[INFO] cloning repository https://github.com/NicMcPhee/log-processing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicMcPhee/log-processing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Flog-processing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Flog-processing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4fb34ba965cd41f6a7a00bbdabf34491431d20c
[INFO] checking NicMcPhee/log-processing-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Flog-processing-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicMcPhee/log-processing-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicMcPhee/log-processing-rust
[INFO] finished tweaking git repo https://github.com/NicMcPhee/log-processing-rust
[INFO] tweaked toml for git repo https://github.com/NicMcPhee/log-processing-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NicMcPhee/log-processing-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4d83daf37de4f09500aa31424a1589426c437ef373511c99190dca68345407
[INFO] running `Command { std: "docker" "start" "-a" "2f4d83daf37de4f09500aa31424a1589426c437ef373511c99190dca68345407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4d83daf37de4f09500aa31424a1589426c437ef373511c99190dca68345407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4d83daf37de4f09500aa31424a1589426c437ef373511c99190dca68345407", kill_on_drop: false }`
[INFO] [stdout] 2f4d83daf37de4f09500aa31424a1589426c437ef373511c99190dca68345407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec69a223f8a6016f45e6aeabe9c1532cedbdce657b2033cfdf5dcab51ec299b1
[INFO] running `Command { std: "docker" "start" "-a" "ec69a223f8a6016f45e6aeabe9c1532cedbdce657b2033cfdf5dcab51ec299b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.20
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking log-processing-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/log_file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     io::{Read, BufReader, BufRead},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/log_file.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{bail, Context, Error, Result};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/log_file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     io::{Read, BufReader, BufRead},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/log_file.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{bail, Context, Error, Result};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `failed_logins`
[INFO] [stdout]  --> src/html_report.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(failed_logins: Vec<FailedLogin>) -> Self {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failed_logins`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/html_report.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn save(&self, file_name: &str) {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `failed_logins`
[INFO] [stdout]  --> src/html_report.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(failed_logins: Vec<FailedLogin>) -> Self {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failed_logins`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/html_report.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn save(&self, file_name: &str) {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/log_file.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let result = BufReader::new(entry)
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/log_file.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let result = BufReader::new(entry)
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "ec69a223f8a6016f45e6aeabe9c1532cedbdce657b2033cfdf5dcab51ec299b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec69a223f8a6016f45e6aeabe9c1532cedbdce657b2033cfdf5dcab51ec299b1", kill_on_drop: false }`
[INFO] [stdout] ec69a223f8a6016f45e6aeabe9c1532cedbdce657b2033cfdf5dcab51ec299b1