[INFO] crate libprefetch 0.1.1 is already in cache
[INFO] testing libprefetch-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate libprefetch 0.1.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate libprefetch 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libprefetch 0.1.1
[INFO] finished tweaking crates.io crate libprefetch 0.1.1
[INFO] tweaked toml for crates.io crate libprefetch 0.1.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5288f1f166a3ef962b82ff5e5785b74a076cbea949b388c2f9dc47c444206a4d
[INFO] running `"docker" "start" "-a" "5288f1f166a3ef962b82ff5e5785b74a076cbea949b388c2f9dc47c444206a4d"`
[INFO] [stderr]    Compiling libprefetch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Box<super::parser::Parser>)> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "5288f1f166a3ef962b82ff5e5785b74a076cbea949b388c2f9dc47c444206a4d"`
[INFO] running `"docker" "rm" "-f" "5288f1f166a3ef962b82ff5e5785b74a076cbea949b388c2f9dc47c444206a4d"`
[INFO] [stdout] 5288f1f166a3ef962b82ff5e5785b74a076cbea949b388c2f9dc47c444206a4d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b55779116c5625b6f5c5187940c9e9a1ac3a00d1cd429b7fc50f4c9453c3d969
[INFO] running `"docker" "start" "-a" "b55779116c5625b6f5c5187940c9e9a1ac3a00d1cd429b7fc50f4c9453c3d969"`
[INFO] [stderr]    Compiling libprefetch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Box<super::parser::Parser>)> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "b55779116c5625b6f5c5187940c9e9a1ac3a00d1cd429b7fc50f4c9453c3d969"`
[INFO] running `"docker" "rm" "-f" "b55779116c5625b6f5c5187940c9e9a1ac3a00d1cd429b7fc50f4c9453c3d969"`
[INFO] [stdout] b55779116c5625b6f5c5187940c9e9a1ac3a00d1cd429b7fc50f4c9453c3d969
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] cd2d710baf0a71dfd1f76a37f383370e170c7feca9f758658befbb93f25b51c8
[INFO] running `"docker" "start" "-a" "cd2d710baf0a71dfd1f76a37f383370e170c7feca9f758658befbb93f25b51c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libprefetch-e82330b72c7834c3
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::metrics ... ok
[INFO] [stdout] test tests::volumes ... ok
[INFO] [stdout] test tests::header ... ok
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] test tests::volumes_directories ... ok
[INFO] [stdout] test tests::trace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libprefetch
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::from_path (line 235) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch (line 79) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::trace (line 157) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::new (line 207) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::volumes (line 177) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::metrics (line 136) ... ok
[INFO] [stdout] test src/lib.rs -  (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cd2d710baf0a71dfd1f76a37f383370e170c7feca9f758658befbb93f25b51c8"`
[INFO] running `"docker" "rm" "-f" "cd2d710baf0a71dfd1f76a37f383370e170c7feca9f758658befbb93f25b51c8"`
[INFO] [stdout] cd2d710baf0a71dfd1f76a37f383370e170c7feca9f758658befbb93f25b51c8