[INFO] cloning repository https://github.com/vtavernier/transmission-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vtavernier/transmission-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Ftransmission-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Ftransmission-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 306ac99740fdc059a8c133f9793066c8966b232d
[INFO] building vtavernier/transmission-proxy against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Ftransmission-proxy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vtavernier/transmission-proxy on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/vtavernier/transmission-proxy
[INFO] finished tweaking git repo https://github.com/vtavernier/transmission-proxy
[INFO] tweaked toml for git repo https://github.com/vtavernier/transmission-proxy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vtavernier/transmission-proxy 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b06f01ba229df727afa807d5d522c5898486c93b1e2bb3ff4bc10c6f3b87db54
[INFO] running `Command { std: "docker" "start" "-a" "b06f01ba229df727afa807d5d522c5898486c93b1e2bb3ff4bc10c6f3b87db54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b06f01ba229df727afa807d5d522c5898486c93b1e2bb3ff4bc10c6f3b87db54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06f01ba229df727afa807d5d522c5898486c93b1e2bb3ff4bc10c6f3b87db54", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2128f564155cc70e35bf3e4500fbdfefdc0c2848563fb75b31fc3ff80470936a
[INFO] running `Command { std: "docker" "start" "-a" "2128f564155cc70e35bf3e4500fbdfefdc0c2848563fb75b31fc3ff80470936a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling transmission-rpc-client v1.2.1 (/opt/rustwide/workdir/crates/transmission-rpc-client)
[INFO] [stderr]    Compiling async-session v3.0.0
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling oauth2 v4.4.2
[INFO] [stderr]    Compiling transmission-proxy v1.2.1 (/opt/rustwide/workdir/crates/transmission-proxy)
[INFO] [stdout] warning: method `torrent_ids` is never used
[INFO] [stdout]   --> crates/transmission-proxy/src/rpc/proxy.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait MaybeTorrentIds {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] 76 |     fn torrent_ids(&self) -> Option<&dyn HasTorrentIds>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> crates/transmission-proxy/src/rpc/proxy.rs:414:37
[INFO] [stdout]     |
[INFO] [stdout] 414 |                         for list in &mut torrent.announce_list {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         while let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         if let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "2128f564155cc70e35bf3e4500fbdfefdc0c2848563fb75b31fc3ff80470936a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2128f564155cc70e35bf3e4500fbdfefdc0c2848563fb75b31fc3ff80470936a", kill_on_drop: false }`
[INFO] [stdout] 2128f564155cc70e35bf3e4500fbdfefdc0c2848563fb75b31fc3ff80470936a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6afc737e6b37e8561c20d1487eb43b3dc40918c148b7eafd9d3f57f2414df06
[INFO] running `Command { std: "docker" "start" "-a" "e6afc737e6b37e8561c20d1487eb43b3dc40918c148b7eafd9d3f57f2414df06", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-rustls v0.23.3
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tower-http v0.3.5
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling transmission-rpc-client v1.2.1 (/opt/rustwide/workdir/crates/transmission-rpc-client)
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling axum v0.6.2
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling oauth2 v4.4.2
[INFO] [stderr]    Compiling transmission-proxy v1.2.1 (/opt/rustwide/workdir/crates/transmission-proxy)
[INFO] [stdout] warning: method `torrent_ids` is never used
[INFO] [stdout]   --> crates/transmission-proxy/src/rpc/proxy.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait MaybeTorrentIds {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] 76 |     fn torrent_ids(&self) -> Option<&dyn HasTorrentIds>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> crates/transmission-proxy/src/rpc/proxy.rs:414:37
[INFO] [stdout]     |
[INFO] [stdout] 414 |                         for list in &mut torrent.announce_list {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         while let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         if let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `torrent_ids` is never used
[INFO] [stdout]   --> crates/transmission-proxy/src/rpc/proxy.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait MaybeTorrentIds {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] 76 |     fn torrent_ids(&self) -> Option<&dyn HasTorrentIds>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> crates/transmission-proxy/src/rpc/proxy.rs:414:37
[INFO] [stdout]     |
[INFO] [stdout] 414 |                         for list in &mut torrent.announce_list {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         while let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 414 -                         for list in &mut torrent.announce_list {
[INFO] [stdout] 414 +                         if let Some(list) = &mut torrent.announce_list {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.58s
[INFO] running `Command { std: "docker" "inspect" "e6afc737e6b37e8561c20d1487eb43b3dc40918c148b7eafd9d3f57f2414df06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6afc737e6b37e8561c20d1487eb43b3dc40918c148b7eafd9d3f57f2414df06", kill_on_drop: false }`
[INFO] [stdout] e6afc737e6b37e8561c20d1487eb43b3dc40918c148b7eafd9d3f57f2414df06