[INFO] fetching crate cowstr 1.3.0... [INFO] checking cowstr-1.3.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate cowstr 1.3.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate cowstr 1.3.0 [INFO] finished tweaking crates.io crate cowstr 1.3.0 [INFO] tweaked toml for crates.io crate cowstr 1.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cowstr 1.3.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding code-product v0.3.0 (available: v0.4.2) [INFO] [stderr] Adding constptr v0.2.0 (available: v0.3.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded code-product-macro v0.3.0 [INFO] [stderr] Downloaded code-product-lib v0.3.0 [INFO] [stderr] Downloaded code-product v0.3.0 [INFO] [stderr] Downloaded constptr v0.2.0 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cbce9da4acde0ab32b51bc3c84eef7e01fa8f04faa8f5f32615ef505f14f230 [INFO] running `Command { std: "docker" "start" "-a" "5cbce9da4acde0ab32b51bc3c84eef7e01fa8f04faa8f5f32615ef505f14f230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cbce9da4acde0ab32b51bc3c84eef7e01fa8f04faa8f5f32615ef505f14f230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cbce9da4acde0ab32b51bc3c84eef7e01fa8f04faa8f5f32615ef505f14f230", kill_on_drop: false }` [INFO] [stdout] 5cbce9da4acde0ab32b51bc3c84eef7e01fa8f04faa8f5f32615ef505f14f230 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7400787d66d44fa93550eb54ab2a9cb5bc8dfab7f74594b263cee4307e04f13 [INFO] running `Command { std: "docker" "start" "-a" "e7400787d66d44fa93550eb54ab2a9cb5bc8dfab7f74594b263cee4307e04f13", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Checking unicode-ident v1.0.22 [INFO] [stderr] Checking constptr v0.2.0 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Compiling code-product-lib v0.3.0 [INFO] [stderr] Compiling code-product-macro v0.3.0 [INFO] [stderr] Checking code-product v0.3.0 [INFO] [stderr] Checking cowstr v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `NotSend` is never constructed [INFO] [stdout] --> src/cowstr.rs:1836:8 [INFO] [stdout] | [INFO] [stdout] 1836 | struct NotSend(std::marker::PhantomData<*const ()>); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly_assert_matches` [INFO] [stdout] --> tests/substr.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, and `serde` [INFO] [stdout] = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly_assert_matches` [INFO] [stdout] --> tests/substr.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "nightly_assert_matches")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, and `serde` [INFO] [stdout] = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/substr.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))] [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | #[cfg(feature = "nightly_assert_matches")] [INFO] [stdout] 4 | | use std::assert_matches::assert_matches; [INFO] [stdout] ... | [INFO] [stdout] 866 | | assert_eq!(s.as_bytes()[9], b'd'); [INFO] [stdout] 867 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly_assert_matches` [INFO] [stdout] --> tests/cowstr.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, and `serde` [INFO] [stdout] = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly_assert_matches` [INFO] [stdout] --> tests/cowstr.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "nightly_assert_matches")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `nightly`, `nightly_extend_one`, `nightly_fmt_internals`, `nightly_int_roundings`, and `serde` [INFO] [stdout] = help: consider adding `nightly_assert_matches` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/substr_threads.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use std::thread; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | use cowstr::*; [INFO] [stdout] ... | [INFO] [stdout] 13 | | thread.join().expect("success"); [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/cowstr_threads.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use std::thread; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | use cowstr::*; [INFO] [stdout] ... | [INFO] [stdout] 55 | | assert!(thread.join().is_ok()); [INFO] [stdout] 56 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NotSend` is never constructed [INFO] [stdout] --> src/cowstr.rs:1836:8 [INFO] [stdout] | [INFO] [stdout] 1836 | struct NotSend(std::marker::PhantomData<*const ()>); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/cowstr.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![allow(clippy::should_panic_without_expect)] [INFO] [stdout] 2 | | #![cfg_attr(feature = "nightly_assert_matches", feature(assert_matches))] [INFO] [stdout] 3 | | [INFO] [stdout] 4 | | #[cfg(feature = "nightly_assert_matches")] [INFO] [stdout] ... | [INFO] [stdout] 875 | | assert_eq!(s.as_bytes()[9], b'd'); [INFO] [stdout] 876 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s [INFO] running `Command { std: "docker" "inspect" "e7400787d66d44fa93550eb54ab2a9cb5bc8dfab7f74594b263cee4307e04f13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7400787d66d44fa93550eb54ab2a9cb5bc8dfab7f74594b263cee4307e04f13", kill_on_drop: false }` [INFO] [stdout] e7400787d66d44fa93550eb54ab2a9cb5bc8dfab7f74594b263cee4307e04f13