[INFO] fetching crate marc 3.1.1...
[INFO] testing marc-3.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate marc 3.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate marc 3.1.1
[INFO] finished tweaking crates.io crate marc 3.1.1
[INFO] tweaked toml for crates.io crate marc 3.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marc 3.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding xml-rs v0.8.28 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 383a276d0e7063fd7506407106d64589a2b4e3f7e20db2ea747169407dffd858
[INFO] running `Command { std: "docker" "start" "-a" "383a276d0e7063fd7506407106d64589a2b4e3f7e20db2ea747169407dffd858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383a276d0e7063fd7506407106d64589a2b4e3f7e20db2ea747169407dffd858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383a276d0e7063fd7506407106d64589a2b4e3f7e20db2ea747169407dffd858", kill_on_drop: false }`
[INFO] [stdout] 383a276d0e7063fd7506407106d64589a2b4e3f7e20db2ea747169407dffd858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077ddfe064957362feb81e904e48ca641d1acad6fe5884ee8fcc5818ce9638dc
[INFO] running `Command { std: "docker" "start" "-a" "077ddfe064957362feb81e904e48ca641d1acad6fe5884ee8fcc5818ce9638dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling marc v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "077ddfe064957362feb81e904e48ca641d1acad6fe5884ee8fcc5818ce9638dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077ddfe064957362feb81e904e48ca641d1acad6fe5884ee8fcc5818ce9638dc", kill_on_drop: false }`
[INFO] [stdout] 077ddfe064957362feb81e904e48ca641d1acad6fe5884ee8fcc5818ce9638dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29fe37f56a6b16cc04fedb36db37d03fa3803c62e75dc08a285f0408b0e3c01d
[INFO] running `Command { std: "docker" "start" "-a" "29fe37f56a6b16cc04fedb36db37d03fa3803c62e75dc08a285f0408b0e3c01d", kill_on_drop: false }`
[INFO] [stderr]    Compiling marc v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "29fe37f56a6b16cc04fedb36db37d03fa3803c62e75dc08a285f0408b0e3c01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fe37f56a6b16cc04fedb36db37d03fa3803c62e75dc08a285f0408b0e3c01d", kill_on_drop: false }`
[INFO] [stdout] 29fe37f56a6b16cc04fedb36db37d03fa3803c62e75dc08a285f0408b0e3c01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63860fca686be504cb7936baf77426de989e32068c271a1c2d9b8b5a6a42c2f2
[INFO] running `Command { std: "docker" "start" "-a" "63860fca686be504cb7936baf77426de989e32068c271a1c2d9b8b5a6a42c2f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/marc-4b351432582ac424)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test directory::test::should_parse_empty_directory ... ok
[INFO] [stdout] test field::test::should_filter_subfields ... ok
[INFO] [stdout] test field::subfield::test::should_find_subfields ... ok
[INFO] [stdout] test tests::read::should_create_record_from_vec ... ok
[INFO] [stdout] test tests::read::should_display_record ... ok
[INFO] [stdout] test tests::read::should_get_field ... ok
[INFO] [stdout] test tests::read::should_get_fields ... ok
[INFO] [stdout] test field::test::should_add_subfield ... ok
[INFO] [stdout] test field::subfield::subfields::test::should_iterate_subfields ... ok
[INFO] [stdout] test tests::read::should_parse_record ... ok
[INFO] [stdout] test tests::write::should_write_record ... ok
[INFO] [stdout] test tests::read::should_read_record ... ok
[INFO] [stdout] test tests::read::should_iterate_records ... ok
[INFO] [stdout] test tests::read::should_build_record ... ok
[INFO] [stdout] test directory::test::should_parse_directory ... ok
[INFO] [stdout] test field::test::should_panic_if_field_is_too_large - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests marc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - fields (line 742) ... ok
[INFO] [stdout] test src/lib.rs - Record<'a>::is_unicode (line 277) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 59) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Record<'a>::is_unicode (line 277) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Io(NotFound)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Io(NotFound)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 59) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Io(NotFound)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 59)
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/lib.rs - Record<'a>::is_unicode (line 277)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "63860fca686be504cb7936baf77426de989e32068c271a1c2d9b8b5a6a42c2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63860fca686be504cb7936baf77426de989e32068c271a1c2d9b8b5a6a42c2f2", kill_on_drop: false }`
[INFO] [stdout] 63860fca686be504cb7936baf77426de989e32068c271a1c2d9b8b5a6a42c2f2