[INFO] fetching crate tracing-timing 0.6.0... [INFO] checking tracing-timing-0.6.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tracing-timing 0.6.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate tracing-timing 0.6.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-timing 0.6.0 [INFO] finished tweaking crates.io crate tracing-timing 0.6.0 [INFO] tweaked toml for crates.io crate tracing-timing 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate tracing-timing 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded serde_json v1.0.33 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded num-traits v0.2.9 [INFO] [stderr] Downloaded syn v0.11.10 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.69 [INFO] [stderr] Downloaded doc-comment v0.3.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.21 [INFO] [stderr] Downloaded byteorder v1.0.0 [INFO] [stderr] Downloaded crossbeam v0.8.0 [INFO] [stderr] Downloaded crossbeam-queue v0.3.0 [INFO] [stderr] Downloaded hdrhistogram v7.5.0 [INFO] [stderr] Downloaded syn v1.0.27 [INFO] [stderr] Downloaded libc v0.2.64 [INFO] [stderr] Downloaded web-sys v0.3.36 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded memoffset v0.5.0 [INFO] [stderr] Downloaded serde_derive v1.0.0 [INFO] [stderr] Downloaded loom v0.3.0 [INFO] [stderr] Downloaded log v0.4.0 [INFO] [stderr] Downloaded cc v1.0.0 [INFO] [stderr] Downloaded generator v0.6.18 [INFO] [stderr] Downloaded miniz-sys v0.1.10 [INFO] [stderr] Downloaded memchr v2.0.0 [INFO] [stderr] Downloaded indexmap v1.0.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.0 [INFO] [stderr] Downloaded syn v0.15.22 [INFO] [stderr] Downloaded autocfg v0.1.6 [INFO] [stderr] Downloaded rand_distr v0.4.0 [INFO] [stderr] Downloaded pin-project-lite v0.2.5 [INFO] [stderr] Downloaded ryu v0.2.0 [INFO] [stderr] Downloaded serde_derive_internals v0.15.0 [INFO] [stderr] Downloaded quote v0.3.8 [INFO] [stderr] Downloaded flate2 v1.0.3 [INFO] [stderr] Downloaded version_check v0.9.0 [INFO] [stderr] Downloaded mach v0.3.0 [INFO] [stderr] Downloaded raw-cpuid v9.0.0 [INFO] [stderr] Downloaded js-sys v0.3.36 [INFO] [stderr] Downloaded bumpalo v3.2.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen v0.2.69 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded atomic-shim v0.1.0 [INFO] [stderr] Downloaded quote v0.6.10 [INFO] [stderr] Downloaded ctor v0.1.0 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.69 [INFO] [stderr] Downloaded quote v1.0.0 [INFO] [stderr] Downloaded ansi_term v0.12.0 [INFO] [stderr] Downloaded synom v0.11.0 [INFO] [stderr] Downloaded quanta v0.9.0 [INFO] [stderr] Downloaded rand v0.8.0 [INFO] [stderr] Downloaded itoa v0.4.3 [INFO] [stderr] Downloaded tracing-subscriber v0.3.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 933a664e3cc65e947775ae063d99bac845a261010518c2b91e7b98ab7b7853e9 [INFO] running `Command { std: "docker" "start" "-a" "933a664e3cc65e947775ae063d99bac845a261010518c2b91e7b98ab7b7853e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "933a664e3cc65e947775ae063d99bac845a261010518c2b91e7b98ab7b7853e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "933a664e3cc65e947775ae063d99bac845a261010518c2b91e7b98ab7b7853e9", kill_on_drop: false }` [INFO] [stdout] 933a664e3cc65e947775ae063d99bac845a261010518c2b91e7b98ab7b7853e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 330a91f9effb2e9015cd9555e54be0deef2b5b56a25b5b20eaf5a97008b1dc59 [INFO] running `Command { std: "docker" "start" "-a" "330a91f9effb2e9015cd9555e54be0deef2b5b56a25b5b20eaf5a97008b1dc59", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cc v1.0.0 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling minimal-lexical v0.1.2 [INFO] [stderr] Compiling version_check v0.9.0 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling syn v1.0.27 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking log v0.4.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking sharded-slab v0.1.0 [INFO] [stderr] Checking raw-cpuid v9.0.0 [INFO] [stderr] Checking ansi_term v0.12.0 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Compiling nom v7.0.0 [INFO] [stderr] Checking atomic-shim v0.1.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking indexmap v1.0.0 [INFO] [stderr] Checking doc-comment v0.3.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking pin-project-lite v0.2.5 [INFO] [stderr] Checking memchr v2.0.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.0 [INFO] [stderr] Compiling quote v1.0.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking tracing-subscriber v0.3.8 [INFO] [stderr] Checking quanta v0.9.0 [INFO] [stderr] Checking flate2 v1.0.3 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking hdrhistogram v7.5.0 [INFO] [stderr] Checking tracing-timing v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ShardedLock` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `ShardedLock` is already imported here [INFO] [stdout] 2 | use crossbeam::sync::ShardedLock; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SyncHistogram` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `SyncHistogram` is already imported here [INFO] [stdout] 2 | use crossbeam::sync::ShardedLock; [INFO] [stdout] 3 | use hdrhistogram::SyncHistogram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IndexMap` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `IndexMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use indexmap::IndexMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RefCell` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `RefCell` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hash` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Hash` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atomic` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `atomic` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SyncHistogram` is imported redundantly [INFO] [stdout] --> src/layer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `SyncHistogram` is already imported here [INFO] [stdout] 2 | use hdrhistogram::SyncHistogram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IndexMap` is imported redundantly [INFO] [stdout] --> src/layer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `IndexMap` is already imported here [INFO] [stdout] 2 | use hdrhistogram::SyncHistogram; [INFO] [stdout] 3 | use indexmap::IndexMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hash` is imported redundantly [INFO] [stdout] --> src/layer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Hash` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atomic` is imported redundantly [INFO] [stdout] --> src/layer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `atomic` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stdout] warning: the item `ShardedLock` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `ShardedLock` is already imported here [INFO] [stdout] 2 | use crossbeam::sync::ShardedLock; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SyncHistogram` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `SyncHistogram` is already imported here [INFO] [stdout] 2 | use crossbeam::sync::ShardedLock; [INFO] [stdout] 3 | use hdrhistogram::SyncHistogram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IndexMap` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `IndexMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use indexmap::IndexMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RefCell` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `RefCell` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hash` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Hash` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atomic` is imported redundantly [INFO] [stdout] --> src/subscriber.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `atomic` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SyncHistogram` is imported redundantly [INFO] [stdout] --> src/layer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `SyncHistogram` is already imported here [INFO] [stdout] 2 | use hdrhistogram::SyncHistogram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IndexMap` is imported redundantly [INFO] [stdout] --> src/layer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `IndexMap` is already imported here [INFO] [stdout] 2 | use hdrhistogram::SyncHistogram; [INFO] [stdout] 3 | use indexmap::IndexMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hash` is imported redundantly [INFO] [stdout] --> src/layer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Hash` is already imported here [INFO] [stdout] ... [INFO] [stdout] 4 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atomic` is imported redundantly [INFO] [stdout] --> src/layer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `atomic` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s [INFO] running `Command { std: "docker" "inspect" "330a91f9effb2e9015cd9555e54be0deef2b5b56a25b5b20eaf5a97008b1dc59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "330a91f9effb2e9015cd9555e54be0deef2b5b56a25b5b20eaf5a97008b1dc59", kill_on_drop: false }` [INFO] [stdout] 330a91f9effb2e9015cd9555e54be0deef2b5b56a25b5b20eaf5a97008b1dc59