[INFO] fetching crate readfilter 0.1.2...
[INFO] testing readfilter-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate readfilter 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate readfilter 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readfilter 0.1.2
[INFO] finished tweaking crates.io crate readfilter 0.1.2
[INFO] tweaked toml for crates.io crate readfilter 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53aaf59ec11c55a19d49e2ad7e2e0b8e71ffee5a49dcaca477d6b1cc3bdaa524
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53aaf59ec11c55a19d49e2ad7e2e0b8e71ffee5a49dcaca477d6b1cc3bdaa524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53aaf59ec11c55a19d49e2ad7e2e0b8e71ffee5a49dcaca477d6b1cc3bdaa524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53aaf59ec11c55a19d49e2ad7e2e0b8e71ffee5a49dcaca477d6b1cc3bdaa524", kill_on_drop: false }`
[INFO] [stdout] 53aaf59ec11c55a19d49e2ad7e2e0b8e71ffee5a49dcaca477d6b1cc3bdaa524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254c0d424fb7eb4767893420a75e9d65c6462d6c4f9bc44d42979536a20baf4f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "254c0d424fb7eb4767893420a75e9d65c6462d6c4f9bc44d42979536a20baf4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfilter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "254c0d424fb7eb4767893420a75e9d65c6462d6c4f9bc44d42979536a20baf4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254c0d424fb7eb4767893420a75e9d65c6462d6c4f9bc44d42979536a20baf4f", kill_on_drop: false }`
[INFO] [stdout] 254c0d424fb7eb4767893420a75e9d65c6462d6c4f9bc44d42979536a20baf4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d30e1d1dcf39be18317eebd41ebfea6a494643caeecf47c374ac55b6413861
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e0d30e1d1dcf39be18317eebd41ebfea6a494643caeecf47c374ac55b6413861", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfilter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "e0d30e1d1dcf39be18317eebd41ebfea6a494643caeecf47c374ac55b6413861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d30e1d1dcf39be18317eebd41ebfea6a494643caeecf47c374ac55b6413861", kill_on_drop: false }`
[INFO] [stdout] e0d30e1d1dcf39be18317eebd41ebfea6a494643caeecf47c374ac55b6413861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 723cc9b4b6bdaf73cac9e314303f8abf08250579a04941da0c7c4e378115e66a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "723cc9b4b6bdaf73cac9e314303f8abf08250579a04941da0c7c4e378115e66a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/readfilter-c3cd8b72036c0e77
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_char_whitelist_iter::empty_whitelist ... ok
[INFO] [stdout] test test_comment_strip_iter::ignore_all_long_2 ... ok
[INFO] [stdout] test test_comment_strip_iter::keep_end_short ... ok
[INFO] [stdout] test test_comment_strip_iter_read::just_byte_before_and_after_comment ... ok
[INFO] [stdout] test test_comment_strip_iter::empty_is_empty ... ok
[INFO] [stdout] test test_comment_strip_iter_read::just_byte_after_comment ... ok
[INFO] [stdout] test test_comment_strip_iter_read::just_byte_before_comment ... ok
[INFO] [stdout] test test_read_common_with_comment_strip_iter::empty ... ok
[INFO] [stdout] test test_read_common_with_comment_strip_iter::many_tiny_reads ... ok
[INFO] [stdout] test test_comment_strip_iter::ignore_all_short ... ok
[INFO] [stdout] test test_char_whitelist_iter::whitelist_allows_all ... ok
[INFO] [stdout] test test_read_common_with_comment_strip_iter::big_inbuf_just_larger_outbuf ... ok
[INFO] [stdout] test test_comment_strip_iter_read::just_comment_returns_empty ... ok
[INFO] [stdout] test test_read_common_with_comment_strip_iter::big_inbuf_tiny_outbuf ... ok
[INFO] [stdout] test test_char_whitelist_iter::whitelist_allows_single ... ok
[INFO] [stdout] test test_read_common_with_comment_strip_iter::big_inbuf_just_smaller_outbuf ... ok
[INFO] [stdout] test test_comment_strip_iter::keep_end_long ... ok
[INFO] [stdout] test test_comment_strip_iter::ignore_all_long_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readfilter
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - CharWhitelist (line 57) ... ok
[INFO] [stdout] test src/lib.rs - CharWhitelist (line 47) ... ok
[INFO] [stdout] test src/lib.rs - CommentStrip (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "723cc9b4b6bdaf73cac9e314303f8abf08250579a04941da0c7c4e378115e66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723cc9b4b6bdaf73cac9e314303f8abf08250579a04941da0c7c4e378115e66a", kill_on_drop: false }`
[INFO] [stdout] 723cc9b4b6bdaf73cac9e314303f8abf08250579a04941da0c7c4e378115e66a