[INFO] fetching crate viperus 0.1.10... [INFO] checking viperus-0.1.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate viperus 0.1.10 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate viperus 0.1.10 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 viperus 0.1.10 [INFO] finished tweaking crates.io crate viperus 0.1.10 [INFO] tweaked toml for crates.io crate viperus 0.1.10 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate viperus 0.1.10 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 yaml-rust v0.4.3 [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] [stderr] Downloaded java-properties v1.2.0 [INFO] [stderr] Downloaded inotify-sys v0.1.3 [INFO] [stderr] Downloaded inotify v0.7.0 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded rand_xoshiro v0.3.1 [INFO] [stderr] Downloaded filetime v0.2.8 [INFO] [stderr] Downloaded rand_os v0.2.2 [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded criterion v0.3.0 [INFO] [stderr] Downloaded cast v0.2.3 [INFO] [stderr] Downloaded bstr v0.2.9 [INFO] [stderr] Downloaded regex-syntax v0.6.13 [INFO] [stderr] Downloaded criterion-plot v0.4.0 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded csv v1.1.2 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded regex v1.3.3 [INFO] [stderr] Downloaded notify v4.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 630f661c1c1ecee3989941ed0b8fe7d9a1ddb2ee2785830b1e9dd7b0e12b6336 [INFO] running `Command { std: "docker" "start" "-a" "630f661c1c1ecee3989941ed0b8fe7d9a1ddb2ee2785830b1e9dd7b0e12b6336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "630f661c1c1ecee3989941ed0b8fe7d9a1ddb2ee2785830b1e9dd7b0e12b6336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "630f661c1c1ecee3989941ed0b8fe7d9a1ddb2ee2785830b1e9dd7b0e12b6336", kill_on_drop: false }` [INFO] [stdout] 630f661c1c1ecee3989941ed0b8fe7d9a1ddb2ee2785830b1e9dd7b0e12b6336 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b7becbaee9c2032a7a14bffb5962d7066dfe2fe9f1523b28c7e56cda19d34d44 [INFO] running `Command { std: "docker" "start" "-a" "b7becbaee9c2032a7a14bffb5962d7066dfe2fe9f1523b28c7e56cda19d34d44", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking java-properties v1.2.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking bstr v0.2.9 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking csv v1.1.2 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking viperus v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/adapter/atoml.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/adapter/ayaml.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/global.rs:18:60 [INFO] [stdout] | [INFO] [stdout] 18 | static ref VIPERUS: Arc::>> = { Arc::new(Mutex::new(Viperus::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 18 - static ref VIPERUS: Arc::>> = { Arc::new(Mutex::new(Viperus::new())) }; [INFO] [stdout] 18 + static ref VIPERUS: Arc::>> = Arc::new(Mutex::new(Viperus::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/adapter/atoml.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/adapter/ayaml.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/global.rs:18:60 [INFO] [stdout] | [INFO] [stdout] 18 | static ref VIPERUS: Arc::>> = { Arc::new(Mutex::new(Viperus::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 18 - static ref VIPERUS: Arc::>> = { Arc::new(Mutex::new(Viperus::new())) }; [INFO] [stdout] 18 + static ref VIPERUS: Arc::>> = Arc::new(Mutex::new(Viperus::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0 [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" "b7becbaee9c2032a7a14bffb5962d7066dfe2fe9f1523b28c7e56cda19d34d44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7becbaee9c2032a7a14bffb5962d7066dfe2fe9f1523b28c7e56cda19d34d44", kill_on_drop: false }` [INFO] [stdout] b7becbaee9c2032a7a14bffb5962d7066dfe2fe9f1523b28c7e56cda19d34d44