[INFO] fetching crate refcount-interner 0.2.4...
[INFO] testing refcount-interner-0.2.4 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate refcount-interner 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate refcount-interner 0.2.4
[INFO] finished tweaking crates.io crate refcount-interner 0.2.4
[INFO] tweaked toml for crates.io crate refcount-interner 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate refcount-interner 0.2.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0
[INFO] running `Command { std: "docker" "start" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling refcount-interner v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling refcount-interner v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/refcount-interner/b943f2a636808ab6/out/refcount_interner-b943f2a636808ab6)
[INFO] [stderr]    Doc-tests refcount_interner
[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] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::shrink_to_fit (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<str>::intern_str (line 264) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::intern (line 140) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::new (line 38) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::intern_boxed (line 84) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<str>::intern_string (line 292) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::intern_boxed (line 83) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::intern_cloned (line 175) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::intern (line 141) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<T>::try_intern (line 55) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner (line 12) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::intern_cloned (line 174) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner (line 11) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<[T]>::intern_slice (line 208) ... ok
[INFO] [stdout] test src/arc_interner.rs - arc_interner::ArcInterner<[T]>::intern_vec (line 236) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::new (line 37) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<str>::intern_str (line 263) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::try_intern (line 54) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<str>::intern_string (line 291) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<T>::shrink_to_fit (line 106) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<[T]>::intern_slice (line 207) ... ok
[INFO] [stdout] test src/rc_interner.rs - rc_interner::RcInterner<[T]>::intern_vec (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0", kill_on_drop: false }`
[INFO] [stdout] ef73b0640643f7d2cbb23e6fe08581eb551107dc6d7d08f8ec5e9541a1e122b0
