[INFO] fetching crate filebuffer 1.0.0...
[INFO] testing filebuffer-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate filebuffer 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate filebuffer 1.0.0
[INFO] finished tweaking crates.io crate filebuffer 1.0.0
[INFO] tweaked toml for crates.io crate filebuffer 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filebuffer 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate filebuffer 1.0.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4481cc1d4b03161c11ee84ab178952ee3fd21aa949e44c432939676b1f5294
[INFO] running `Command { std: "docker" "start" "-a" "2f4481cc1d4b03161c11ee84ab178952ee3fd21aa949e44c432939676b1f5294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4481cc1d4b03161c11ee84ab178952ee3fd21aa949e44c432939676b1f5294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4481cc1d4b03161c11ee84ab178952ee3fd21aa949e44c432939676b1f5294", kill_on_drop: false }`
[INFO] [stdout] 2f4481cc1d4b03161c11ee84ab178952ee3fd21aa949e44c432939676b1f5294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b7bbc72e7b145c9d9c7275f51cbbfab2ec5cad9be0a2ff8cefc5905a0e032a
[INFO] running `Command { std: "docker" "start" "-a" "15b7bbc72e7b145c9d9c7275f51cbbfab2ec5cad9be0a2ff8cefc5905a0e032a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling filebuffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "15b7bbc72e7b145c9d9c7275f51cbbfab2ec5cad9be0a2ff8cefc5905a0e032a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b7bbc72e7b145c9d9c7275f51cbbfab2ec5cad9be0a2ff8cefc5905a0e032a", kill_on_drop: false }`
[INFO] [stdout] 15b7bbc72e7b145c9d9c7275f51cbbfab2ec5cad9be0a2ff8cefc5905a0e032a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a25aebe92fcc3b6306f51666bc617170651b8d99f8de06514542d6d282bf9d
[INFO] running `Command { std: "docker" "start" "-a" "f1a25aebe92fcc3b6306f51666bc617170651b8d99f8de06514542d6d282bf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling filebuffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "f1a25aebe92fcc3b6306f51666bc617170651b8d99f8de06514542d6d282bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a25aebe92fcc3b6306f51666bc617170651b8d99f8de06514542d6d282bf9d", kill_on_drop: false }`
[INFO] [stdout] f1a25aebe92fcc3b6306f51666bc617170651b8d99f8de06514542d6d282bf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afc5e17ff53c99634014be377b1150dd3703c461555cdf6f854c2d8f09e73f61
[INFO] running `Command { std: "docker" "start" "-a" "afc5e17ff53c99634014be377b1150dd3703c461555cdf6f854c2d8f09e73f61", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filebuffer-f3116f161106fefa)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test drop_after_leak ... ok
[INFO] [stdout] test empty_file_has_zero_resident_len ... ok
[INFO] [stdout] test fbuffer_can_be_moved_into_thread ... ok
[INFO] [stdout] test fbuffer_can_be_shared_among_threads ... ok
[INFO] [stdout] test open_file ... ok
[INFO] [stdout] test make_resident ... ok
[INFO] [stdout] test page_size_at_least_4096 ... ok
[INFO] [stdout] test empty_file_prefetch_is_fine ... ok
[INFO] [stdout] test open_empty_file_is_fine ... ok
[INFO] [stdout] test verify_round_down_to ... ok
[INFO] [stdout] test prefetch_is_not_harmful ... ok
[INFO] [stdout] test empty_file_deref_is_fine ... ok
[INFO] [stdout] test verify_round_up_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filebuffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afc5e17ff53c99634014be377b1150dd3703c461555cdf6f854c2d8f09e73f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc5e17ff53c99634014be377b1150dd3703c461555cdf6f854c2d8f09e73f61", kill_on_drop: false }`
[INFO] [stdout] afc5e17ff53c99634014be377b1150dd3703c461555cdf6f854c2d8f09e73f61