[INFO] fetching crate arc-string-interner 0.3.0-alpha2...
[INFO] testing arc-string-interner-0.3.0-alpha2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate arc-string-interner 0.3.0-alpha2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate arc-string-interner 0.3.0-alpha2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc-string-interner 0.3.0-alpha2
[INFO] finished tweaking crates.io crate arc-string-interner 0.3.0-alpha2
[INFO] tweaked toml for crates.io crate arc-string-interner 0.3.0-alpha2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528a8365a048939be935ad4e8bb0d44a96c52e3447bc5525e6da13e2f541c46f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "528a8365a048939be935ad4e8bb0d44a96c52e3447bc5525e6da13e2f541c46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528a8365a048939be935ad4e8bb0d44a96c52e3447bc5525e6da13e2f541c46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528a8365a048939be935ad4e8bb0d44a96c52e3447bc5525e6da13e2f541c46f", kill_on_drop: false }`
[INFO] [stdout] 528a8365a048939be935ad4e8bb0d44a96c52e3447bc5525e6da13e2f541c46f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 020a9807cea84fdce8026e195f53e53967674300a0361de3e043381c99b6a6fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "020a9807cea84fdce8026e195f53e53967674300a0361de3e043381c99b6a6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling init_with v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling arc-string-interner v0.3.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "020a9807cea84fdce8026e195f53e53967674300a0361de3e043381c99b6a6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020a9807cea84fdce8026e195f53e53967674300a0361de3e043381c99b6a6fb", kill_on_drop: false }`
[INFO] [stdout] 020a9807cea84fdce8026e195f53e53967674300a0361de3e043381c99b6a6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82341cee5d42e1d742c1ba9ff7caf12f3ef32989ed3976fd75f5baaf41c18f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c82341cee5d42e1d742c1ba9ff7caf12f3ef32989ed3976fd75f5baaf41c18f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling arc-string-interner v0.3.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "c82341cee5d42e1d742c1ba9ff7caf12f3ef32989ed3976fd75f5baaf41c18f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82341cee5d42e1d742c1ba9ff7caf12f3ef32989ed3976fd75f5baaf41c18f6", kill_on_drop: false }`
[INFO] [stdout] c82341cee5d42e1d742c1ba9ff7caf12f3ef32989ed3976fd75f5baaf41c18f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12f5910f4b4ff7ce7efd1fd2c6feb18dfbd7d3167423650bdb3f02f5c2a88584
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12f5910f4b4ff7ce7efd1fd2c6feb18dfbd7d3167423650bdb3f02f5c2a88584", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 23 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arc_string_interner-1c5bde89740e4134)
[INFO] [stdout] test tests::get_or_intern::same_twice ... ok
[INFO] [stdout] test tests::get::not_founds ... ok
[INFO] [stdout] test tests::get_or_intern::simple ... ok
[INFO] [stdout] test tests::internal_str_ref::size_of ... ok
[INFO] [stdout] test tests::is_empty::new ... ok
[INFO] [stdout] test tests::is_empty::not_empty ... ok
[INFO] [stdout] test tests::internal_str_ref::eq ... ok
[INFO] [stdout] test tests::len::len_after_intern ... ok
[INFO] [stdout] test tests::len::len_after_same ... ok
[INFO] [stdout] test tests::resolve::unchecked ... ok
[INFO] [stdout] test tests::internal_str_ref::ne ... ok
[INFO] [stdout] test tests::internal_str_ref::hash_same_as_str ... ok
[INFO] [stdout] test tests::get::simple_strings ... ok
[INFO] [stdout] test tests::len::len_after_diff ... ok
[INFO] [stdout] test tests::get_or_intern::act_same ... ok
[INFO] [stdout] test tests::get_or_intern::intern_string ... ok
[INFO] [stdout] test tests::sym::same_size_as_optional ... ok
[INFO] [stdout] test tests::get_or_intern::empty_string ... ok
[INFO] [stdout] test tests::resolve::simple ... ok
[INFO] [stdout] test tests::get::simple ... ok
[INFO] [stdout] test tests::get_or_intern::two_different ... ok
[INFO] [stdout] test tests::len::new_len ... ok
[INFO] [stdout] test tests::resolve::not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arc-string-interner
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12f5910f4b4ff7ce7efd1fd2c6feb18dfbd7d3167423650bdb3f02f5c2a88584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f5910f4b4ff7ce7efd1fd2c6feb18dfbd7d3167423650bdb3f02f5c2a88584", kill_on_drop: false }`
[INFO] [stdout] 12f5910f4b4ff7ce7efd1fd2c6feb18dfbd7d3167423650bdb3f02f5c2a88584