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 is_shorter,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `is_shorter: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me_in_your`
[INFO] [stdout]    --> src/main.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 me_in_your,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me_in_your`
[INFO] [stdout]    --> src/main.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |             Msg::PushToYou { flow, me_in_your } => {
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flow` is never read
[INFO] [stdout]    --> src/main.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct Edge {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 278 |     cap: Cap,
[INFO] [stdout] 279 |     flow: Flow,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.66s
[INFO] running `Command { std: "docker" "inspect" "eba3391910ed95a84867348b031f05fd77a9644ec2ad1abf4394cc25b3ed5edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba3391910ed95a84867348b031f05fd77a9644ec2ad1abf4394cc25b3ed5edc", kill_on_drop: false }`
[INFO] [stdout] eba3391910ed95a84867348b031f05fd77a9644ec2ad1abf4394cc25b3ed5edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6a62813f6eb2dc3e830f756ae83bb5441e7e1034e3b2ca5147e7050e352cad5e
[INFO] running `Command { std: "docker" "start" "-a" "6a62813f6eb2dc3e830f756ae83bb5441e7e1034e3b2ca5147e7050e352cad5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling preflow-push-multi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_shorter`
[INFO] [stdout]    --> src/main.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 is_shorter,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `is_shorter: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me_in_your`
[INFO] [stdout]    --> src/main.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 me_in_your,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me_in_your`
[INFO] [stdout]    --> src/main.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |             Msg::PushToYou { flow, me_in_your } => {
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flow` is never read
[INFO] [stdout]    --> src/main.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct Edge {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 278 |     cap: Cap,
[INFO] [stdout] 279 |     flow: Flow,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "6a62813f6eb2dc3e830f756ae83bb5441e7e1034e3b2ca5147e7050e352cad5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a62813f6eb2dc3e830f756ae83bb5441e7e1034e3b2ca5147e7050e352cad5e", kill_on_drop: false }`
[INFO] [stdout] 6a62813f6eb2dc3e830f756ae83bb5441e7e1034e3b2ca5147e7050e352cad5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1e6243943f44b181baa30afc1e6a9dbaafeb187f40e911b70443edbcf363756d
[INFO] running `Command { std: "docker" "start" "-a" "1e6243943f44b181baa30afc1e6a9dbaafeb187f40e911b70443edbcf363756d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `is_shorter`
[INFO] [stderr]    --> src/main.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 is_shorter,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try ignoring the field: `is_shorter: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `me_in_your`
[INFO] [stderr]    --> src/main.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 me_in_your,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `me_in_your`
[INFO] [stderr]    --> src/main.rs:157:36
[INFO] [stderr]     |
[INFO] [stderr] 157 |             Msg::PushToYou { flow, me_in_your } => {
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: try ignoring the field: `me_in_your: _`
[INFO] [stderr] 
[INFO] [stderr] warning: field `flow` is never read
[INFO] [stderr]    --> src/main.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 277 | struct Edge {
[INFO] [stderr]     |        ---- field in this struct
[INFO] [stderr] 278 |     cap: Cap,
[INFO] [stderr] 279 |     flow: Flow,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `preflow-push-multi` (bin "preflow-push-multi" test) generated 4 warnings (run `cargo fix --bin "preflow-push-multi" -p preflow-push-multi --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/preflow_push_multi-f3beb0c095c6dc89)
[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" "1e6243943f44b181baa30afc1e6a9dbaafeb187f40e911b70443edbcf363756d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6243943f44b181baa30afc1e6a9dbaafeb187f40e911b70443edbcf363756d", kill_on_drop: false }`
[INFO] [stdout] 1e6243943f44b181baa30afc1e6a9dbaafeb187f40e911b70443edbcf363756d