[INFO] fetching crate swimmer 0.3.0... [INFO] building swimmer-0.3.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate swimmer 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate swimmer 0.3.0 [INFO] finished tweaking crates.io crate swimmer 0.3.0 [INFO] tweaked toml for crates.io crate swimmer 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate swimmer 0.3.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.7.0) [INFO] [stderr] Adding hashbrown v0.6.3 (available: v0.16.0) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.15.1) [INFO] [stderr] Adding static_assertions v0.3.4 (available: v1.1.0) [INFO] [stderr] Adding thread_local v0.3.6 (available: v1.1.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0ff4158ca823abdcfcf562167cb6681105dc62117244340ddf2838e2d5119e3 [INFO] running `Command { std: "docker" "start" "-a" "b0ff4158ca823abdcfcf562167cb6681105dc62117244340ddf2838e2d5119e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0ff4158ca823abdcfcf562167cb6681105dc62117244340ddf2838e2d5119e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ff4158ca823abdcfcf562167cb6681105dc62117244340ddf2838e2d5119e3", kill_on_drop: false }` [INFO] [stdout] b0ff4158ca823abdcfcf562167cb6681105dc62117244340ddf2838e2d5119e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9b723dc582cc35789bf2903e6921db07ca1e73f29e6b2477000e118e4ba9c83 [INFO] running `Command { std: "docker" "start" "-a" "d9b723dc582cc35789bf2903e6921db07ca1e73f29e6b2477000e118e4ba9c83", kill_on_drop: false }` [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling swimmer v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:258:16 [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:310:19 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "d9b723dc582cc35789bf2903e6921db07ca1e73f29e6b2477000e118e4ba9c83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9b723dc582cc35789bf2903e6921db07ca1e73f29e6b2477000e118e4ba9c83", kill_on_drop: false }` [INFO] [stdout] d9b723dc582cc35789bf2903e6921db07ca1e73f29e6b2477000e118e4ba9c83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7249bff50b7a491349ae64ab342335ffdfb6a48321458040aeb7b9c7d3104b90 [INFO] running `Command { std: "docker" "start" "-a" "7249bff50b7a491349ae64ab342335ffdfb6a48321458040aeb7b9c7d3104b90", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling lifeguard v0.6.1 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:258:16 [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:310:19 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling swimmer v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:258:16 [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 258 | pub fn get(&self) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:310:19 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn attach(&self, value: T) -> Recycled<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 16.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [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" "7249bff50b7a491349ae64ab342335ffdfb6a48321458040aeb7b9c7d3104b90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7249bff50b7a491349ae64ab342335ffdfb6a48321458040aeb7b9c7d3104b90", kill_on_drop: false }` [INFO] [stdout] 7249bff50b7a491349ae64ab342335ffdfb6a48321458040aeb7b9c7d3104b90