[INFO] updating cached repository https://github.com/huwb/learningrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 419b6eacb02bba0520897cba8888fb5184f3a1b8
[INFO] checking huwb/learningrust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwb%2Flearningrust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huwb/learningrust on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/huwb/learningrust
[INFO] finished tweaking git repo https://github.com/huwb/learningrust
[INFO] tweaked toml for git repo https://github.com/huwb/learningrust written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/huwb/learningrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3f553531c80b49da10780c0b9270a6e921a6061cc24d60f89183c7ed8ac5c78
[INFO] running `"docker" "start" "-a" "d3f553531c80b49da10780c0b9270a6e921a6061cc24d60f89183c7ed8ac5c78"`
[INFO] [stderr]     Checking simple-stopwatch v0.1.4
[INFO] [stderr]     Checking learningrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     state: Option<Box<State>>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:68:47
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:82:40
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/patterns_chapter.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Some(y @ 1...3) => println!("It's a thricer: {}", y),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     state: Option<Box<State>>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:68:47
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:82:40
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/patterns_chapter.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Some(y @ 1...3) => println!("It's a thricer: {}", y),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `"docker" "inspect" "d3f553531c80b49da10780c0b9270a6e921a6061cc24d60f89183c7ed8ac5c78"`
[INFO] running `"docker" "rm" "-f" "d3f553531c80b49da10780c0b9270a6e921a6061cc24d60f89183c7ed8ac5c78"`
[INFO] [stdout] d3f553531c80b49da10780c0b9270a6e921a6061cc24d60f89183c7ed8ac5c78