[INFO] cloning repository https://github.com/tdbgamer/Tail [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdbgamer/Tail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2FTail", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2FTail'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1069726689b1a085d4addbd7e10ce803059b20b5 [INFO] testing tdbgamer/Tail against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2FTail" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tdbgamer/Tail on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tdbgamer/Tail [INFO] finished tweaking git repo https://github.com/tdbgamer/Tail [INFO] tweaked toml for git repo https://github.com/tdbgamer/Tail written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/tdbgamer/Tail already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bc5f0896101650f395e839ad0c0ac09bb31c421ef1f67a1e6874ce99bf3f006 [INFO] running `Command { std: "docker" "start" "-a" "9bc5f0896101650f395e839ad0c0ac09bb31c421ef1f67a1e6874ce99bf3f006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bc5f0896101650f395e839ad0c0ac09bb31c421ef1f67a1e6874ce99bf3f006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bc5f0896101650f395e839ad0c0ac09bb31c421ef1f67a1e6874ce99bf3f006", kill_on_drop: false }` [INFO] [stdout] 9bc5f0896101650f395e839ad0c0ac09bb31c421ef1f67a1e6874ce99bf3f006 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4618cbd2f6de2fb49e6fcf6b8b1b621176aa580e83e9648df99403df90ad2e85 [INFO] running `Command { std: "docker" "start" "-a" "4618cbd2f6de2fb49e6fcf6b8b1b621176aa580e83e9648df99403df90ad2e85", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling getopts v0.2.17 [INFO] [stderr] Compiling inotify-sys v0.1.2 [INFO] [stderr] Compiling inotify v0.5.0 [INFO] [stderr] Compiling tail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut wd = watcher.add_watch(Path::new(&file_name), WatchMask::MODIFY) [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut fd = File::open(&file_name) [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:64:28 [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { panic!(f.to_string()) } [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { std::panic::panic_any(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.89s [INFO] running `Command { std: "docker" "inspect" "4618cbd2f6de2fb49e6fcf6b8b1b621176aa580e83e9648df99403df90ad2e85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4618cbd2f6de2fb49e6fcf6b8b1b621176aa580e83e9648df99403df90ad2e85", kill_on_drop: false }` [INFO] [stdout] 4618cbd2f6de2fb49e6fcf6b8b1b621176aa580e83e9648df99403df90ad2e85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60d1fd272d14cae2632227aeb7b9bacb654721eb4d691dc96d674a2118d5ccb1 [INFO] running `Command { std: "docker" "start" "-a" "60d1fd272d14cae2632227aeb7b9bacb654721eb4d691dc96d674a2118d5ccb1", kill_on_drop: false }` [INFO] [stderr] Compiling tail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut wd = watcher.add_watch(Path::new(&file_name), WatchMask::MODIFY) [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut fd = File::open(&file_name) [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:64:28 [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { panic!(f.to_string()) } [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 64 | Err(f) => { std::panic::panic_any(f.to_string()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "60d1fd272d14cae2632227aeb7b9bacb654721eb4d691dc96d674a2118d5ccb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60d1fd272d14cae2632227aeb7b9bacb654721eb4d691dc96d674a2118d5ccb1", kill_on_drop: false }` [INFO] [stdout] 60d1fd272d14cae2632227aeb7b9bacb654721eb4d691dc96d674a2118d5ccb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cf2dc542f99332b1d43bc6dfdcca7e8409ab11b19c47cbf39d2b2ed2fc08a1f0 [INFO] running `Command { std: "docker" "start" "-a" "cf2dc542f99332b1d43bc6dfdcca7e8409ab11b19c47cbf39d2b2ed2fc08a1f0", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 88 | let mut wd = watcher.add_watch(Path::new(&file_name), WatchMask::MODIFY) [INFO] [stdout] [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | let mut fd = File::open(&file_name) [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:64:28 [INFO] [stderr] | [INFO] [stderr] 64 | Err(f) => { panic!(f.to_string()) } [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 64 | Err(f) => { panic!("{}", f.to_string()) } [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 64 | Err(f) => { std::panic::panic_any(f.to_string()) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tail-bf2b6bcdcd91b90b) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tail-0849a27c94347294) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tail [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - BackwardsReader (line 23) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - BackwardsReader (line 23) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BackwardsReader` [INFO] [stdout] --> src/lib.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 4 | let mut reader = BackwardsReader::new(10, &mut writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^ use of undeclared type `BackwardsReader` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BufWriter` [INFO] [stdout] --> src/lib.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 3 | let mut writer = BufWriter::new(std::io::stdout()); [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::BufWriter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - BackwardsReader (line 23) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "cf2dc542f99332b1d43bc6dfdcca7e8409ab11b19c47cbf39d2b2ed2fc08a1f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2dc542f99332b1d43bc6dfdcca7e8409ab11b19c47cbf39d2b2ed2fc08a1f0", kill_on_drop: false }` [INFO] [stdout] cf2dc542f99332b1d43bc6dfdcca7e8409ab11b19c47cbf39d2b2ed2fc08a1f0