[INFO] cloning repository https://github.com/lockbook/lf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lockbook/lf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e37bac08f964c0ec336abbcb2bcbcbf26404a93
[INFO] testing lockbook/lf-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lockbook/lf-rs
[INFO] finished tweaking git repo https://github.com/lockbook/lf-rs
[INFO] tweaked toml for git repo https://github.com/lockbook/lf-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lockbook/lf-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lockbook/lf-rs 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad99c2ae12c202a5f2e11f62903c383b3708349e174ae01b236e26614c66462f
[INFO] running `Command { std: "docker" "start" "-a" "ad99c2ae12c202a5f2e11f62903c383b3708349e174ae01b236e26614c66462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad99c2ae12c202a5f2e11f62903c383b3708349e174ae01b236e26614c66462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad99c2ae12c202a5f2e11f62903c383b3708349e174ae01b236e26614c66462f", kill_on_drop: false }`
[INFO] [stdout] ad99c2ae12c202a5f2e11f62903c383b3708349e174ae01b236e26614c66462f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9bf345adca09816faa541b2fb08d7370f74290912c6e9e679727a84f39e8b1a
[INFO] running `Command { std: "docker" "start" "-a" "b9bf345adca09816faa541b2fb08d7370f74290912c6e9e679727a84f39e8b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling atom v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling diff_derive v0.2.3
[INFO] [stderr]    Compiling diff-struct v0.5.3
[INFO] [stderr]    Compiling lf-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/map.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<U, O, F: Fn(&U) -> O, Tx: Sender<Message = O>> Lead<U, O, F, Tx> for SendMap<U, O, F, Tx> {
[INFO] [stdout]    |                            -- expected this type parameter
[INFO] [stdout] 40 |     fn lead(&mut self, follower: SendMap<U, O, F, Tx>) -> &mut SendMap<U, O, F, Tx> {
[INFO] [stdout] 41 |         self.tx = Some(follower);
[INFO] [stdout]    |                   ---- ^^^^^^^^ expected type parameter `Tx`, found `SendMap<U, O, F, Tx>`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `Tx`
[INFO] [stdout]                       found struct `SendMap<U, O, F, Tx>`
[INFO] [stdout] help: the type constructed contains `SendMap<U, O, F, Tx>` due to the type of the argument passed
[INFO] [stdout]   --> src/map.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.tx = Some(follower);
[INFO] [stdout]    |                   ^^^^^--------^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/option.rs:601:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `follower` on type `&mut SendMap<U, O, F, Tx>`
[INFO] [stdout]   --> src/map.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         self.follower.as_mut().unwrap()
[INFO] [stdout]    |              ^^^^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `f`, `tx`, `_u`, `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `<Rx as transport::Receiver<Sequenced<U>>>::RecvError`
[INFO] [stdout]    --> src/lib.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |             self.leader.recv()?.apply(&mut self.state);
[INFO] [stdout]     |                         ------^ the trait `From<transport::RecvError<<Rx as transport::Receiver<Sequenced<U>>>::RecvError>>` is not implemented for `<Rx as transport::Receiver<Sequenced<U>>>::RecvError`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this can't be annotated with `?` because it has type `Result<_, transport::RecvError<<Rx as transport::Receiver<Sequenced<U>>>::RecvError>>`
[INFO] [stdout]     |
[INFO] [stdout] note: `transport::RecvError<<Rx as transport::Receiver<Sequenced<U>>>::RecvError>` needs to implement `Into<<Rx as transport::Receiver<Sequenced<U>>>::RecvError>`
[INFO] [stdout]    --> src/transport/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | pub enum RecvError<I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn sequenced_read_at(&mut self, seq: u64) -> Result<&S, Rx::RecvError> where <Rx as transport::Receiver<Sequenced<U>>>::RecvError: From<transport::RecvError<<Rx as transport::Receiver<Sequenced<U>>>::RecvError>> {
[INFO] [stdout]     |                                                                                ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lf-rs` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b9bf345adca09816faa541b2fb08d7370f74290912c6e9e679727a84f39e8b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9bf345adca09816faa541b2fb08d7370f74290912c6e9e679727a84f39e8b1a", kill_on_drop: false }`
[INFO] [stdout] b9bf345adca09816faa541b2fb08d7370f74290912c6e9e679727a84f39e8b1a