[INFO] fetching crate arcstr 0.2.3...
[INFO] testing arcstr-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arcstr 0.2.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arcstr 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcstr 0.2.3
[INFO] finished tweaking crates.io crate arcstr 0.2.3
[INFO] tweaked toml for crates.io crate arcstr 0.2.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d41db4fe98bf409ce13a4172172cc5b912c06397b4cd82a49457e79c95d04da7
[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" "d41db4fe98bf409ce13a4172172cc5b912c06397b4cd82a49457e79c95d04da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41db4fe98bf409ce13a4172172cc5b912c06397b4cd82a49457e79c95d04da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41db4fe98bf409ce13a4172172cc5b912c06397b4cd82a49457e79c95d04da7", kill_on_drop: false }`
[INFO] [stdout] d41db4fe98bf409ce13a4172172cc5b912c06397b4cd82a49457e79c95d04da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] fab4dc5c8bd94bddb8708421155f38ea57deb6baa76568f9200cf611f89809d7
[INFO] running `Command { std: "docker" "start" "-a" "fab4dc5c8bd94bddb8708421155f38ea57deb6baa76568f9200cf611f89809d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arcstr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fab4dc5c8bd94bddb8708421155f38ea57deb6baa76568f9200cf611f89809d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab4dc5c8bd94bddb8708421155f38ea57deb6baa76568f9200cf611f89809d7", kill_on_drop: false }`
[INFO] [stdout] fab4dc5c8bd94bddb8708421155f38ea57deb6baa76568f9200cf611f89809d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ea15687e9bc3cca13807fa2786953b57903161ebe08eb5a7c5d9d16fb98f77f
[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" "3ea15687e9bc3cca13807fa2786953b57903161ebe08eb5a7c5d9d16fb98f77f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling arcstr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.57s
[INFO] running `Command { std: "docker" "inspect" "3ea15687e9bc3cca13807fa2786953b57903161ebe08eb5a7c5d9d16fb98f77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea15687e9bc3cca13807fa2786953b57903161ebe08eb5a7c5d9d16fb98f77f", kill_on_drop: false }`
[INFO] [stdout] 3ea15687e9bc3cca13807fa2786953b57903161ebe08eb5a7c5d9d16fb98f77f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] 9fbfffe1c4f17a6be80b75dee0168f4a48f5c07ffb832a2ef020dce5339c758c
[INFO] running `Command { std: "docker" "start" "-a" "9fbfffe1c4f17a6be80b75dee0168f4a48f5c07ffb832a2ef020dce5339c758c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arcstr-2d90fb6b9882bd6f
[INFO] [stdout] test arc_str::test::verify_type_pun_offsets_sasi_big_bufs ... ok
[INFO] [stdout] test substr::test::test_from_parts_unchecked_valid ... ok
[INFO] [stdout] test mac::test::ensure_no_import ... ok
[INFO] [stdout] test substr::test::test_from_parts_unchecked_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arc_str-cb89972ee1a6bbba
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_inherent_overrides ... ok
[INFO] [stdout] test test_loose_ends ... ok
[INFO] [stdout] test test_ptr_eq ... ok
[INFO] [stdout] test test_static_arcstr_include_bytes ... ok
[INFO] [stdout] test test_strong_count ... ok
[INFO] [stdout] test test_statics ... ok
[INFO] [stdout] test test_btreemap ... ok
[INFO] [stdout] test test_indexing ... ok
[INFO] [stdout] test test_hashmap ... ok
[INFO] [stdout] test test_from_into_raw ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] test test_froms_more ... ok
[INFO] [stdout] test test_fmt ... ok
[INFO] [stdout] test smoke_test_clone ... ok
[INFO] [stdout] test test_various_partial_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/substr-0eceae89a37feae6
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test double_substr ... ok
[INFO] [stdout] test test_fmt ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] test test_parts_shallow_eq ... ok
[INFO] [stdout] test single_substr ... ok
[INFO] [stdout] test test_cow ... ok
[INFO] [stdout] test test_hashmap ... ok
[INFO] [stdout] test test_substr_from_using ... ok
[INFO] [stdout] test substr_index ... ok
[INFO] [stdout] test test_inherent_overrides ... ok
[INFO] [stdout] test test_loose_ends ... ok
[INFO] [stdout] test test_substr_from ... ok
[INFO] [stdout] test test_btreemap ... ok
[INFO] [stdout] test test_try_substr_from ... ok
[INFO] [stdout] test test_try_substr_from_substr ... ok
[INFO] [stdout] test test_try_substr_from_using ... ok
[INFO] [stdout] test test_various_partial_eq ... ok
[INFO] [stdout] test substr_panic4 ... ok
[INFO] [stdout] test substr_panic ... ok
[INFO] [stdout] test substr_panic2 ... ok
[INFO] [stdout] test test_substr_using_panic1 ... ok
[INFO] [stdout] test test_substr_from_panic ... ok
[INFO] [stdout] test test_substr_using_arc_panic ... ok
[INFO] [stdout] test test_substr_using_panic0 ... ok
[INFO] [stdout] test substr_panic1 ... ok
[INFO] [stdout] test substr_panic3 ... ok
[INFO] [stdout] test test_substr_using_panic2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arcstr
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 105) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 94) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::strong_count (line 334) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::from_raw (line 265) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::is_empty (line 178) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::len (line 164) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 81) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_bytes (line 212) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::is_static (line 371) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_str (line 149) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_static (line 401) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::new (line 132) ... ok
[INFO] [stdout] test src/mac.rs - literal (line 24) ... ignored
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::into_raw (line 239) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::ptr_eq (line 290) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::strong_count (line 344) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr_from (line 473) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_substr_using (line 574) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr (line 439) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr_using (line 603) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::parent (line 376) ... ignored
[INFO] [stdout] test src/mac.rs - format (line 64) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::to_string (line 195) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_substr_from (line 526) ... ok
[INFO] [stdout] test src/mac.rs - literal (line 11) ... ok
[INFO] [stdout] test src/mac.rs - literal_substr (line 93) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr (line 33) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::as_str (line 242) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::parent (line 385) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::new (line 128) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::shallow_eq (line 356) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::from_parts_unchecked (line 318) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::len (line 256) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr_using (line 550) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::is_empty (line 271) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::full (line 144) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr (line 184) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::range (line 410) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::try_substr_from (line 478) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::to_string (line 289) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr_from (line 439) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::try_substr_using (line 523) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 10.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fbfffe1c4f17a6be80b75dee0168f4a48f5c07ffb832a2ef020dce5339c758c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbfffe1c4f17a6be80b75dee0168f4a48f5c07ffb832a2ef020dce5339c758c", kill_on_drop: false }`
[INFO] [stdout] 9fbfffe1c4f17a6be80b75dee0168f4a48f5c07ffb832a2ef020dce5339c758c