[INFO] updating cached repository https://github.com/brianjiang2200/grade_tracker [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7add867383501a4a8f1bd572c551973c1702e09b [INFO] checking brianjiang2200/grade_tracker against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianjiang2200%2Fgrade_tracker" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brianjiang2200/grade_tracker on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/brianjiang2200/grade_tracker [INFO] finished tweaking git repo https://github.com/brianjiang2200/grade_tracker [INFO] tweaked toml for git repo https://github.com/brianjiang2200/grade_tracker written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/brianjiang2200/grade_tracker already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 025ba145fb139e08459c5bd8c02327fb16500ca0c19eb116804375632c4681f7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "025ba145fb139e08459c5bd8c02327fb16500ca0c19eb116804375632c4681f7"` [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking json v0.12.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Checking serde v1.0.103 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking grade_tracker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/courses.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Summative` [INFO] [stderr] --> src/courses.rs:23:31 [INFO] [stderr] | [INFO] [stderr] 23 | use crate::jsondata::{Course, Summative}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/summative.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/summative.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/courses.rs:41:62 [INFO] [stderr] | [INFO] [stderr] 41 | Err(why) => panic!("couldn't create {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/courses.rs:54:65 [INFO] [stderr] | [INFO] [stderr] 54 | Err(why) => panic!("Couldn't write to {}: {}.", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/courses.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Summative` [INFO] [stderr] --> src/courses.rs:23:31 [INFO] [stderr] | [INFO] [stderr] 23 | use crate::jsondata::{Course, Summative}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/summative.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/summative.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/courses.rs:41:62 [INFO] [stderr] | [INFO] [stderr] 41 | Err(why) => panic!("couldn't create {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/courses.rs:54:65 [INFO] [stderr] | [INFO] [stderr] 54 | Err(why) => panic!("Couldn't write to {}: {}.", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:175:83 [INFO] [stderr] | [INFO] [stderr] 175 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:258:83 [INFO] [stderr] | [INFO] [stderr] 258 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:126:7 [INFO] [stderr] | [INFO] [stderr] 126 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:214:7 [INFO] [stderr] | [INFO] [stderr] 214 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:350:7 [INFO] [stderr] | [INFO] [stderr] 350 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:175:83 [INFO] [stderr] | [INFO] [stderr] 175 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/summative.rs:258:83 [INFO] [stderr] | [INFO] [stderr] 258 | Err(why) => panic!("Could not write summative information to file...{}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:126:7 [INFO] [stderr] | [INFO] [stderr] 126 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:214:7 [INFO] [stderr] | [INFO] [stderr] 214 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `index` is never read [INFO] [stderr] --> src/summative.rs:350:7 [INFO] [stderr] | [INFO] [stderr] 350 | let mut index = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.05s [INFO] running `"docker" "inspect" "025ba145fb139e08459c5bd8c02327fb16500ca0c19eb116804375632c4681f7"` [INFO] running `"docker" "rm" "-f" "025ba145fb139e08459c5bd8c02327fb16500ca0c19eb116804375632c4681f7"` [INFO] [stdout] 025ba145fb139e08459c5bd8c02327fb16500ca0c19eb116804375632c4681f7