[INFO] fetching crate tin-summer 1.21.14... [INFO] checking tin-summer-1.21.14 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tin-summer 1.21.14 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tin-summer 1.21.14 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config [INFO] started tweaking crates.io crate tin-summer 1.21.14 [INFO] finished tweaking crates.io crate tin-summer 1.21.14 [INFO] tweaked toml for crates.io crate tin-summer 1.21.14 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate tin-summer 1.21.14 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 dirs v3.0.1 [INFO] [stderr] Downloaded once_cell v1.6.0 [INFO] [stderr] Downloaded cli-setup v0.2.7 [INFO] [stderr] Downloaded pad v0.1.6 [INFO] [stderr] Downloaded crossbeam-deque v0.6.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.2 [INFO] [stderr] Downloaded crossbeam v0.6.0 [INFO] [stderr] Downloaded yaml-rust v0.3.5 [INFO] [stderr] Downloaded rustversion v1.0.4 [INFO] [stderr] Downloaded generator v0.6.24 [INFO] [stderr] Downloaded loom v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f6e2830d24946e4b360a3beb0fd2270adee2cd8494d92f9f80df4b8f0d68c25f [INFO] running `Command { std: "docker" "start" "-a" "f6e2830d24946e4b360a3beb0fd2270adee2cd8494d92f9f80df4b8f0d68c25f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6e2830d24946e4b360a3beb0fd2270adee2cd8494d92f9f80df4b8f0d68c25f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e2830d24946e4b360a3beb0fd2270adee2cd8494d92f9f80df4b8f0d68c25f", kill_on_drop: false }` [INFO] [stdout] f6e2830d24946e4b360a3beb0fd2270adee2cd8494d92f9f80df4b8f0d68c25f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 17275d2e60e64bb13e80ef885694be7f7315e825e50f3b5fa99509948311bf8f [INFO] running `Command { std: "docker" "start" "-a" "17275d2e60e64bb13e80ef885694be7f7315e825e50f3b5fa99509948311bf8f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking once_cell v1.6.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking pad v0.1.6 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling cli-setup v0.2.7 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Compiling tin-summer v1.21.14 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/walk_parallel/single_threaded.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/walk_parallel/single_threaded.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `hgignore`, `darcs_boring`, and `follow_symlinks` are never read [INFO] [stdout] --> src/walk_parallel/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Walk { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | hgignore: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 40 | darcs_boring: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | follow_symlinks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Walk` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `hgignore`, `darcs_boring`, and `follow_symlinks` are never read [INFO] [stdout] --> src/walk_parallel/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Walk { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | hgignore: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 40 | darcs_boring: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | follow_symlinks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Walk` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "17275d2e60e64bb13e80ef885694be7f7315e825e50f3b5fa99509948311bf8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17275d2e60e64bb13e80ef885694be7f7315e825e50f3b5fa99509948311bf8f", kill_on_drop: false }` [INFO] [stdout] 17275d2e60e64bb13e80ef885694be7f7315e825e50f3b5fa99509948311bf8f