[INFO] cloning repository https://github.com/nosark/robin-hood-hash-table [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nosark/robin-hood-hash-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Frobin-hood-hash-table", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Frobin-hood-hash-table'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04eb61584734f8c86772d544b3de9da57826d739 [INFO] checking nosark/robin-hood-hash-table against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Frobin-hood-hash-table" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nosark/robin-hood-hash-table on toolchain 5fee451ebd94296ea05214e819c311e164b30af6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nosark/robin-hood-hash-table [INFO] finished tweaking git repo https://github.com/nosark/robin-hood-hash-table [INFO] tweaked toml for git repo https://github.com/nosark/robin-hood-hash-table written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nosark/robin-hood-hash-table 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23741c2a50de9939ff3e1d02c43f330ef5ab44d7d30f924dcdd3e7a986d0969f [INFO] running `Command { std: "docker" "start" "-a" "23741c2a50de9939ff3e1d02c43f330ef5ab44d7d30f924dcdd3e7a986d0969f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23741c2a50de9939ff3e1d02c43f330ef5ab44d7d30f924dcdd3e7a986d0969f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23741c2a50de9939ff3e1d02c43f330ef5ab44d7d30f924dcdd3e7a986d0969f", kill_on_drop: false }` [INFO] [stdout] 23741c2a50de9939ff3e1d02c43f330ef5ab44d7d30f924dcdd3e7a986d0969f [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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5c52cb99543c9c268c2bdb75aeda37e382a9dd17b8c2093ffcf7657a110f803 [INFO] running `Command { std: "docker" "start" "-a" "f5c52cb99543c9c268c2bdb75aeda37e382a9dd17b8c2093ffcf7657a110f803", kill_on_drop: false }` [INFO] [stderr] Checking robinhood-hash-table v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DefaultHasher` and `Keys` [INFO] [stdout] --> src/lib.rs:2:38 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::hash_map::{DefaultHasher, Keys, RandomState}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Hash` and `Hasher` [INFO] [stdout] --> src/lib.rs:174:21 [INFO] [stdout] | [INFO] [stdout] 174 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DefaultHasher` and `Keys` [INFO] [stdout] --> src/lib.rs:2:38 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::hash_map::{DefaultHasher, Keys, RandomState}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | _ => panic!("Something went wrong while inserting element!!!"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 60 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 76 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 81 | _ => panic!("Something went wrong while inserting element!!!"), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `bucket` is never read [INFO] [stdout] --> src/lib.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | ... bucket = Some(key_value.clone()); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 112 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 123 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | _ => { [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut bucket = self.table[hash_id].clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 163 | _ => panic!("something went wrong while searching for {} in table", key), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 145 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 159 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 163 | _ => panic!("something went wrong while searching for {} in table", key), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut bucket = self.table[hash_id].as_ref(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | _ => panic!("Something went wrong while inserting element!!!"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 60 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 76 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 81 | _ => panic!("Something went wrong while inserting element!!!"), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `bucket` is never read [INFO] [stdout] --> src/lib.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | ... bucket = Some(key_value.clone()); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 112 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 123 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | _ => { [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut bucket = self.table[hash_id].clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 163 | _ => panic!("something went wrong while searching for {} in table", key), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 145 | Some(..) => { [INFO] [stdout] | -------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 159 | None => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 163 | _ => panic!("something went wrong while searching for {} in table", key), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | let mut bucket = self.table[hash_id].as_ref(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "f5c52cb99543c9c268c2bdb75aeda37e382a9dd17b8c2093ffcf7657a110f803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5c52cb99543c9c268c2bdb75aeda37e382a9dd17b8c2093ffcf7657a110f803", kill_on_drop: false }` [INFO] [stdout] f5c52cb99543c9c268c2bdb75aeda37e382a9dd17b8c2093ffcf7657a110f803