[INFO] cloning repository https://github.com/starryflow/praesepe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/starryflow/praesepe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarryflow%2Fpraesepe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarryflow%2Fpraesepe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e6090decf452d495bd3f45a642ce64b14dca133
[INFO] checking starryflow/praesepe against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarryflow%2Fpraesepe" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/starryflow/praesepe
[INFO] finished tweaking git repo https://github.com/starryflow/praesepe
[INFO] tweaked toml for git repo https://github.com/starryflow/praesepe written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/starryflow/praesepe on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/starryflow/praesepe 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9bc65038d7b64d7be92d82a956c5336129d45eeeb986d0a9c86de1a1e93fc2
[INFO] running `Command { std: "docker" "start" "-a" "ff9bc65038d7b64d7be92d82a956c5336129d45eeeb986d0a9c86de1a1e93fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9bc65038d7b64d7be92d82a956c5336129d45eeeb986d0a9c86de1a1e93fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9bc65038d7b64d7be92d82a956c5336129d45eeeb986d0a9c86de1a1e93fc2", kill_on_drop: false }`
[INFO] [stdout] ff9bc65038d7b64d7be92d82a956c5336129d45eeeb986d0a9c86de1a1e93fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3050aad7a51e627576b497ada08ee939597ae0c54691f0c2e1a2ad3cd1f826d1
[INFO] running `Command { std: "docker" "start" "-a" "3050aad7a51e627576b497ada08ee939597ae0c54691f0c2e1a2ad3cd1f826d1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:116:32
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tso/src/etcd/etcd_facade.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:116:32
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tso/src/etcd/etcd_facade.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Self::ShimDatabase(s) => todo!(),
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tso/src/etcd/etcd_proto/watch_stream.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn events(&self) -> Vec<Event> {
[INFO] [stdout]    |                   ^^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn events(&self) -> Vec<Event<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tso/src/etcd/etcd_proto/watch_stream.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn events(&self) -> Vec<Event> {
[INFO] [stdout]    |                   ^^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn events(&self) -> Vec<Event<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4, proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3050aad7a51e627576b497ada08ee939597ae0c54691f0c2e1a2ad3cd1f826d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3050aad7a51e627576b497ada08ee939597ae0c54691f0c2e1a2ad3cd1f826d1", kill_on_drop: false }`
[INFO] [stdout] 3050aad7a51e627576b497ada08ee939597ae0c54691f0c2e1a2ad3cd1f826d1
