[INFO] cloning repository https://github.com/pengfeixx/catlog [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pengfeixx/catlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengfeixx%2Fcatlog", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengfeixx%2Fcatlog'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07838e92583dade10e72ba91ef03707b8cce91eb [INFO] checking pengfeixx/catlog against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengfeixx%2Fcatlog" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pengfeixx/catlog 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/pengfeixx/catlog [INFO] finished tweaking git repo https://github.com/pengfeixx/catlog [INFO] tweaked toml for git repo https://github.com/pengfeixx/catlog written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pengfeixx/catlog 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] Updating crates.io index [INFO] [stderr] Locking 18 packages [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding fsevent v0.4.0 (latest: v2.1.2) [INFO] [stderr] Downgrading fsevent-sys v4.1.0 -> v2.0.1 (latest: v4.1.0) [INFO] [stderr] Adding fuchsia-zircon v0.3.3 [INFO] [stderr] Adding fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downgrading inotify v0.9.6 -> v0.7.1 (latest: v0.10.2) [INFO] [stderr] Adding iovec v0.1.4 [INFO] [stderr] Adding kernel32-sys v0.2.2 [INFO] [stderr] Adding lazycell v1.3.0 [INFO] [stderr] Downgrading mio v0.8.8 -> v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding mio-extras v2.0.6 [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding net2 v0.2.39 [INFO] [stderr] Downgrading notify v6.1.0 -> v4.0.17 (latest: v6.1.1) [INFO] [stderr] Adding slab v0.4.9 [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winapi-build v0.1.1 [INFO] [stderr] Adding ws2_32-sys v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 218d6832472fbe47424057a7041a0343a4cfbacdb1c386187f4088489d62cb0e [INFO] running `Command { std: "docker" "start" "-a" "218d6832472fbe47424057a7041a0343a4cfbacdb1c386187f4088489d62cb0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "218d6832472fbe47424057a7041a0343a4cfbacdb1c386187f4088489d62cb0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "218d6832472fbe47424057a7041a0343a4cfbacdb1c386187f4088489d62cb0e", kill_on_drop: false }` [INFO] [stdout] 218d6832472fbe47424057a7041a0343a4cfbacdb1c386187f4088489d62cb0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 77c93f85c106e1fe2aab3f4a752bd76e6f3eeb5a8f8c3762b87f454bb7ac5b9c [INFO] running `Command { std: "docker" "start" "-a" "77c93f85c106e1fe2aab3f4a752bd76e6f3eeb5a8f8c3762b87f454bb7ac5b9c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking catlog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Stdout` [INFO] [stdout] --> src/main.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, stdin, stdout, Write, Stdout}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | ... if (current_lines.len() > size) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - if (current_lines.len() > size) { [INFO] [stdout] 80 + if current_lines.len() > size { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let width = term_w as usize; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stdout` [INFO] [stdout] --> src/main.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, stdin, stdout, Write, Stdout}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | ... if (current_lines.len() > size) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - if (current_lines.len() > size) { [INFO] [stdout] 80 + if current_lines.len() > size { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:161:18 [INFO] [stdout] | [INFO] [stdout] 161 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout` [INFO] [stdout] --> src/main.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:183:18 [INFO] [stdout] | [INFO] [stdout] 183 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_index` [INFO] [stdout] --> src/main.rs:227:28 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/main.rs:227:55 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_previous` is never used [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let width = term_w as usize; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:161:18 [INFO] [stdout] | [INFO] [stdout] 161 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout` [INFO] [stdout] --> src/main.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:183:18 [INFO] [stdout] | [INFO] [stdout] 183 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_index` [INFO] [stdout] --> src/main.rs:227:28 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/main.rs:227:55 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_previous` is never used [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s [INFO] running `Command { std: "docker" "inspect" "77c93f85c106e1fe2aab3f4a752bd76e6f3eeb5a8f8c3762b87f454bb7ac5b9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c93f85c106e1fe2aab3f4a752bd76e6f3eeb5a8f8c3762b87f454bb7ac5b9c", kill_on_drop: false }` [INFO] [stdout] 77c93f85c106e1fe2aab3f4a752bd76e6f3eeb5a8f8c3762b87f454bb7ac5b9c [INFO] checking pengfeixx/catlog against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengfeixx%2Fcatlog" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pengfeixx/catlog on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pengfeixx/catlog [INFO] finished tweaking git repo https://github.com/pengfeixx/catlog [INFO] tweaked toml for git repo https://github.com/pengfeixx/catlog written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/pengfeixx/catlog 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee79b0e09e799d646fa17a828495b9cb7c2278855f6ccf7dcec53fe7947fa5e3 [INFO] running `Command { std: "docker" "start" "-a" "ee79b0e09e799d646fa17a828495b9cb7c2278855f6ccf7dcec53fe7947fa5e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee79b0e09e799d646fa17a828495b9cb7c2278855f6ccf7dcec53fe7947fa5e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee79b0e09e799d646fa17a828495b9cb7c2278855f6ccf7dcec53fe7947fa5e3", kill_on_drop: false }` [INFO] [stdout] ee79b0e09e799d646fa17a828495b9cb7c2278855f6ccf7dcec53fe7947fa5e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c815e007cdd854d2b6e29f1318263031a7674e61bd711631c488a13f416141e9 [INFO] running `Command { std: "docker" "start" "-a" "c815e007cdd854d2b6e29f1318263031a7674e61bd711631c488a13f416141e9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking catlog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Stdout` [INFO] [stdout] --> src/main.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, stdin, stdout, Write, Stdout}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | ... if (current_lines.len() > size) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - if (current_lines.len() > size) { [INFO] [stdout] 80 + if current_lines.len() > size { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let width = term_w as usize; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stdout` [INFO] [stdout] --> src/main.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, stdin, stdout, Write, Stdout}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:161:18 [INFO] [stdout] | [INFO] [stdout] 161 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | ... if (current_lines.len() > size) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - if (current_lines.len() > size) { [INFO] [stdout] 80 + if current_lines.len() > size { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout` [INFO] [stdout] --> src/main.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:183:18 [INFO] [stdout] | [INFO] [stdout] 183 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_index` [INFO] [stdout] --> src/main.rs:227:28 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/main.rs:227:55 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_previous` is never used [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/main.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let width = term_w as usize; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:161:18 [INFO] [stdout] | [INFO] [stdout] 161 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `out_type` is never read [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut out_type: OutType = OutType::Normal; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout` [INFO] [stdout] --> src/main.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:183:18 [INFO] [stdout] | [INFO] [stdout] 183 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let mut stdout = stdout().into_raw_mode().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_w` [INFO] [stdout] --> src/main.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | let (term_h, term_w) = term.size(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_index` [INFO] [stdout] --> src/main.rs:227:28 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/main.rs:227:55 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_previous` is never used [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn find_previous(s: &&str, current_index: &mut usize, lines: &mut Vec<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.66s [INFO] running `Command { std: "docker" "inspect" "c815e007cdd854d2b6e29f1318263031a7674e61bd711631c488a13f416141e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c815e007cdd854d2b6e29f1318263031a7674e61bd711631c488a13f416141e9", kill_on_drop: false }` [INFO] [stdout] c815e007cdd854d2b6e29f1318263031a7674e61bd711631c488a13f416141e9