[INFO] fetching crate eso 0.0.2... [INFO] checking eso-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate eso 0.0.2 into /workspace/builds/worker-4-tc1/source [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config [INFO] started tweaking crates.io crate eso 0.0.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate eso 0.0.2 [INFO] tweaked toml for crates.io crate eso 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate eso 0.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate eso 0.0.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded impls v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e96ce2b611c8dbb3493b166600303c8087b54c7bcfe269c2e5ecd1048995949 [INFO] running `Command { std: "docker" "start" "-a" "9e96ce2b611c8dbb3493b166600303c8087b54c7bcfe269c2e5ecd1048995949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e96ce2b611c8dbb3493b166600303c8087b54c7bcfe269c2e5ecd1048995949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e96ce2b611c8dbb3493b166600303c8087b54c7bcfe269c2e5ecd1048995949", kill_on_drop: false }` [INFO] [stdout] 9e96ce2b611c8dbb3493b166600303c8087b54c7bcfe269c2e5ecd1048995949 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b5936813b25060a6cd6287e549b9bbc3714c16cc87d6d7c0cf4e83bddf34601 [INFO] running `Command { std: "docker" "start" "-a" "3b5936813b25060a6cd6287e549b9bbc3714c16cc87d6d7c0cf4e83bddf34601", kill_on_drop: false }` [INFO] [stderr] Checking impls v1.0.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking eso v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `unstable-doc-cfg` [INFO] [stdout] --> src/lib.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | #[cfg_attr(feature = "unstable-doc-cfg", feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `allow-unsafe` and `default` [INFO] [stdout] = help: consider adding `unstable-doc-cfg` 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: `unstable-doc-cfg` [INFO] [stdout] --> src/lib.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | #[cfg_attr(feature = "unstable-doc-cfg", feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `allow-unsafe` and `default` [INFO] [stdout] = help: consider adding `unstable-doc-cfg` 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/borrow.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | fn borrow(&'a self) -> Cow { [INFO] [stdout] | ^^ ------ the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 116 | fn borrow(&'a self) -> Cow<'a, R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/borrow.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | fn borrow(&'a self) -> Cow { [INFO] [stdout] | ^^ ------ the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 116 | fn borrow(&'a self) -> Cow<'a, R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "3b5936813b25060a6cd6287e549b9bbc3714c16cc87d6d7c0cf4e83bddf34601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b5936813b25060a6cd6287e549b9bbc3714c16cc87d6d7c0cf4e83bddf34601", kill_on_drop: false }` [INFO] [stdout] 3b5936813b25060a6cd6287e549b9bbc3714c16cc87d6d7c0cf4e83bddf34601