[INFO] fetching crate markable_reader 2.1.1...
[INFO] testing markable_reader-2.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate markable_reader 2.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate markable_reader 2.1.1
[INFO] finished tweaking crates.io crate markable_reader 2.1.1
[INFO] tweaked toml for crates.io crate markable_reader 2.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate markable_reader 2.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f43e3613ccb2d52bdf1266671375e31a24303938dd9683af1cc06f65ca53cd
[INFO] running `Command { std: "docker" "start" "-a" "85f43e3613ccb2d52bdf1266671375e31a24303938dd9683af1cc06f65ca53cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f43e3613ccb2d52bdf1266671375e31a24303938dd9683af1cc06f65ca53cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f43e3613ccb2d52bdf1266671375e31a24303938dd9683af1cc06f65ca53cd", kill_on_drop: false }`
[INFO] [stdout] 85f43e3613ccb2d52bdf1266671375e31a24303938dd9683af1cc06f65ca53cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9114b54849ff1471a6af242d0428473ccd3aeb681f54477852d15692358ed6df
[INFO] running `Command { std: "docker" "start" "-a" "9114b54849ff1471a6af242d0428473ccd3aeb681f54477852d15692358ed6df", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "9114b54849ff1471a6af242d0428473ccd3aeb681f54477852d15692358ed6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9114b54849ff1471a6af242d0428473ccd3aeb681f54477852d15692358ed6df", kill_on_drop: false }`
[INFO] [stdout] 9114b54849ff1471a6af242d0428473ccd3aeb681f54477852d15692358ed6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a699b086952b39da932f39fba88dee7fa11d532c1ee513c989afc7b392921509
[INFO] running `Command { std: "docker" "start" "-a" "a699b086952b39da932f39fba88dee7fa11d532c1ee513c989afc7b392921509", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "a699b086952b39da932f39fba88dee7fa11d532c1ee513c989afc7b392921509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a699b086952b39da932f39fba88dee7fa11d532c1ee513c989afc7b392921509", kill_on_drop: false }`
[INFO] [stdout] a699b086952b39da932f39fba88dee7fa11d532c1ee513c989afc7b392921509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fd08c4bdd2af9fb40b86417c2236103155e10abe1146c8f1836175fae9c989d
[INFO] running `Command { std: "docker" "start" "-a" "5fd08c4bdd2af9fb40b86417c2236103155e10abe1146c8f1836175fae9c989d", 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/markable_reader-15f9e039ce04c9a7)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test io::buffer::tests::test_dynamic_growing ... ok
[INFO] [stdout] test io::buffer::tests::test_exceeding_limit ... ok
[INFO] [stdout] test io::buffer::tests::test_reusing_space ... ok
[INFO] [stdout] test io::buffer::tests::test_simple_read ... ok
[INFO] [stdout] test io::buffer::tests::test_use_after_clear ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_attempt_to_overread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markable_reader
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fd08c4bdd2af9fb40b86417c2236103155e10abe1146c8f1836175fae9c989d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd08c4bdd2af9fb40b86417c2236103155e10abe1146c8f1836175fae9c989d", kill_on_drop: false }`
[INFO] [stdout] 5fd08c4bdd2af9fb40b86417c2236103155e10abe1146c8f1836175fae9c989d