[INFO] fetching crate hashcow 0.2.0...
[INFO] testing hashcow-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate hashcow 0.2.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate hashcow 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashcow 0.2.0
[INFO] finished tweaking crates.io crate hashcow 0.2.0
[INFO] tweaked toml for crates.io crate hashcow 0.2.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b223f7b46db35cd098e8914f9e634404b3353c48e99fda70916d4d70bccfcd
[INFO] running `Command { std: "docker" "start" "-a" "20b223f7b46db35cd098e8914f9e634404b3353c48e99fda70916d4d70bccfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b223f7b46db35cd098e8914f9e634404b3353c48e99fda70916d4d70bccfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b223f7b46db35cd098e8914f9e634404b3353c48e99fda70916d4d70bccfcd", kill_on_drop: false }`
[INFO] [stdout] 20b223f7b46db35cd098e8914f9e634404b3353c48e99fda70916d4d70bccfcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d2b7a16f5f120c7b618e3ef429626270283474e3de0cbb12cab35ed1b6a1d5
[INFO] running `Command { std: "docker" "start" "-a" "f2d2b7a16f5f120c7b618e3ef429626270283474e3de0cbb12cab35ed1b6a1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling hashcow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "f2d2b7a16f5f120c7b618e3ef429626270283474e3de0cbb12cab35ed1b6a1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d2b7a16f5f120c7b618e3ef429626270283474e3de0cbb12cab35ed1b6a1d5", kill_on_drop: false }`
[INFO] [stdout] f2d2b7a16f5f120c7b618e3ef429626270283474e3de0cbb12cab35ed1b6a1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040235271d3c477e56cf2eb96f7719e40260f3a8cfdc6772c6fae7f968c2c854
[INFO] running `Command { std: "docker" "start" "-a" "040235271d3c477e56cf2eb96f7719e40260f3a8cfdc6772c6fae7f968c2c854", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 449 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:448:1
[INFO] [stdout]     |
[INFO] [stdout] 448 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashcow-274489bfb80cf659)
[INFO] running `Command { std: "docker" "inspect" "040235271d3c477e56cf2eb96f7719e40260f3a8cfdc6772c6fae7f968c2c854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040235271d3c477e56cf2eb96f7719e40260f3a8cfdc6772c6fae7f968c2c854", kill_on_drop: false }`
[INFO] [stdout] 040235271d3c477e56cf2eb96f7719e40260f3a8cfdc6772c6fae7f968c2c854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e80f8862b49a778f564355de5213bdaa516a960b5f840c639a3e60d779cc7fff
[INFO] running `Command { std: "docker" "start" "-a" "e80f8862b49a778f564355de5213bdaa516a960b5f840c639a3e60d779cc7fff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/lib.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] note: attribute also specified here
[INFO] [stderr]    --> src/lib.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:449:9
[INFO] [stderr]     |
[INFO] [stderr] 449 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/lib.rs:448:1
[INFO] [stderr]     |
[INFO] [stderr] 448 | mod tests {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hashcow` (lib) generated 1 warning
[INFO] [stderr] warning: `hashcow` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashcow-274489bfb80cf659)
[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] [stderr]    Doc-tests hashcow
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - CowHashMap::new (line 75) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::borrow_fields (line 360) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::get_mut (line 269) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::remove (line 425) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::capacity (line 108) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::with_capacity (line 90) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::insert_borrowed_owned_key (line 230) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::insert_owned (line 164) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::insert_owned_borrowed_key (line 186) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::iter (line 403) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::get (line 246) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::keys (line 297) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::insert_borrowed (line 208) ... ok
[INFO] [stdout] test src/lib.rs - CowHashMap::is_empty (line 141) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e80f8862b49a778f564355de5213bdaa516a960b5f840c639a3e60d779cc7fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80f8862b49a778f564355de5213bdaa516a960b5f840c639a3e60d779cc7fff", kill_on_drop: false }`
[INFO] [stdout] e80f8862b49a778f564355de5213bdaa516a960b5f840c639a3e60d779cc7fff