[INFO] fetching crate trybuild2 1.2.0... [INFO] checking trybuild2-1.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate trybuild2 1.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate trybuild2 1.2.0 [INFO] finished tweaking crates.io crate trybuild2 1.2.0 [INFO] tweaked toml for crates.io crate trybuild2 1.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate trybuild2 1.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f3ef4b29461672f40e20fd165cf6292d5e9734898e6e5dabf742bc8153c6a56 [INFO] running `Command { std: "docker" "start" "-a" "6f3ef4b29461672f40e20fd165cf6292d5e9734898e6e5dabf742bc8153c6a56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f3ef4b29461672f40e20fd165cf6292d5e9734898e6e5dabf742bc8153c6a56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f3ef4b29461672f40e20fd165cf6292d5e9734898e6e5dabf742bc8153c6a56", kill_on_drop: false }` [INFO] [stdout] 6f3ef4b29461672f40e20fd165cf6292d5e9734898e6e5dabf742bc8153c6a56 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f97ae699c6a4e9632f60f6e5f5c5027f531ab4b4aa03ccdb1dc8e00f3d1c6cc9 [INFO] running `Command { std: "docker" "start" "-a" "f97ae699c6a4e9632f60f6e5f5c5027f531ab4b4aa03ccdb1dc8e00f3d1c6cc9", kill_on_drop: false }` [INFO] [stderr] Compiling trybuild2 v1.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking basic-toml v0.1.10 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling automod v1.0.15 [INFO] [stdout] warning: unexpected `cfg` condition name: `trybuild_no_target` [INFO] [stdout] --> src/cargo.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | if cfg!(trybuild_no_target) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(trybuild_no_target)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trybuild_no_target)");` to the top of the `build.rs` [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 name: `trybuild_no_target` [INFO] [stdout] --> src/cargo.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | if cfg!(trybuild_no_target) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(trybuild_no_target)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trybuild_no_target)");` to the top of the `build.rs` [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: field `0` is never read [INFO] [stdout] --> src/flock.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | Locked(MutexGuard<'static, ()>), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 - Locked(MutexGuard<'static, ()>), [INFO] [stdout] 22 + Locked(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workspace` is never read [INFO] [stdout] --> src/inherit.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct InheritEdition { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub workspace: True, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/diff.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn iter(&self, _input: &str) -> Box> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 76 | pub fn iter(&self, _input: &str) -> Box>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/directory.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn to_string_lossy(&self) -> Cow { [INFO] [stdout] | ^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | pub fn to_string_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/flock.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | Locked(MutexGuard<'static, ()>), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 - Locked(MutexGuard<'static, ()>), [INFO] [stdout] 22 + Locked(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workspace` is never read [INFO] [stdout] --> src/inherit.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct InheritEdition { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 8 | pub workspace: True, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/diff.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn iter(&self, _input: &str) -> Box> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ------ the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 76 | pub fn iter(&self, _input: &str) -> Box>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/directory.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn to_string_lossy(&self) -> Cow { [INFO] [stdout] | ^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | pub fn to_string_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.75s [INFO] running `Command { std: "docker" "inspect" "f97ae699c6a4e9632f60f6e5f5c5027f531ab4b4aa03ccdb1dc8e00f3d1c6cc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f97ae699c6a4e9632f60f6e5f5c5027f531ab4b4aa03ccdb1dc8e00f3d1c6cc9", kill_on_drop: false }` [INFO] [stdout] f97ae699c6a4e9632f60f6e5f5c5027f531ab4b4aa03ccdb1dc8e00f3d1c6cc9