[INFO] fetching crate bar-config 0.2.1... [INFO] checking bar-config-0.2.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate bar-config 0.2.1 into /workspace/builds/worker-47/source [INFO] validating manifest of crates.io crate bar-config 0.2.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-47/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69e6f07e5ff27cd0a4c04002cd319b47c0c81e0cc7a54cdd614e9f8c87210721 [INFO] running `Command { std: "docker" "start" "-a" "69e6f07e5ff27cd0a4c04002cd319b47c0c81e0cc7a54cdd614e9f8c87210721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69e6f07e5ff27cd0a4c04002cd319b47c0c81e0cc7a54cdd614e9f8c87210721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69e6f07e5ff27cd0a4c04002cd319b47c0c81e0cc7a54cdd614e9f8c87210721", kill_on_drop: false }` [INFO] [stdout] 69e6f07e5ff27cd0a4c04002cd319b47c0c81e0cc7a54cdd614e9f8c87210721 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e8dc5f212beb933b2fb17f3c500adf9a3d93110f436a04e23a38534135cbe08 [INFO] running `Command { std: "docker" "start" "-a" "4e8dc5f212beb933b2fb17f3c500adf9a3d93110f436a04e23a38534135cbe08", 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 v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking mio v0.6.23 [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 indexmap v1.7.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking serde_yaml v0.8.21 [INFO] [stderr] Checking bar-config v0.2.1 (/opt/rustwide/workdir) [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream + Send` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream + Send` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Component` [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] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `error_count` [INFO] [stdout] --> src/bar.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | error_count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `error_count` [INFO] [stdout] --> src/bar.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | error_count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.54s [INFO] running `Command { std: "docker" "inspect" "4e8dc5f212beb933b2fb17f3c500adf9a3d93110f436a04e23a38534135cbe08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8dc5f212beb933b2fb17f3c500adf9a3d93110f436a04e23a38534135cbe08", kill_on_drop: false }` [INFO] [stdout] 4e8dc5f212beb933b2fb17f3c500adf9a3d93110f436a04e23a38534135cbe08