[INFO] fetching crate arcstr 1.2.0...
[INFO] testing arcstr-1.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate arcstr 1.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate arcstr 1.2.0
[INFO] finished tweaking crates.io crate arcstr 1.2.0
[INFO] tweaked toml for crates.io crate arcstr 1.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arcstr 1.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1cee4d898531209d0ec7d05d19df77c42e94237817983edd70e7f86bf4fe7f
[INFO] running `Command { std: "docker" "start" "-a" "3c1cee4d898531209d0ec7d05d19df77c42e94237817983edd70e7f86bf4fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1cee4d898531209d0ec7d05d19df77c42e94237817983edd70e7f86bf4fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1cee4d898531209d0ec7d05d19df77c42e94237817983edd70e7f86bf4fe7f", kill_on_drop: false }`
[INFO] [stdout] 3c1cee4d898531209d0ec7d05d19df77c42e94237817983edd70e7f86bf4fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca9abc47c8d4413bce018e1c7fee1dc1f0d31e452625870c910bc7e57ed7658
[INFO] running `Command { std: "docker" "start" "-a" "3ca9abc47c8d4413bce018e1c7fee1dc1f0d31e452625870c910bc7e57ed7658", kill_on_drop: false }`
[INFO] [stderr]    Compiling arcstr v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3ca9abc47c8d4413bce018e1c7fee1dc1f0d31e452625870c910bc7e57ed7658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca9abc47c8d4413bce018e1c7fee1dc1f0d31e452625870c910bc7e57ed7658", kill_on_drop: false }`
[INFO] [stdout] 3ca9abc47c8d4413bce018e1c7fee1dc1f0d31e452625870c910bc7e57ed7658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d81f3c043b04d27ae7f5fcc9db75b6a75fc23732ac8cb183e477405e02cd5a1
[INFO] running `Command { std: "docker" "start" "-a" "7d81f3c043b04d27ae7f5fcc9db75b6a75fc23732ac8cb183e477405e02cd5a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling arcstr v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "7d81f3c043b04d27ae7f5fcc9db75b6a75fc23732ac8cb183e477405e02cd5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d81f3c043b04d27ae7f5fcc9db75b6a75fc23732ac8cb183e477405e02cd5a1", kill_on_drop: false }`
[INFO] [stdout] 7d81f3c043b04d27ae7f5fcc9db75b6a75fc23732ac8cb183e477405e02cd5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99a0615e5c18eabb41489680297c28b49cea299574a09f5bff6d3e2d261aae6d
[INFO] running `Command { std: "docker" "start" "-a" "99a0615e5c18eabb41489680297c28b49cea299574a09f5bff6d3e2d261aae6d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arcstr-47dc78ff4391b9ad)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arc_str::test::verify_type_pun_offsets_sasi_big_bufs ... ok
[INFO] [stdout] test mac::test::ensure_no_import ... ok
[INFO] [stdout] test substr::test::test_from_parts_unchecked_valid ... ok
[INFO] [stdout] test substr::test::test_from_parts_unchecked_err - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arcstr
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::leak (line 553) - compile ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::init_with_unchecked (line 220) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::from_raw (line 425) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::ptr_eq (line 450) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::len (line 322) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_str (line 307) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::is_empty (line 341) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::repeat (line 953) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 96) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::into_raw (line 399) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_bytes (line 375) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 83) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr (line 107) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::as_static (line 685) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::new (line 134) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::init_with (line 257) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::is_static (line 630) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::strong_count (line 504) ... ok
[INFO] [stdout] test src/mac.rs - mac::literal (line 23) ... ignored
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::repeat (line 962) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::strong_count (line 494) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr (line 723) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_init_with_unchecked (line 184) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_repeat (line 910) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_substr_using (line 858) ... ok
[INFO] [stdout] test src/mac.rs - mac::literal (line 11) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::parent (line 374) ... ignored
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_alloc (line 149) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr_from (line 757) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::substr_using (line 887) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::to_string (line 358) ... ok
[INFO] [stdout] test src/mac.rs - mac::literal_substr (line 91) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/mac.rs - mac::format (line 66) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::as_str (line 240) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::new (line 132) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::full (line 148) ... ok
[INFO] [stdout] test src/arc_str.rs - arc_str::ArcStr::try_substr_from (line 810) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::from_parts_unchecked (line 316) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr_from (line 437) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::to_string (line 287) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::len (line 254) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::shallow_eq (line 354) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::try_substr_from (line 476) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr (line 185) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::parent (line 383) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::is_empty (line 269) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::range (line 408) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::substr_using (line 548) ... ok
[INFO] [stdout] test src/substr.rs - substr::Substr::try_substr_using (line 521) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99a0615e5c18eabb41489680297c28b49cea299574a09f5bff6d3e2d261aae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a0615e5c18eabb41489680297c28b49cea299574a09f5bff6d3e2d261aae6d", kill_on_drop: false }`
[INFO] [stdout] 99a0615e5c18eabb41489680297c28b49cea299574a09f5bff6d3e2d261aae6d