[INFO] crate libprefetch 0.1.1 is already in cache
[INFO] extracting crate libprefetch 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/libprefetch/0.1.1
[INFO] extracting crate libprefetch 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libprefetch/0.1.1
[INFO] validating manifest of libprefetch-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libprefetch-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libprefetch-0.1.1
[INFO] finished frobbing libprefetch-0.1.1
[INFO] frobbed toml for libprefetch-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libprefetch/0.1.1/Cargo.toml
[INFO] started frobbing libprefetch-0.1.1
[INFO] finished frobbing libprefetch-0.1.1
[INFO] frobbed toml for libprefetch-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libprefetch/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libprefetch-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libprefetch/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 19b90f18fb66b8160d20ed0be920a65c587c90c1eb59cf6e645ca8cd0b630f7e
[INFO] running `"docker" "start" "-a" "19b90f18fb66b8160d20ed0be920a65c587c90c1eb59cf6e645ca8cd0b630f7e"`
[INFO] [stderr]    Compiling libprefetch v0.1.1 (/opt/crater/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 1.25s
[INFO] running `"docker" "inspect" "19b90f18fb66b8160d20ed0be920a65c587c90c1eb59cf6e645ca8cd0b630f7e"`
[INFO] running `"docker" "rm" "-f" "19b90f18fb66b8160d20ed0be920a65c587c90c1eb59cf6e645ca8cd0b630f7e"`
[INFO] [stdout] 19b90f18fb66b8160d20ed0be920a65c587c90c1eb59cf6e645ca8cd0b630f7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libprefetch/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7ed0c8cd8913cd010531b2e7d819c8687901a60460c78b62fda77b5570e90676
[INFO] running `"docker" "start" "-a" "7ed0c8cd8913cd010531b2e7d819c8687901a60460c78b62fda77b5570e90676"`
[INFO] [stderr]    Compiling libprefetch v0.1.1 (/opt/crater/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 1.58s
[INFO] running `"docker" "inspect" "7ed0c8cd8913cd010531b2e7d819c8687901a60460c78b62fda77b5570e90676"`
[INFO] running `"docker" "rm" "-f" "7ed0c8cd8913cd010531b2e7d819c8687901a60460c78b62fda77b5570e90676"`
[INFO] [stdout] 7ed0c8cd8913cd010531b2e7d819c8687901a60460c78b62fda77b5570e90676
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libprefetch/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3e7ad1ba340776bf9abed4f70e01e39e5cee3286f841392f498b2793d21c9d89
[INFO] running `"docker" "start" "-a" "3e7ad1ba340776bf9abed4f70e01e39e5cee3286f841392f498b2793d21c9d89"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libprefetch-e3d27b78ed2beefe
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::volumes ... ok
[INFO] [stdout] test tests::volumes_directories ... ok
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] test tests::header ... ok
[INFO] [stdout] test tests::metrics ... 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 (line 79) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::volumes (line 177) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::new (line 207) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::metrics (line 136) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::from_path (line 235) ... ok
[INFO] [stdout] test src/prefetch.rs - prefetch::Prefetch::trace (line 157) ... 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" "3e7ad1ba340776bf9abed4f70e01e39e5cee3286f841392f498b2793d21c9d89"`
[INFO] running `"docker" "rm" "-f" "3e7ad1ba340776bf9abed4f70e01e39e5cee3286f841392f498b2793d21c9d89"`
[INFO] [stdout] 3e7ad1ba340776bf9abed4f70e01e39e5cee3286f841392f498b2793d21c9d89