[INFO] fetching crate anchors 0.6.0... [INFO] checking anchors-0.6.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate anchors 0.6.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate anchors 0.6.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate anchors 0.6.0 [INFO] finished tweaking crates.io crate anchors 0.6.0 [INFO] tweaked toml for crates.io crate anchors 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate anchors 0.6.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arena-graph v0.1.0 [INFO] [stderr] Downloaded sized-chunks v0.6.4 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d742650bc37830af018e58ed04b42f66473a80b4fb8c43b24edd4241467742b [INFO] running `Command { std: "docker" "start" "-a" "9d742650bc37830af018e58ed04b42f66473a80b4fb8c43b24edd4241467742b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d742650bc37830af018e58ed04b42f66473a80b4fb8c43b24edd4241467742b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d742650bc37830af018e58ed04b42f66473a80b4fb8c43b24edd4241467742b", kill_on_drop: false }` [INFO] [stdout] 9d742650bc37830af018e58ed04b42f66473a80b4fb8c43b24edd4241467742b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18b183ae7465fad33824ccb366accded91c37d7ecc5815f7a8c8256f9686aea9 [INFO] running `Command { std: "docker" "start" "-a" "18b183ae7465fad33824ccb366accded91c37d7ecc5815f7a8c8256f9686aea9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.63 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking arena-graph v0.1.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking sized-chunks v0.6.4 [INFO] [stderr] Checking anchors v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stdout] warning: fields `location` and `type_info` are never read [INFO] [stdout] --> src/singlethread.rs:501:5 [INFO] [stdout] | [INFO] [stdout] 500 | struct AnchorDebugInfo { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 502 | type_info: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/singlethread/graph2.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | std::mem::drop(count); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 135 - std::mem::drop(count); [INFO] [stdout] 135 + let _ = count; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.2.0 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: fields `location` and `type_info` are never read [INFO] [stdout] --> src/singlethread.rs:501:5 [INFO] [stdout] | [INFO] [stdout] 500 | struct AnchorDebugInfo { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 502 | type_info: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/singlethread/graph2.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | std::mem::drop(count); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 135 - std::mem::drop(count); [INFO] [stdout] 135 + let _ = count; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "18b183ae7465fad33824ccb366accded91c37d7ecc5815f7a8c8256f9686aea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18b183ae7465fad33824ccb366accded91c37d7ecc5815f7a8c8256f9686aea9", kill_on_drop: false }` [INFO] [stdout] 18b183ae7465fad33824ccb366accded91c37d7ecc5815f7a8c8256f9686aea9