[INFO] fetching crate peekbufread 0.2.0...
[INFO] testing peekbufread-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate peekbufread 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate peekbufread 0.2.0
[INFO] finished tweaking crates.io crate peekbufread 0.2.0
[INFO] tweaked toml for crates.io crate peekbufread 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekbufread 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4527034e7fc28c3f21a93b7f9845062fe2ce34cbc4a0c3c08aeaa0acb3797ca9
[INFO] running `Command { std: "docker" "start" "-a" "4527034e7fc28c3f21a93b7f9845062fe2ce34cbc4a0c3c08aeaa0acb3797ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4527034e7fc28c3f21a93b7f9845062fe2ce34cbc4a0c3c08aeaa0acb3797ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4527034e7fc28c3f21a93b7f9845062fe2ce34cbc4a0c3c08aeaa0acb3797ca9", kill_on_drop: false }`
[INFO] [stdout] 4527034e7fc28c3f21a93b7f9845062fe2ce34cbc4a0c3c08aeaa0acb3797ca9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f197539e8d1fdfb2fdc283f8b33d08732a515ed4334590be2cd1e718437451
[INFO] running `Command { std: "docker" "start" "-a" "78f197539e8d1fdfb2fdc283f8b33d08732a515ed4334590be2cd1e718437451", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekbufread v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "78f197539e8d1fdfb2fdc283f8b33d08732a515ed4334590be2cd1e718437451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f197539e8d1fdfb2fdc283f8b33d08732a515ed4334590be2cd1e718437451", kill_on_drop: false }`
[INFO] [stdout] 78f197539e8d1fdfb2fdc283f8b33d08732a515ed4334590be2cd1e718437451
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 568d43bc027313ebc7e485ce9b98e5e37718974a2dabfb5607e96829607ff924
[INFO] running `Command { std: "docker" "start" "-a" "568d43bc027313ebc7e485ce9b98e5e37718974a2dabfb5607e96829607ff924", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekbufread v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "568d43bc027313ebc7e485ce9b98e5e37718974a2dabfb5607e96829607ff924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568d43bc027313ebc7e485ce9b98e5e37718974a2dabfb5607e96829607ff924", kill_on_drop: false }`
[INFO] [stdout] 568d43bc027313ebc7e485ce9b98e5e37718974a2dabfb5607e96829607ff924
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a9ccfaa9b2378a8fe5f50ba1c5f437d8c5ff1932425807848db4432e594b3c3
[INFO] running `Command { std: "docker" "start" "-a" "2a9ccfaa9b2378a8fe5f50ba1c5f437d8c5ff1932425807848db4432e594b3c3", 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/peekbufread-cb2d6b7e1d1fea2b)
[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] [stdout] 
[INFO] [stderr]      Running tests/peek.rs (/opt/rustwide/target/debug/deps/peek-49cd577f354114ca)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test checkpoint_err_equal_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_err_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_ok_after_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_peek_err ... ok
[INFO] [stdout] test checkpoint_ok_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_read_err ... ok
[INFO] [stdout] test checkpoint_read_partial_err ... ok
[INFO] [stdout] test partial_peek_checkpoint_err_in_checkpoint_err ... ok
[INFO] [stdout] test partial_peek_peek_read ... ok
[INFO] [stdout] test partial_peek_checkpoint_ok_in_checkpoint_err ... ok
[INFO] [stdout] test partial_peek_read_read ... ok
[INFO] [stdout] test partial_peek_read_until ... ok
[INFO] [stdout] test peek ... ok
[INFO] [stdout] test peek_partial ... ok
[INFO] [stdout] test peek_partial_read_all ... ok
[INFO] [stdout] test peek_partial_then_all ... ok
[INFO] [stdout] test peek_read ... ok
[INFO] [stdout] test peek_read_until ... ok
[INFO] [stdout] test read_partial_checkpoint_read_err ... ok
[INFO] [stdout] test read_partial_checkpoint_read_peek_err ... ok
[INFO] [stdout] test read_partial_then_peek ... ok
[INFO] [stdout] test peek_all_read_partial ... ok
[INFO] [stdout] test checkpoint_err_after_in_checkpoint_err ... ok
[INFO] [stdout] test peek_read_peek ... ok
[INFO] [stdout] test checkpoint_peek_partial_err ... ok
[INFO] [stderr]      Running tests/peek_exact.rs (/opt/rustwide/target/debug/deps/peek_exact-d98eac538f14df8a)
[INFO] [stdout] test checkpoint_read_ok ... ok
[INFO] [stdout] test peek_partial_read_peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test checkpoint_ok_after_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_err_after_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_ok_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_err_equal_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_err_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_peek_exact_err ... ok
[INFO] [stdout] test checkpoint_read_ok ... ok
[INFO] [stdout] test checkpoint_read_partial_err ... ok
[INFO] [stdout] test partial_peek_exact_checkpoint_ok_in_checkpoint_err ... ok
[INFO] [stdout] test partial_peek_exact_read_until ... ok
[INFO] [stdout] test partial_peek_peek_read_exact ... ok
[INFO] [stdout] test partial_peek_read_read_exact ... ok
[INFO] [stdout] test peek_exact_partial_then_all ... ok
[INFO] [stdout] test peek_partial_read_all ... ok
[INFO] [stdout] test peek_exact_read_until ... ok
[INFO] [stdout] test peek_partial_read_peek ... ok
[INFO] [stdout] test peek_read_512 ... ok
[INFO] [stdout] test peek_read_512_exact_128 ... ok
[INFO] [stdout] test peek_read_exact ... ok
[INFO] [stdout] test peek_read_peek ... ok
[INFO] [stdout] test checkpoint_peek_exact_partial_err ... ok
[INFO] [stdout] test read_partial_checkpoint_read_peek_exact_err ... ok
[INFO] [stdout] test read_partial_then_peek_exact ... ok
[INFO] [stdout] test peek_exact ... ok
[INFO] [stdout] test partial_peek_exact_checkpoint_err_in_checkpoint_err ... ok
[INFO] [stdout] test checkpoint_read_err ... ok
[INFO] [stdout] test peek_exact_all_read_partial ... ok
[INFO] [stdout] test peek_exact_partial ... ok
[INFO] [stdout] test read_partial_checkpoint_read_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekbufread
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a9ccfaa9b2378a8fe5f50ba1c5f437d8c5ff1932425807848db4432e594b3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9ccfaa9b2378a8fe5f50ba1c5f437d8c5ff1932425807848db4432e594b3c3", kill_on_drop: false }`
[INFO] [stdout] 2a9ccfaa9b2378a8fe5f50ba1c5f437d8c5ff1932425807848db4432e594b3c3