[INFO] fetching crate follow 0.1.5... [INFO] checking follow-0.1.5 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate follow 0.1.5 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate follow 0.1.5 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 69 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (available: v1.1.3) [INFO] [stderr] Adding ansi_term v0.9.0 (available: v0.12.1) [INFO] [stderr] Adding atom v0.3.6 (available: v0.4.0) [INFO] [stderr] Adding chrono v0.3.0 (available: v0.4.38) [INFO] [stderr] Adding docopt v0.7.0 (available: v1.1.1) [INFO] [stderr] Adding error-chain v0.10.0 (available: v0.12.4) [INFO] [stderr] Adding fern v0.3.5 (available: v0.6.2) [INFO] [stderr] Adding glob v0.2.11 (available: v0.3.1) [INFO] [stderr] Adding lazy_static v0.2.11 (available: v1.5.0) [INFO] [stderr] Adding log v0.3.9 (available: v0.4.22) [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (available: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (available: v0.8.4) [INFO] [stderr] Adding remove_dir_all v0.5.3 (available: v0.8.4) [INFO] [stderr] Adding strsim v0.6.0 (available: v0.11.1) [INFO] [stderr] Adding terminal_size v0.1.17 (available: v0.4.0) [INFO] [stderr] Adding thread_local v0.3.6 (available: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding ucd-util v0.1.10 (available: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pulse v0.5.3 [INFO] [stderr] Downloaded timebomb v0.1.2 [INFO] [stderr] Downloaded chrono v0.3.0 [INFO] [stderr] Downloaded docopt v0.7.0 [INFO] [stderr] Downloaded atom v0.3.6 [INFO] [stderr] Downloaded fern v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c7e6c7bad9d90f6b9af18b65ab008dab55a74c054d6f4bf0177a1d7a9ff5339 [INFO] running `Command { std: "docker" "start" "-a" "6c7e6c7bad9d90f6b9af18b65ab008dab55a74c054d6f4bf0177a1d7a9ff5339", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c7e6c7bad9d90f6b9af18b65ab008dab55a74c054d6f4bf0177a1d7a9ff5339", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c7e6c7bad9d90f6b9af18b65ab008dab55a74c054d6f4bf0177a1d7a9ff5339", kill_on_drop: false }` [INFO] [stdout] 6c7e6c7bad9d90f6b9af18b65ab008dab55a74c054d6f4bf0177a1d7a9ff5339 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1f90bcf3b38edb5393790fee150d23f341df8d06992adac014d45381848d6ee [INFO] running `Command { std: "docker" "start" "-a" "e1f90bcf3b38edb5393790fee150d23f341df8d06992adac014d45381848d6ee", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking atom v0.3.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking fern v0.3.5 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking pulse v0.5.3 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Checking timebomb v0.1.2 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking docopt v0.7.0 [INFO] [stderr] Checking backtrace v0.3.74 [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': derive macro for `rustc-serialize`; should not be used in new code [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[deny(soft_unstable)]` on by default [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 index expression [INFO] [stdout] --> src/worker.rs:147:32 [INFO] [stdout] | [INFO] [stdout] 147 | &mut buf.bytes[(..)] [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 147 - &mut buf.bytes[(..)] [INFO] [stdout] 147 + &mut buf.bytes[..] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/worker.rs:149:32 [INFO] [stdout] | [INFO] [stdout] 149 | &mut buf.bytes[(0..available_size)] [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 149 - &mut buf.bytes[(0..available_size)] [INFO] [stdout] 149 + &mut buf.bytes[0..available_size] [INFO] [stdout] | [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] 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] = 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] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code [INFO] [stdout] --> src/args.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[deny(soft_unstable)]` on by default [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 index expression [INFO] [stdout] --> src/worker.rs:147:32 [INFO] [stdout] | [INFO] [stdout] 147 | &mut buf.bytes[(..)] [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 147 - &mut buf.bytes[(..)] [INFO] [stdout] 147 + &mut buf.bytes[..] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/worker.rs:149:32 [INFO] [stdout] | [INFO] [stdout] 149 | &mut buf.bytes[(0..available_size)] [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 149 - &mut buf.bytes[(0..available_size)] [INFO] [stdout] 149 + &mut buf.bytes[0..available_size] [INFO] [stdout] | [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] 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] = 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] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 228 | static LOGGER_IS_SETUP: AtomicBool = AtomicBool::new(false); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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 `flag_verbose` is never read [INFO] [stdout] --> src/args.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 19 | arg_path: Vec, [INFO] [stdout] 20 | flag_verbose: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_verbose` is never used [INFO] [stdout] --> src/args.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Args { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `follow` (bin "follow") due to 3 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `flag_verbose` is never read [INFO] [stdout] --> src/args.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 19 | arg_path: Vec, [INFO] [stdout] 20 | flag_verbose: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_verbose` is never used [INFO] [stdout] --> src/args.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Args { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `follow` (bin "follow" test) due to 3 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e1f90bcf3b38edb5393790fee150d23f341df8d06992adac014d45381848d6ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1f90bcf3b38edb5393790fee150d23f341df8d06992adac014d45381848d6ee", kill_on_drop: false }` [INFO] [stdout] e1f90bcf3b38edb5393790fee150d23f341df8d06992adac014d45381848d6ee