[INFO] fetching crate mstr 0.1.5...
[INFO] testing mstr-0.1.5 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mstr 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mstr 0.1.5
[INFO] finished tweaking crates.io crate mstr 0.1.5
[INFO] tweaked toml for crates.io crate mstr 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mstr 0.1.5 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mstr 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b40e34156ebaf7ffccf54f2c3557d8b29524866e9e512507b24e26e611265f4
[INFO] running `Command { std: "docker" "start" "-a" "3b40e34156ebaf7ffccf54f2c3557d8b29524866e9e512507b24e26e611265f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b40e34156ebaf7ffccf54f2c3557d8b29524866e9e512507b24e26e611265f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b40e34156ebaf7ffccf54f2c3557d8b29524866e9e512507b24e26e611265f4", kill_on_drop: false }`
[INFO] [stdout] 3b40e34156ebaf7ffccf54f2c3557d8b29524866e9e512507b24e26e611265f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ff3aa25bb1eb797d5fe89b3150d23d546d63dd84408e98e6d64f21362c1e36
[INFO] running `Command { std: "docker" "start" "-a" "36ff3aa25bb1eb797d5fe89b3150d23d546d63dd84408e98e6d64f21362c1e36", kill_on_drop: false }`
[INFO] [stderr]    Compiling mstr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "36ff3aa25bb1eb797d5fe89b3150d23d546d63dd84408e98e6d64f21362c1e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ff3aa25bb1eb797d5fe89b3150d23d546d63dd84408e98e6d64f21362c1e36", kill_on_drop: false }`
[INFO] [stdout] 36ff3aa25bb1eb797d5fe89b3150d23d546d63dd84408e98e6d64f21362c1e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0b2ea207304dabc9502e225e7854401720fc73a0b13467b8255b74811caff6
[INFO] running `Command { std: "docker" "start" "-a" "3e0b2ea207304dabc9502e225e7854401720fc73a0b13467b8255b74811caff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling mstr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "3e0b2ea207304dabc9502e225e7854401720fc73a0b13467b8255b74811caff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0b2ea207304dabc9502e225e7854401720fc73a0b13467b8255b74811caff6", kill_on_drop: false }`
[INFO] [stdout] 3e0b2ea207304dabc9502e225e7854401720fc73a0b13467b8255b74811caff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e46acfcff12b32d2abc211fb292dc617baaf41e24bcbd0087758afcecb2e6fcd
[INFO] running `Command { std: "docker" "start" "-a" "e46acfcff12b32d2abc211fb292dc617baaf41e24bcbd0087758afcecb2e6fcd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mstr-1186c4577c4e6f0e)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::correct_repr ... ok
[INFO] [stdout] test tests::assert_send_sync ... ok
[INFO] [stdout] test tests::borrowed_stays_borrowed ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::covariant_lt ... ok
[INFO] [stdout] test tests::into_cow ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::owned_clone ... ok
[INFO] [stdout] test tests::roundtrip ... ok
[INFO] [stdout] test tests::owned_empty ... ok
[INFO] [stdout] test tests::roundtrip_string_ptr ... ok
[INFO] [stdout] test tests::static_lt ... ok
[INFO] [stdout] test tests::as_borrowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mstr
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_borrowed (line 372) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_ptr (line 429) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_borrowed (line 363) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'_>::clone (line 473) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'_>::default (line 517) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_str (line 192) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_str_ptr (line 450) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::as_bytes (line 208) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'_>::clone (line 482) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::into_boxed (line 270) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::is_borrowed (line 343) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::is_owned (line 323) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::into_cow (line 293) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::into_boxed (line 261) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::into_string (line 237) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::is_empty (line 407) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_cow (line 142) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::into_string (line 228) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_borrowed (line 54) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_cow (line 156) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_owned (line 84) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_cow (line 130) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::len (line 391) ... ok
[INFO] [stdout] test src/lib.rs - MStr<'a>::new_owned (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e46acfcff12b32d2abc211fb292dc617baaf41e24bcbd0087758afcecb2e6fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46acfcff12b32d2abc211fb292dc617baaf41e24bcbd0087758afcecb2e6fcd", kill_on_drop: false }`
[INFO] [stdout] e46acfcff12b32d2abc211fb292dc617baaf41e24bcbd0087758afcecb2e6fcd