[INFO] cloning repository https://github.com/jarroyer/me_figuring_out_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jarroyer/me_figuring_out_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarroyer%2Fme_figuring_out_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarroyer%2Fme_figuring_out_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 001498d2eff9a40befac425bbaa88e624d9bfced
[INFO] testing jarroyer/me_figuring_out_rust against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarroyer%2Fme_figuring_out_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jarroyer/me_figuring_out_rust
[INFO] finished tweaking git repo https://github.com/jarroyer/me_figuring_out_rust
[INFO] tweaked toml for git repo https://github.com/jarroyer/me_figuring_out_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jarroyer/me_figuring_out_rust on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jarroyer/me_figuring_out_rust 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13da1879d128e6054a709a83d46e93a97242dae5d7df88ac302ad569183411ce
[INFO] running `Command { std: "docker" "start" "-a" "13da1879d128e6054a709a83d46e93a97242dae5d7df88ac302ad569183411ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13da1879d128e6054a709a83d46e93a97242dae5d7df88ac302ad569183411ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13da1879d128e6054a709a83d46e93a97242dae5d7df88ac302ad569183411ce", kill_on_drop: false }`
[INFO] [stdout] 13da1879d128e6054a709a83d46e93a97242dae5d7df88ac302ad569183411ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd517f36c54c1236771659fdb677600fe7b53f0bab0f9b629ffc78813b9b7ad
[INFO] running `Command { std: "docker" "start" "-a" "5fd517f36c54c1236771659fdb677600fe7b53f0bab0f9b629ffc78813b9b7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling messenger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]   --> src/lib.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub struct Consumer <`a> {
[INFO] [stdout] 18 + pub struct Consumer <'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `>`, a const expression, lifetime, or type, found `}`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            -------- while parsing this struct
[INFO] [stdout] 19 |     pub name: String,
[INFO] [stdout] 20 |     pub source: &Vec<Message<'a>,
[INFO] [stdout]    |                                  - expected one of `>`, a const expression, lifetime, or type
[INFO] [stdout] 21 | }
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to end the type parameters here
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub source: &Vec<Message<'a>>,
[INFO] [stdout]    |                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub destination: &Vec<Message<'a>>,
[INFO] [stdout]    |                      ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 13 ~ pub struct Producer<'a> {
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout] 15 ~     pub destination: &'a Vec<Message<'a>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub destination: &Vec<Message<'a>>,
[INFO] [stdout]    |                                   ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Producer<'a> {
[INFO] [stdout]    |                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     buffer: Vec<Message<'a>>
[INFO] [stdout]    |                         ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Transport<'a> {
[INFO] [stdout]    |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn produce(&self, message: &Message<'a>) {
[INFO] [stdout]    |                                             ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn produce<'a>(&self, message: &Message<'a>) {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<'a> Producer {
[INFO] [stdout]    |     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_source(&self, source: &Vec<Message<'a>>) {
[INFO] [stdout]    |                                                   ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_source<'a>(&self, source: &Vec<Message<'a>>) {
[INFO] [stdout]    |                      ++++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'a> Consumer {
[INFO] [stdout]    |     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let buffer: Vec<Message<'a>> = Vec::new();
[INFO] [stdout]    |                                 ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn build<'a>(name: String, producer: Producer, consumer: Consumer) -> Result<Transport, &'static str> {
[INFO] [stdout]    |                 ++++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<'a> Transport {
[INFO] [stdout]    |     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `a` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |                       ^ help: convert the identifier to upper camel case: `A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `Consumer`
[INFO] [stdout]   --> src/lib.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub consumer: Consumer,
[INFO] [stdout]    |                   ^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `a`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            ^^^^^^^^   -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub consumer: Consumer<a>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `a` is never used
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |                       ^ unused type parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `a` to be a const parameter, use `const a: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `Consumer`
[INFO] [stdout]   --> src/lib.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Consumer {
[INFO] [stdout]    |      ^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `a`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            ^^^^^^^^   -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Consumer<a> {
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `Consumer`
[INFO] [stdout]   --> src/lib.rs:47:65
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn build(name: String, source: &Vec<Message>) -> Result<Consumer, &'static str> {
[INFO] [stdout]    |                                                                 ^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `a`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            ^^^^^^^^   -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn build(name: String, source: &Vec<Message>) -> Result<Consumer<a>, &'static str> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `Consumer`
[INFO] [stdout]   --> src/lib.rs:63:62
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn build(name: String, producer: Producer, consumer: Consumer) -> Result<Transport, &'static str> {
[INFO] [stdout]    |                                                              ^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `a`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            ^^^^^^^^   -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn build(name: String, producer: Producer, consumer: Consumer<a>) -> Result<Transport, &'static str> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `Consumer`
[INFO] [stdout]   --> src/lib.rs:70:42
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get_consumer(&self) -> Option<Consumer> {
[INFO] [stdout]    |                                          ^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `a`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Consumer <`a> {
[INFO] [stdout]    |            ^^^^^^^^   -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn get_consumer(&self) -> Option<Consumer<a>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.producer` which is behind a shared reference
[INFO] [stdout]   --> src/lib.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Some(self.producer)
[INFO] [stdout]    |              ^^^^^^^^^^^^^ move occurs because `self.producer` has type `Producer`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: if `Producer` implemented `Clone`, you could clone the value
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Producer {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
[INFO] [stdout] ...
[INFO] [stdout] 75 |         Some(self.producer)
[INFO] [stdout]    |              ------------- you could clone this value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0107, E0261, E0392, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `messenger` (lib) due to 15 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5fd517f36c54c1236771659fdb677600fe7b53f0bab0f9b629ffc78813b9b7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd517f36c54c1236771659fdb677600fe7b53f0bab0f9b629ffc78813b9b7ad", kill_on_drop: false }`
[INFO] [stdout] 5fd517f36c54c1236771659fdb677600fe7b53f0bab0f9b629ffc78813b9b7ad