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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TGElder/hanger-lane" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGElder%2Fhanger-lane", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1630f503fed6458cbf34c879ebc0955d1b40c9c
[INFO] documenting TGElder/hanger-lane against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGElder%2Fhanger-lane" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/TGElder/hanger-lane on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/TGElder/hanger-lane
[INFO] tweaked toml for git repo https://github.com/TGElder/hanger-lane written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TGElder/hanger-lane already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/simulation.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub rng: Box<Rng>,
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub rng: Box<dyn Rng>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/simulation.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub updates: Vec<Box<VehicleUpdate>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub updates: Vec<Box<dyn VehicleUpdate>>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/simulation.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub steps: Vec<Box<SimulationStep>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub steps: Vec<Box<dyn SimulationStep>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/traffic_lights.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     timer: RefCell<Box<Timer>>,
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     timer: RefCell<Box<dyn Timer>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/simulation.rs:21:86
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, rng: &mut Box<Rng>);
[INFO] [stdout]    |                                                                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, rng: &mut Box<dyn Rng>);
[INFO] [stdout]    |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/lookahead_driver.rs:47:86
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, rng: &mut Box<Rng>) {
[INFO] [stdout]    |                                                                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, rng: &mut Box<dyn Rng>) {
[INFO] [stdout]    |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/block_occupier.rs:17:87
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, _rng: &mut Box<Rng>) {
[INFO] [stdout]    |                                                                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, _rng: &mut Box<dyn Rng>) {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/block_occupier.rs:37:87
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, _rng: &mut Box<Rng>) {
[INFO] [stdout]    |                                                                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn update(&self, vehicle: &mut Vehicle, occupancy: &mut Occupancy, _rng: &mut Box<dyn Rng>) {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/traffic_lights.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(nodes: Vec<Vec<usize>>, timer: RefCell<Box<Timer>>, occupancy: &mut Occupancy) -> TrafficLights {
[INFO] [stdout]    |                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(nodes: Vec<Vec<usize>>, timer: RefCell<Box<dyn Timer>>, occupancy: &mut Occupancy) -> TrafficLights {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/city.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct City {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 29 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `City` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/hanger_lane/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/main/index.html
[INFO] running `Command { std: "docker" "inspect" "65e89d8fefede51d6738c7e4c42d79db687313723a196bdf4a05ba9d6fbbaba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e89d8fefede51d6738c7e4c42d79db687313723a196bdf4a05ba9d6fbbaba7", kill_on_drop: false }`
[INFO] [stdout] 65e89d8fefede51d6738c7e4c42d79db687313723a196bdf4a05ba9d6fbbaba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f6ad111037bbb374fe2b2828036a04e0897014c24b53f9dc8bc23c142dc9ee
[INFO] running `Command { std: "docker" "start" "-a" "31f6ad111037bbb374fe2b2828036a04e0897014c24b53f9dc8bc23c142dc9ee", kill_on_drop: false }`
[INFO] [stderr]  Documenting hanger_lane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/hanger_lane/index.html
[INFO] running `Command { std: "docker" "inspect" "31f6ad111037bbb374fe2b2828036a04e0897014c24b53f9dc8bc23c142dc9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f6ad111037bbb374fe2b2828036a04e0897014c24b53f9dc8bc23c142dc9ee", kill_on_drop: false }`
[INFO] [stdout] 31f6ad111037bbb374fe2b2828036a04e0897014c24b53f9dc8bc23c142dc9ee
