[INFO] cloning repository https://github.com/t-xinlin/ilearning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-xinlin/ilearning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-xinlin%2Filearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-xinlin%2Filearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e689faa5fcbcdd183e748bfe150d0b083441fb1 [INFO] checking t-xinlin/ilearning-rust against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-xinlin%2Filearning-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/t-xinlin/ilearning-rust on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t-xinlin/ilearning-rust [INFO] finished tweaking git repo https://github.com/t-xinlin/ilearning-rust [INFO] tweaked toml for git repo https://github.com/t-xinlin/ilearning-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paw-attributes v1.0.2 [INFO] [stderr] Downloaded urlencoding v1.3.3 [INFO] [stderr] Downloaded async-process v1.1.0 [INFO] [stderr] Downloaded signal-hook v0.3.9 [INFO] [stderr] Downloaded cron v0.6.1 [INFO] [stderr] Downloaded iso8601 v0.1.1 [INFO] [stderr] Downloaded cron v0.9.0 [INFO] [stderr] Downloaded object v0.25.3 [INFO] [stderr] Downloaded ordered-float v2.5.1 [INFO] [stderr] Downloaded crypto v0.2.0 [INFO] [stderr] Downloaded url_encoded_data v0.6.1 [INFO] [stderr] Downloaded cron v0.8.0 [INFO] [stderr] Downloaded url-escape v0.1.0 [INFO] [stderr] Downloaded locale v0.2.2 [INFO] [stderr] Downloaded crypto-mac v0.11.0 [INFO] [stderr] Downloaded hmac v0.11.0 [INFO] [stderr] Downloaded html-escape v0.2.9 [INFO] [stderr] Downloaded value-bag v1.0.0-alpha.7 [INFO] [stderr] Downloaded paw-raw v1.0.0 [INFO] [stderr] Downloaded actix-macros v0.2.1 [INFO] [stderr] Downloaded pad v0.1.6 [INFO] [stderr] Downloaded async-lock v2.4.0 [INFO] [stderr] Downloaded polling v2.0.3 [INFO] [stderr] Downloaded async-io v1.4.1 [INFO] [stderr] Downloaded paw v1.0.0 [INFO] [stderr] Downloaded futures-lite v1.12.0 [INFO] [stderr] Downloaded datetime v0.4.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c536ecf6cc35ca5c556362718d0604ce7f5dc1f2890e40622b3ea1edce0d54d7 [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" "c536ecf6cc35ca5c556362718d0604ce7f5dc1f2890e40622b3ea1edce0d54d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c536ecf6cc35ca5c556362718d0604ce7f5dc1f2890e40622b3ea1edce0d54d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c536ecf6cc35ca5c556362718d0604ce7f5dc1f2890e40622b3ea1edce0d54d7", kill_on_drop: false }` [INFO] [stdout] c536ecf6cc35ca5c556362718d0604ce7f5dc1f2890e40622b3ea1edce0d54d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a5824288b05554b79df28942705b9336f1c3aa6d8586939807b419d1d378366 [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" "2a5824288b05554b79df28942705b9336f1c3aa6d8586939807b419d1d378366", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling fastrand v1.4.1 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking cpufeatures v0.1.4 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Compiling whoami v1.1.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling funty v1.1.0 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling wyz v0.2.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking rustc-demangle v0.1.19 [INFO] [stderr] Checking utf8-width v0.1.5 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking urlencoding v1.3.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking crypto v0.2.0 [INFO] [stderr] Checking macro-rules v0.1.0 (/opt/rustwide/workdir/macro-rules) [INFO] [stderr] Checking trait-rs v0.1.0 (/opt/rustwide/workdir/trait-rs) [INFO] [stderr] Checking list v0.1.0 (/opt/rustwide/workdir/list) [INFO] [stderr] Checking borrowing-rs v0.1.0 (/opt/rustwide/workdir/borrowing-rs) [INFO] [stderr] Checking map-rs v0.1.0 (/opt/rustwide/workdir/map-rs) [INFO] [stdout] error[E0428]: the name `test_v1` is defined multiple times [INFO] [stdout] --> trait-rs/src/main.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 279 | fn test_v1() { [INFO] [stdout] | ------------ previous definition of the value `test_v1` here [INFO] [stdout] ... [INFO] [stdout] 290 | fn test_v1() { [INFO] [stdout] | ^^^^^^^^^^^^ `test_v1` redefined here [INFO] [stdout] | [INFO] [stdout] = note: `test_v1` must be defined only once in the value namespace of this module [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0428]: the name `test_v1` is defined multiple times [INFO] [stdout] --> trait-rs/src/main.rs:302:5 [INFO] [stdout] | [INFO] [stdout] 279 | fn test_v1() { [INFO] [stdout] | ------------ previous definition of the value `test_v1` here [INFO] [stdout] ... [INFO] [stdout] 302 | fn test_v1() { [INFO] [stdout] | ^^^^^^^^^^^^ `test_v1` redefined here [INFO] [stdout] | [INFO] [stdout] = note: `test_v1` must be defined only once in the value namespace of this module [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking path-rs v0.1.0 (/opt/rustwide/workdir/path-rs) [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0428`. [INFO] [stdout] [INFO] [stderr] error: could not compile `trait-rs` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> map-rs/src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 71 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 72 | [INFO] [stdout] 73 | let it: Vec<_> = (0..20).map(|x| x + 1).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Name` should have a snake case name [INFO] [stdout] --> map-rs/src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | Name: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Age` should have a snake case name [INFO] [stdout] --> map-rs/src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Age: i32, [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `eat_box_i32` [INFO] [stdout] --> borrowing-rs/src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn eat_box_i32(boxed_i32: Box) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `borrow_i32` [INFO] [stdout] --> borrowing-rs/src/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn borrow_i32(borrowed_i32: &i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main1` [INFO] [stdout] --> borrowing-rs/src/main.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn main1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `borrow_book` [INFO] [stdout] --> borrowing-rs/src/main.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn borrow_book(book: &Book) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `new_edition` [INFO] [stdout] --> borrowing-rs/src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn new_edition(book: &mut Book) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main33` [INFO] [stdout] --> borrowing-rs/src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn main33() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main2` [INFO] [stdout] --> borrowing-rs/src/main.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn main2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> borrowing-rs/src/main.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | struct Point { x: i32, y: i32, z: i32 } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main4` [INFO] [stdout] --> borrowing-rs/src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn main4() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> borrowing-rs/src/main.rs:169:17 [INFO] [stdout] | [INFO] [stdout] 169 | struct Point2 { x: i32, y: i32 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> borrowing-rs/src/main.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | struct Point2 { x: i32, y: i32 } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `confPath` should have a snake case name [INFO] [stdout] --> path-rs/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let confPath = Path::new("conf").join(Path::new("log4rs.yaml")); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `conf_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `confPath` should have a snake case name [INFO] [stdout] --> path-rs/src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let confPath = cwd.to_str().unwrap(); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `conf_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> map-rs/src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 71 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 72 | [INFO] [stdout] 73 | let it: Vec<_> = (0..20).map(|x| x + 1).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Name` should have a snake case name [INFO] [stdout] --> map-rs/src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | Name: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Age` should have a snake case name [INFO] [stdout] --> map-rs/src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Age: i32, [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2a5824288b05554b79df28942705b9336f1c3aa6d8586939807b419d1d378366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a5824288b05554b79df28942705b9336f1c3aa6d8586939807b419d1d378366", kill_on_drop: false }` [INFO] [stdout] 2a5824288b05554b79df28942705b9336f1c3aa6d8586939807b419d1d378366