[INFO] cloning repository https://github.com/GDX64/rust-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GDX64/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e06a3391c4bc42eba9dfe1c868a0b5c9b4066567 [INFO] checking GDX64/rust-experiments against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGDX64%2Frust-experiments" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/GDX64/rust-experiments [INFO] finished tweaking git repo https://github.com/GDX64/rust-experiments [INFO] tweaked toml for git repo https://github.com/GDX64/rust-experiments written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/GDX64/rust-experiments on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/GDX64/rust-experiments 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9201ce34b79c85647c3e3b32b777634c91d5ec0d72c548f32d0baa22a91698d4 [INFO] running `Command { std: "docker" "start" "-a" "9201ce34b79c85647c3e3b32b777634c91d5ec0d72c548f32d0baa22a91698d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9201ce34b79c85647c3e3b32b777634c91d5ec0d72c548f32d0baa22a91698d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9201ce34b79c85647c3e3b32b777634c91d5ec0d72c548f32d0baa22a91698d4", kill_on_drop: false }` [INFO] [stdout] 9201ce34b79c85647c3e3b32b777634c91d5ec0d72c548f32d0baa22a91698d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9566cf3707c1ec83634edd1741ba7a14f001687996fe000bdfdbc865203a462 [INFO] running `Command { std: "docker" "start" "-a" "f9566cf3707c1ec83634edd1741ba7a14f001687996fe000bdfdbc865203a462", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde_derive v1.0.140 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking bytemuck v1.10.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Checking futures-channel v0.3.21 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking bytes v1.2.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.10 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling skeptic v0.6.1 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Compiling carboxyl v0.2.1 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking simba v0.7.1 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling pin-project-internal v1.0.11 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Checking nalgebra v0.31.0 [INFO] [stderr] Checking tokio v1.20.1 [INFO] [stderr] Checking async-stream v0.3.3 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking pin-project v1.0.11 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking tokio-stream v0.1.9 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking futures-signals v0.3.30 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking experiments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `ShardedDb` is never used [INFO] [stdout] --> src/bin/server.rs:60:6 [INFO] [stdout] | [INFO] [stdout] 60 | type ShardedDb = Arc>>>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_sharded_db` is never used [INFO] [stdout] --> src/bin/server.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn new_sharded_db(num_shards: usize) -> ShardedDb { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyDelay` is never constructed [INFO] [stdout] --> src/bin/custom_delay.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct MyDelay [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DelayExt` is never used [INFO] [stdout] --> src/bin/custom_delay.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | trait DelayExt: Stream { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ShardedDb` is never used [INFO] [stdout] --> src/bin/server.rs:60:6 [INFO] [stdout] | [INFO] [stdout] 60 | type ShardedDb = Arc>>>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_sharded_db` is never used [INFO] [stdout] --> src/bin/server.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn new_sharded_db(num_shards: usize) -> ShardedDb { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.92s [INFO] running `Command { std: "docker" "inspect" "f9566cf3707c1ec83634edd1741ba7a14f001687996fe000bdfdbc865203a462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9566cf3707c1ec83634edd1741ba7a14f001687996fe000bdfdbc865203a462", kill_on_drop: false }` [INFO] [stdout] f9566cf3707c1ec83634edd1741ba7a14f001687996fe000bdfdbc865203a462