[INFO] fetching crate pdatastructs 0.7.0...
[INFO] checking pdatastructs-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pdatastructs 0.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pdatastructs 0.7.0
[INFO] finished tweaking crates.io crate pdatastructs 0.7.0
[INFO] tweaked toml for crates.io crate pdatastructs 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pdatastructs 0.7.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d317edcfcd91dd823e0604f74a1f5f1b686f412ebfd6f393aef952ba6c7747a3
[INFO] running `Command { std: "docker" "start" "-a" "d317edcfcd91dd823e0604f74a1f5f1b686f412ebfd6f393aef952ba6c7747a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d317edcfcd91dd823e0604f74a1f5f1b686f412ebfd6f393aef952ba6c7747a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d317edcfcd91dd823e0604f74a1f5f1b686f412ebfd6f393aef952ba6c7747a3", kill_on_drop: false }`
[INFO] [stdout] d317edcfcd91dd823e0604f74a1f5f1b686f412ebfd6f393aef952ba6c7747a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91b0fa43e232c78c3d4d5292d9adc4263f1d232ec5d13602f9590c4d4cc69710
[INFO] running `Command { std: "docker" "start" "-a" "91b0fa43e232c78c3d4d5292d9adc4263f1d232ec5d13602f9590c4d4cc69710", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking succinct v0.5.2
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking pdatastructs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     const_err,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `illegal_floating_point_literal_pattern` has been removed: no longer a warning, float patterns behave the same as `==`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     illegal_floating_point_literal_pattern,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/topk/lossycounter.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let mut value = o.get_mut();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/filters/bloomfilter.rs:257:68
[INFO] [stdout]     |
[INFO] [stdout] 257 |       fn insert(&mut self, obj: &T) -> Result<bool, Self::InsertErr> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 258 | |         let mut was_present = true;
[INFO] [stdout] 259 | |         for pos in self.builder.iter_for(obj) {
[INFO] [stdout] 260 | |             was_present &= self.bs.put(pos);
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |         Ok(!was_present)
[INFO] [stdout] 264 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/filters/bloomfilter.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         Ok(!was_present)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/filters/bloomfilter.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             self.insert(&elem).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/filters/compat.rs:20:68
[INFO] [stdout]    |
[INFO] [stdout] 20 |       fn insert(&mut self, obj: &T) -> Result<bool, Self::InsertErr> {
[INFO] [stdout]    |  ____________________________________________________________________^
[INFO] [stdout] 21 | |         Ok(self.insert(obj.clone()))
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/filters/compat.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.insert(obj.clone()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdatastructs` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "91b0fa43e232c78c3d4d5292d9adc4263f1d232ec5d13602f9590c4d4cc69710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b0fa43e232c78c3d4d5292d9adc4263f1d232ec5d13602f9590c4d4cc69710", kill_on_drop: false }`
[INFO] [stdout] 91b0fa43e232c78c3d4d5292d9adc4263f1d232ec5d13602f9590c4d4cc69710
