[INFO] cloning repository https://github.com/chengli1986/571b [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengli1986/571b" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengli1986%2F571b", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengli1986%2F571b'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a313ccc0f20adc2291b9cc5f5361cc9b58ff892 [INFO] checking chengli1986/571b against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengli1986%2F571b" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chengli1986/571b on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chengli1986/571b [INFO] finished tweaking git repo https://github.com/chengli1986/571b [INFO] tweaked toml for git repo https://github.com/chengli1986/571b written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/chengli1986/571b already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a19c79d40ce8dff02d9069111627de2ee7f6ab9cc990a29c1f01ee5f41e952d [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" "3a19c79d40ce8dff02d9069111627de2ee7f6ab9cc990a29c1f01ee5f41e952d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a19c79d40ce8dff02d9069111627de2ee7f6ab9cc990a29c1f01ee5f41e952d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a19c79d40ce8dff02d9069111627de2ee7f6ab9cc990a29c1f01ee5f41e952d", kill_on_drop: false }` [INFO] [stdout] 3a19c79d40ce8dff02d9069111627de2ee7f6ab9cc990a29c1f01ee5f41e952d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7bd40d48f9a285cdad452ec5364e4e21413ab4a420cbce6f14f35ae13ddee4e [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" "b7bd40d48f9a285cdad452ec5364e4e21413ab4a420cbce6f14f35ae13ddee4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.26 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking docopt v1.1.1 [INFO] [stderr] Checking COST v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::max` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::cmp::max; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | for _ in (0..count) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:248:18 [INFO] [stdout] | [INFO] [stdout] 248 | for x in (0u32..256) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:249:22 [INFO] [stdout] | [INFO] [stdout] 249 | for y in (0u32..256) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:271:18 [INFO] [stdout] | [INFO] [stdout] 271 | for i in (0 .. 4) { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:287:22 [INFO] [stdout] | [INFO] [stdout] 287 | for log_s in (0u32 .. 4) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:310:22 [INFO] [stdout] | [INFO] [stdout] 310 | for log_s_rev in (0 .. 32) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:323:18 [INFO] [stdout] | [INFO] [stdout] 323 | for log_s in (0 .. 32) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:166:23 [INFO] [stdout] | [INFO] [stdout] 166 | for _iteration in (0 .. 20) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | for node in (0 .. nodes) { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:212:14 [INFO] [stdout] | [INFO] [stdout] 212 | for i in (0 .. roots.len()) { if i as u32 != roots[i] { non_roots += 1; }} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:237:14 [INFO] [stdout] | [INFO] [stdout] 237 | for i in (0 .. label.len()) { if i as u32 != label[i] { non_roots += 1; }} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::max` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::cmp::max; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:32:18 [INFO] [stdout] | [INFO] [stdout] 32 | for _ in (0..count) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:248:18 [INFO] [stdout] | [INFO] [stdout] 248 | for x in (0u32..256) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:249:22 [INFO] [stdout] | [INFO] [stdout] 249 | for y in (0u32..256) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:271:18 [INFO] [stdout] | [INFO] [stdout] 271 | for i in (0 .. 4) { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:287:22 [INFO] [stdout] | [INFO] [stdout] 287 | for log_s in (0u32 .. 4) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:310:22 [INFO] [stdout] | [INFO] [stdout] 310 | for log_s_rev in (0 .. 32) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/hilbert_curve.rs:323:18 [INFO] [stdout] | [INFO] [stdout] 323 | for log_s in (0 .. 32) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:166:23 [INFO] [stdout] | [INFO] [stdout] 166 | for _iteration in (0 .. 20) { [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | for node in (0 .. nodes) { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:212:14 [INFO] [stdout] | [INFO] [stdout] 212 | for i in (0 .. roots.len()) { if i as u32 != roots[i] { non_roots += 1; }} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:237:14 [INFO] [stdout] | [INFO] [stdout] 237 | for i in (0 .. label.len()) { if i as u32 != label[i] { non_roots += 1; }} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/hilbert_curve.rs:208:31 [INFO] [stdout] | [INFO] [stdout] 208 | val => panic!(format!("Found : ({:x}, {:x})", val.0, val.1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 208 | val => panic!("Found : ({:x}, {:x})", val.0, val.1), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `COST` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/hilbert_curve.rs:208:31 [INFO] [stdout] | [INFO] [stdout] 208 | val => panic!(format!("Found : ({:x}, {:x})", val.0, val.1)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 208 | val => panic!("Found : ({:x}, {:x})", val.0, val.1), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `COST` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.78s [INFO] running `Command { std: "docker" "inspect" "b7bd40d48f9a285cdad452ec5364e4e21413ab4a420cbce6f14f35ae13ddee4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7bd40d48f9a285cdad452ec5364e4e21413ab4a420cbce6f14f35ae13ddee4e", kill_on_drop: false }` [INFO] [stdout] b7bd40d48f9a285cdad452ec5364e4e21413ab4a420cbce6f14f35ae13ddee4e