[INFO] updating cached repository https://github.com/suhanyujie/rust-cookbook-note [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/suhanyujie/rust-cookbook-note [INFO] [stderr] 3e4747a..df1b89d master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] df1b89d19006d589a4d51e1f1cbbf22e3b5d2501 [INFO] checking suhanyujie/rust-cookbook-note against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-cookbook-note" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suhanyujie/rust-cookbook-note on toolchain 71b81291baafb8a58836272757b28817fe1d8190 [INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] finished tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] tweaked toml for git repo https://github.com/suhanyujie/rust-cookbook-note written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/suhanyujie/rust-cookbook-note already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+71b81291baafb8a58836272757b28817fe1d8190" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 343d4bf519657615f2034d8a931f040aa9e7debee4c4291092633098715de3d5 [INFO] running `"docker" "start" "-a" "343d4bf519657615f2034d8a931f040aa9e7debee4c4291092633098715de3d5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking cookbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/notes/alpha.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/notes/copy_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub` [INFO] [stderr] --> src/notes/op_rhs.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stderr] | ^^^ ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `notes::alpha` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use notes::alpha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/notes/alpha.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/notes/copy_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub` [INFO] [stderr] --> src/notes/op_rhs.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stderr] | ^^^ ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `notes::alpha` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use notes::alpha; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 19 | process::exit(-1); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 20 | // 命令行测试 [INFO] [stderr] 21 | command::test_ansi_term(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 19 | process::exit(-1); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 20 | // 命令行测试 [INFO] [stderr] 21 | command::test_ansi_term(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/notes/process_data_competition.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 63 | MyData(data1) => { [INFO] [stderr] | ------------- matches any value [INFO] [stderr] ... [INFO] [stderr] 83 | _ => { [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status` [INFO] [stderr] --> src/command.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | status, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/command.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | stderr, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p_duck` [INFO] [stderr] --> src/notes/alpha.rs:24:22 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d3` [INFO] [stderr] --> src/notes/alpha.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let d3 = d2 as &dyn Bird; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/notes/copy_trait.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let v2 = v1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:66:21 [INFO] [stderr] | [INFO] [stderr] 66 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/notes/process_data_competition.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 63 | MyData(data1) => { [INFO] [stderr] | ------------- matches any value [INFO] [stderr] ... [INFO] [stderr] 83 | _ => { [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `status` [INFO] [stderr] --> src/command.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | status, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/command.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | stderr, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p_duck` [INFO] [stderr] --> src/notes/alpha.rs:24:22 [INFO] [stderr] | [INFO] [stderr] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d3` [INFO] [stderr] --> src/notes/alpha.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let d3 = d2 as &dyn Bird; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/notes/copy_trait.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let v2 = v1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:66:21 [INFO] [stderr] | [INFO] [stderr] 66 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/notes/process_data_competition.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | for i in 0..COUNT { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to data in a dereference of `notes::process_data_competition::SUM0` [INFO] [stderr] --> src/notes/process_data_competition.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | *SUM0 = data1; [INFO] [stderr] | ^^^^^^^^^^^^^ cannot assign [INFO] [stderr] | [INFO] [stderr] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `notes::process_data_competition::SUM0` [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to data in a dereference of `notes::process_data_competition::SUM0` [INFO] [stderr] --> src/notes/process_data_competition.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | *SUM0 = data1; [INFO] [stderr] | ^^^^^^^^^^^^^ cannot assign [INFO] [stderr] | [INFO] [stderr] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `notes::process_data_competition::SUM0` [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to data in a dereference of `notes::process_data_competition::SUM0` [INFO] [stderr] --> src/notes/process_data_competition.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | *SUM0 = data2; [INFO] [stderr] | ^^^^^^^^^^^^^ cannot assign [INFO] [stderr] | [INFO] [stderr] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `notes::process_data_competition::SUM0` [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to data in a dereference of `notes::process_data_competition::SUM0` [INFO] [stderr] --> src/notes/process_data_competition.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | *SUM0 = data2; [INFO] [stderr] | ^^^^^^^^^^^^^ cannot assign [INFO] [stderr] | [INFO] [stderr] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `notes::process_data_competition::SUM0` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 17 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0594`. [INFO] [stderr] error: aborting due to 2 previous errors; 17 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0594`. [INFO] [stderr] error: could not compile `cookbook`. [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] [stderr] error: build failed [INFO] running `"docker" "inspect" "343d4bf519657615f2034d8a931f040aa9e7debee4c4291092633098715de3d5"` [INFO] running `"docker" "rm" "-f" "343d4bf519657615f2034d8a931f040aa9e7debee4c4291092633098715de3d5"` [INFO] [stdout] 343d4bf519657615f2034d8a931f040aa9e7debee4c4291092633098715de3d5