[INFO] fetching crate bar-config 0.2.1... [INFO] checking bar-config-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate bar-config 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate bar-config 0.2.1 [INFO] finished tweaking crates.io crate bar-config 0.2.1 [INFO] tweaked toml for crates.io crate bar-config 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bar-config 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 86 packages to latest compatible versions [INFO] [stderr] Adding dirs v1.0.5 (available: v6.0.0) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.41) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.47.1) [INFO] [stderr] Adding toml v0.4.10 (available: v0.9.5) [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d71c00ff2c1cf1f2c27419b6a514e37a01bc0b528d0daa12c835ac444a8b902 [INFO] running `Command { std: "docker" "start" "-a" "3d71c00ff2c1cf1f2c27419b6a514e37a01bc0b528d0daa12c835ac444a8b902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d71c00ff2c1cf1f2c27419b6a514e37a01bc0b528d0daa12c835ac444a8b902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d71c00ff2c1cf1f2c27419b6a514e37a01bc0b528d0daa12c835ac444a8b902", kill_on_drop: false }` [INFO] [stdout] 3d71c00ff2c1cf1f2c27419b6a514e37a01bc0b528d0daa12c835ac444a8b902 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2c4545b1cab157514a338a96bb5bf34ba18d706f1a551276e74a523a30de802 [INFO] running `Command { std: "docker" "start" "-a" "a2c4545b1cab157514a338a96bb5bf34ba18d706f1a551276e74a523a30de802", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking bar-config v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/bar.rs:342:20 [INFO] [stdout] | [INFO] [stdout] 342 | #[cfg_attr(feature = "cargo-clippy", allow(ifs_same_cond))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `json-fmt`, `serde_json`, `serde_yaml`, `toml`, and `toml-fmt` [INFO] [stdout] = help: consider adding `cargo-clippy` 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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | pub left: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 53 | pub left: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | pub center: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | pub center: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:57:24 [INFO] [stdout] | [INFO] [stdout] 57 | pub right: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 | pub right: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/components/mod.rs:24:39 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) type ComponentStream = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) type ComponentStream = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bar.rs:226:47 [INFO] [stdout] | [INFO] [stdout] 226 | let mut notify = |comps: &mut Vec>| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 226 | let mut notify = |comps: &mut Vec>| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bar.rs:273:57 [INFO] [stdout] | [INFO] [stdout] 273 | let update_comps = |comps: &mut Vec>| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 273 | let update_comps = |comps: &mut Vec>| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/bar.rs:342:20 [INFO] [stdout] | [INFO] [stdout] 342 | #[cfg_attr(feature = "cargo-clippy", allow(ifs_same_cond))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `json-fmt`, `serde_json`, `serde_yaml`, `toml`, and `toml-fmt` [INFO] [stdout] = help: consider adding `cargo-clippy` 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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | pub left: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 53 | pub left: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | pub center: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | pub center: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:57:24 [INFO] [stdout] | [INFO] [stdout] 57 | pub right: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 | pub right: Vec>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/components/mod.rs:24:39 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) type ComponentStream = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) type ComponentStream = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bar.rs:226:47 [INFO] [stdout] | [INFO] [stdout] 226 | let mut notify = |comps: &mut Vec>| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 226 | let mut notify = |comps: &mut Vec>| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `error_count` is never read [INFO] [stdout] --> src/bar.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Bar { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 43 | error_count: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Bar` 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bar.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn lock(&self) -> MutexGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 191 | pub fn lock(&self) -> MutexGuard<'_, Config> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bar.rs:273:57 [INFO] [stdout] | [INFO] [stdout] 273 | let update_comps = |comps: &mut Vec>| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 273 | let update_comps = |comps: &mut Vec>| { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `error_count` is never read [INFO] [stdout] --> src/bar.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Bar { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 43 | error_count: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Bar` 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bar.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn lock(&self) -> MutexGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 191 | pub fn lock(&self) -> MutexGuard<'_, Config> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.32s [INFO] running `Command { std: "docker" "inspect" "a2c4545b1cab157514a338a96bb5bf34ba18d706f1a551276e74a523a30de802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c4545b1cab157514a338a96bb5bf34ba18d706f1a551276e74a523a30de802", kill_on_drop: false }` [INFO] [stdout] a2c4545b1cab157514a338a96bb5bf34ba18d706f1a551276e74a523a30de802