[INFO] fetching crate rehashinghashmap 0.1.2...
[INFO] testing rehashinghashmap-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rehashinghashmap 0.1.2 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate rehashinghashmap 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rehashinghashmap 0.1.2
[INFO] finished tweaking crates.io crate rehashinghashmap 0.1.2
[INFO] tweaked toml for crates.io crate rehashinghashmap 0.1.2 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a00663998ffeb60d08f088e4623f49788ce9150c94bfdf53cee1110476b2368
[INFO] running `Command { std: "docker" "start" "-a" "8a00663998ffeb60d08f088e4623f49788ce9150c94bfdf53cee1110476b2368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a00663998ffeb60d08f088e4623f49788ce9150c94bfdf53cee1110476b2368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a00663998ffeb60d08f088e4623f49788ce9150c94bfdf53cee1110476b2368", kill_on_drop: false }`
[INFO] [stdout] 8a00663998ffeb60d08f088e4623f49788ce9150c94bfdf53cee1110476b2368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2552f0316343d53ff65658b027c497a0b7aed3e1b879e4e24a64300947b3d81c
[INFO] running `Command { std: "docker" "start" "-a" "2552f0316343d53ff65658b027c497a0b7aed3e1b879e4e24a64300947b3d81c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stdout]    |                            ----^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:289:18
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "2552f0316343d53ff65658b027c497a0b7aed3e1b879e4e24a64300947b3d81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2552f0316343d53ff65658b027c497a0b7aed3e1b879e4e24a64300947b3d81c", kill_on_drop: false }`
[INFO] [stdout] 2552f0316343d53ff65658b027c497a0b7aed3e1b879e4e24a64300947b3d81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef108234654fc694d5a10d18437f8c5958d25478dd1b06c1d698913becd9d95
[INFO] running `Command { std: "docker" "start" "-a" "bef108234654fc694d5a10d18437f8c5958d25478dd1b06c1d698913becd9d95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[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] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stdout]    |                            ----^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:289:18
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stdout]    |                            ----^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:289:18
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "bef108234654fc694d5a10d18437f8c5958d25478dd1b06c1d698913becd9d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef108234654fc694d5a10d18437f8c5958d25478dd1b06c1d698913becd9d95", kill_on_drop: false }`
[INFO] [stdout] bef108234654fc694d5a10d18437f8c5958d25478dd1b06c1d698913becd9d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46d134f3039ccb53dfe4c39902c6722180ea1a9239e04c168921dc279c2fb559
[INFO] running `Command { std: "docker" "start" "-a" "46d134f3039ccb53dfe4c39902c6722180ea1a9239e04c168921dc279c2fb559", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `rehashinghashmap` (lib) generated 5 warnings
[INFO] [stderr] warning: `rehashinghashmap` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rehashinghashmap-e8911dfd9150c417)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test contains_key ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test get_mut0 ... ok
[INFO] [stdout] test get_mut1 ... ok
[INFO] [stdout] test entry ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test get_mut2 ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test remove0 ... ok
[INFO] [stdout] test remove1 ... ok
[INFO] [stdout] test remove2 ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test iterator ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test keys ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test insert_many_rehash_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rehashinghashmap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46d134f3039ccb53dfe4c39902c6722180ea1a9239e04c168921dc279c2fb559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d134f3039ccb53dfe4c39902c6722180ea1a9239e04c168921dc279c2fb559", kill_on_drop: false }`
[INFO] [stdout] 46d134f3039ccb53dfe4c39902c6722180ea1a9239e04c168921dc279c2fb559
