[INFO] fetching crate follow 0.1.5... [INFO] checking follow-0.1.5 against try#218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa for pr-92594 [INFO] extracting crate follow 0.1.5 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate follow 0.1.5 on toolchain 218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate follow 0.1.5 [INFO] finished tweaking crates.io crate follow 0.1.5 [INFO] tweaked toml for crates.io crate follow 0.1.5 written to /workspace/builds/worker-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bf4f6693e83b4f845a050111d422145cc253c391af2d45d05a908a9c869273d [INFO] running `Command { std: "docker" "start" "-a" "3bf4f6693e83b4f845a050111d422145cc253c391af2d45d05a908a9c869273d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bf4f6693e83b4f845a050111d422145cc253c391af2d45d05a908a9c869273d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bf4f6693e83b4f845a050111d422145cc253c391af2d45d05a908a9c869273d", kill_on_drop: false }` [INFO] [stdout] 3bf4f6693e83b4f845a050111d422145cc253c391af2d45d05a908a9c869273d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32750116946b29a7b5b32a7c455001dce5f1c1b521a41e81e2ffa9aa21336ca3 [INFO] running `Command { std: "docker" "start" "-a" "32750116946b29a7b5b32a7c455001dce5f1c1b521a41e81e2ffa9aa21336ca3", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking atom v0.3.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking libc v0.2.112 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking fern v0.3.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.3.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking pulse v0.5.3 [INFO] [stderr] Checking timebomb v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking docopt v0.7.0 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking follow v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/worker.rs:180:27 [INFO] [stdout] | [INFO] [stdout] 180 | return Ok((cursor..len)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 180 - return Ok((cursor..len)); [INFO] [stdout] 180 + return Ok(cursor..len); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/worker.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | return Ok((0..len)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 189 - return Ok((0..len)); [INFO] [stdout] 189 + return Ok(0..len); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:143:28 [INFO] [stdout] | [INFO] [stdout] 143 | Some((Width(w @ 20 ... 200), _)) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/worker.rs:180:27 [INFO] [stdout] | [INFO] [stdout] 180 | return Ok((cursor..len)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 180 - return Ok((cursor..len)); [INFO] [stdout] 180 + return Ok(cursor..len); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/worker.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | return Ok((0..len)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 189 - return Ok((0..len)); [INFO] [stdout] 189 + return Ok(0..len); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/worker.rs:658:46 [INFO] [stdout] | [INFO] [stdout] 658 | let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 658 - let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1)); [INFO] [stdout] 658 + let content = build_sized_string(((BUFFER_SIZE as usize) * 2) - 1); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:143:28 [INFO] [stdout] | [INFO] [stdout] 143 | Some((Width(w @ 20 ... 200), _)) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/worker.rs:218:28 [INFO] [stdout] | [INFO] [stdout] 218 | use std::sync::atomic::ATOMIC_BOOL_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/worker.rs:228:42 [INFO] [stdout] | [INFO] [stdout] 228 | static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/worker.rs:244:29 [INFO] [stdout] | [INFO] [stdout] 244 | if !LOGGER_IS_SETUP.compare_and_swap(false, true, Ordering::SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flag_verbose` [INFO] [stdout] --> src/args.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | flag_verbose: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_verbose` [INFO] [stdout] --> src/args.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `follow` due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field is never read: `flag_verbose` [INFO] [stdout] --> src/args.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | flag_verbose: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_verbose` [INFO] [stdout] --> src/args.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "32750116946b29a7b5b32a7c455001dce5f1c1b521a41e81e2ffa9aa21336ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32750116946b29a7b5b32a7c455001dce5f1c1b521a41e81e2ffa9aa21336ca3", kill_on_drop: false }` [INFO] [stdout] 32750116946b29a7b5b32a7c455001dce5f1c1b521a41e81e2ffa9aa21336ca3