[INFO] fetching crate string-interner 0.12.1...
[INFO] testing string-interner-0.12.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate string-interner 0.12.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate string-interner 0.12.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-interner 0.12.1
[INFO] finished tweaking crates.io crate string-interner 0.12.1
[INFO] tweaked toml for crates.io crate string-interner 0.12.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4da8fce17936fed6a655e99bf519346a2a3d85664aae39e66507fed0a1d2576
[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" "f4da8fce17936fed6a655e99bf519346a2a3d85664aae39e66507fed0a1d2576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4da8fce17936fed6a655e99bf519346a2a3d85664aae39e66507fed0a1d2576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4da8fce17936fed6a655e99bf519346a2a3d85664aae39e66507fed0a1d2576", kill_on_drop: false }`
[INFO] [stdout] f4da8fce17936fed6a655e99bf519346a2a3d85664aae39e66507fed0a1d2576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385fad32e2fa3f35c618da6d658ce7cdda2b08a34d3c23395486dd2bfa252161
[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" "385fad32e2fa3f35c618da6d658ce7cdda2b08a34d3c23395486dd2bfa252161", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling string-interner v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "385fad32e2fa3f35c618da6d658ce7cdda2b08a34d3c23395486dd2bfa252161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385fad32e2fa3f35c618da6d658ce7cdda2b08a34d3c23395486dd2bfa252161", kill_on_drop: false }`
[INFO] [stdout] 385fad32e2fa3f35c618da6d658ce7cdda2b08a34d3c23395486dd2bfa252161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e9c9efe5502737d5f75d1b76310141d41a4a30a44cc06ca3c818b7299627168
[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" "4e9c9efe5502737d5f75d1b76310141d41a4a30a44cc06ca3c818b7299627168", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling jemalloc-ctl v0.3.3
[INFO] [stderr]    Compiling string-interner v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "4e9c9efe5502737d5f75d1b76310141d41a4a30a44cc06ca3c818b7299627168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9c9efe5502737d5f75d1b76310141d41a4a30a44cc06ca3c818b7299627168", kill_on_drop: false }`
[INFO] [stdout] 4e9c9efe5502737d5f75d1b76310141d41a4a30a44cc06ca3c818b7299627168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2226d6af720cf37be8035409b00606de3023c10a32a7cf3df81d53d74c73d26
[INFO] running `Command { std: "docker" "start" "-a" "b2226d6af720cf37be8035409b00606de3023c10a32a7cf3df81d53d74c73d26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_interner-a0725ce1e21f00ad
[INFO] [stdout] running 37 tests
[INFO] [stdout] test symbol::tests::same_size_as_optional ... ok
[INFO] [stdout] test symbol::tests::try_from_usize_works ... ok
[INFO] [stdout] test backend::bucket::interned_str::tests::size_of ... ok
[INFO] [stdout] test symbol::tests::try_from_usize_works_for_u16 ... ok
[INFO] [stdout] test symbol::tests::try_from_usize_works_for_u32 ... ok
[INFO] [stdout] test symbol::tests::try_from_usize_works_for_usize ... ok
[INFO] [stdout] test tests::bucket_backend::test_memory_consumption ... ignored
[INFO] [stdout] test tests::bucket_backend::get_or_intern_static_works ... ok
[INFO] [stdout] test tests::bucket_backend::from_iter_works ... ok
[INFO] [stdout] test symbol::tests::same_size_as_u32 ... ok
[INFO] [stdout] test tests::bucket_backend::clone_works ... ok
[INFO] [stdout] test tests::simple_backend::test_memory_consumption ... ignored
[INFO] [stdout] test tests::bucket_backend::is_empty_works ... ok
[INFO] [stdout] test tests::simple_backend::get_or_intern_static_works ... ok
[INFO] [stdout] test tests::bucket_backend::get_or_intern_works ... ok
[INFO] [stdout] test tests::bucket_backend::get_works ... ok
[INFO] [stdout] test tests::bucket_backend::new_works ... ok
[INFO] [stdout] test tests::simple_backend::get_works ... ok
[INFO] [stdout] test tests::bucket_backend::extend_works ... ok
[INFO] [stdout] test tests::simple_backend::new_works ... ok
[INFO] [stdout] test tests::simple_backend::from_iter_works ... ok
[INFO] [stdout] test tests::string_backend::test_memory_consumption ... ignored
[INFO] [stdout] test tests::simple_backend::get_or_intern_works ... ok
[INFO] [stdout] test tests::simple_backend::resolve_works ... ok
[INFO] [stdout] test tests::simple_backend::clone_works ... ok
[INFO] [stdout] test tests::simple_backend::extend_works ... ok
[INFO] [stdout] test tests::string_backend::get_or_intern_works ... ok
[INFO] [stdout] test tests::string_backend::clone_works ... ok
[INFO] [stdout] test tests::simple_backend::is_empty_works ... ok
[INFO] [stdout] test tests::string_backend::get_works ... ok
[INFO] [stdout] test tests::string_backend::from_iter_works ... ok
[INFO] [stdout] test tests::string_backend::extend_works ... ok
[INFO] [stdout] test tests::string_backend::new_works ... ok
[INFO] [stdout] test tests::string_backend::resolve_works ... ok
[INFO] [stdout] test tests::string_backend::is_empty_works ... ok
[INFO] [stdout] test tests::string_backend::get_or_intern_static_works ... ok
[INFO] [stdout] test tests::bucket_backend::resolve_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-interner
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2226d6af720cf37be8035409b00606de3023c10a32a7cf3df81d53d74c73d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2226d6af720cf37be8035409b00606de3023c10a32a7cf3df81d53d74c73d26", kill_on_drop: false }`
[INFO] [stdout] b2226d6af720cf37be8035409b00606de3023c10a32a7cf3df81d53d74c73d26