[INFO] cloning repository https://github.com/Cristiandi/course-rust-in-motion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cristiandi/course-rust-in-motion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 812eadf4584a270a9207a8e3797e5afc88d2993b [INFO] checking Cristiandi/course-rust-in-motion against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cristiandi/course-rust-in-motion on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] finished tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] tweaked toml for git repo https://github.com/Cristiandi/course-rust-in-motion written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Cristiandi/course-rust-in-motion already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 792c743ae12c3ab6a591ea6d7037c04b9fbcf6274fd334fe973654feb6923ea2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "792c743ae12c3ab6a591ea6d7037c04b9fbcf6274fd334fe973654feb6923ea2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "792c743ae12c3ab6a591ea6d7037c04b9fbcf6274fd334fe973654feb6923ea2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792c743ae12c3ab6a591ea6d7037c04b9fbcf6274fd334fe973654feb6923ea2", kill_on_drop: false }` [INFO] [stdout] 792c743ae12c3ab6a591ea6d7037c04b9fbcf6274fd334fe973654feb6923ea2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8684f43bc4df69f5c078c840cd987ccb44f65c00fa78c45a4b11d9985c4019ef [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8684f43bc4df69f5c078c840cd987ccb44f65c00fa78c45a4b11d9985c4019ef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling backtrace v0.3.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking myproject v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unit-3/04_2_use_q_mark_main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clock` [INFO] [stdout] --> src/unit-1/08_structs.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let clock = Clock::Analog { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_clock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/08_structs.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 2 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/08_structs.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/08_structs.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `position` [INFO] [stdout] --> src/unit-1/08_structs.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | position: HockeyPosition, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sundial` [INFO] [stdout] --> src/unit-1/08_structs.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | Sundial { hours: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Digital` [INFO] [stdout] --> src/unit-1/08_structs.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | Digital { hours: u8, minutes: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hours` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minutes` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `seconds` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/09_methods.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/09_methods.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/09_methods.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/unit-1/09_methods.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clock` [INFO] [stdout] --> src/unit-1/08_structs.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let clock = Clock::Analog { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_clock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unit-3/04_2_use_q_mark_main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/08_structs.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 2 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/08_structs.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/08_structs.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `position` [INFO] [stdout] --> src/unit-1/08_structs.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | position: HockeyPosition, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sundial` [INFO] [stdout] --> src/unit-1/08_structs.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | Sundial { hours: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Digital` [INFO] [stdout] --> src/unit-1/08_structs.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | Digital { hours: u8, minutes: u8 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hours` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minutes` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `seconds` [INFO] [stdout] --> src/unit-1/08_structs.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | Analog { hours: u8, minutes: u8, seconds: u8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Center` [INFO] [stdout] --> src/unit-1/09_methods.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Center, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Defense` [INFO] [stdout] --> src/unit-1/09_methods.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | Defense, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Goalie` [INFO] [stdout] --> src/unit-1/09_methods.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | Goalie, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/unit-1/09_methods.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/unit-3/07_2_failure.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/unit-3/07_2_failure.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.58s [INFO] running `Command { std: "docker" "inspect" "8684f43bc4df69f5c078c840cd987ccb44f65c00fa78c45a4b11d9985c4019ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8684f43bc4df69f5c078c840cd987ccb44f65c00fa78c45a4b11d9985c4019ef", kill_on_drop: false }` [INFO] [stdout] 8684f43bc4df69f5c078c840cd987ccb44f65c00fa78c45a4b11d9985c4019ef