[INFO] crate libimagentrylink 0.9.3 is already in cache
[INFO] extracting crate libimagentrylink 0.9.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/libimagentrylink/0.9.3
[INFO] extracting crate libimagentrylink 0.9.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagentrylink/0.9.3
[INFO] validating manifest of libimagentrylink-0.9.3 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 libimagentrylink-0.9.3 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 libimagentrylink-0.9.3
[INFO] finished frobbing libimagentrylink-0.9.3
[INFO] frobbed toml for libimagentrylink-0.9.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libimagentrylink/0.9.3/Cargo.toml
[INFO] started frobbing libimagentrylink-0.9.3
[INFO] finished frobbing libimagentrylink-0.9.3
[INFO] frobbed toml for libimagentrylink-0.9.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libimagentrylink/0.9.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing libimagentrylink-0.9.3 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-3/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/libimagentrylink/0.9.3:/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] 9f162ce33c396d07fa9fea73387649b4bcef677c348d83374d2698ae84ec55fb
[INFO] running `"docker" "start" "-a" "9f162ce33c396d07fa9fea73387649b4bcef677c348d83374d2698ae84ec55fb"`
[INFO] [stderr]    Compiling libimagerror v0.9.3
[INFO] [stderr]    Compiling libimagutil v0.9.3
[INFO] [stderr]    Compiling libimagstore v0.9.3
[INFO] [stderr]    Compiling libimagentrylink v0.9.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:286:48
[INFO] [stderr]     |
[INFO] [stderr] 286 |         pub fn filtered_for_links(self, f: Box<Fn(&[Link]) -> bool>) -> FilterLinksIter<'a> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[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/internal.rs:312:53
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub struct FilterLinksIter<'a>(GetIter<'a>, Box<Fn(&[Link]) -> bool>);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:315:44
[INFO] [stderr]     |
[INFO] [stderr] 315 |         pub fn new(gi: GetIter<'a>, f: Box<Fn(&[Link]) -> bool>) -> FilterLinksIter<'a> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `"docker" "inspect" "9f162ce33c396d07fa9fea73387649b4bcef677c348d83374d2698ae84ec55fb"`
[INFO] running `"docker" "rm" "-f" "9f162ce33c396d07fa9fea73387649b4bcef677c348d83374d2698ae84ec55fb"`
[INFO] [stdout] 9f162ce33c396d07fa9fea73387649b4bcef677c348d83374d2698ae84ec55fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/libimagentrylink/0.9.3:/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] bf33c37dfbbb0edb31297586bd5f5c24fca3fafe9300e19f5af4ae7daa4df4f0
[INFO] running `"docker" "start" "-a" "bf33c37dfbbb0edb31297586bd5f5c24fca3fafe9300e19f5af4ae7daa4df4f0"`
[INFO] [stderr]    Compiling libimagentrylink v0.9.3 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `env_logger` is imported redundantly
[INFO] [stderr]    --> src/external.rs:456:13
[INFO] [stderr]     |
[INFO] [stderr] 456 |         use env_logger;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:49:1
[INFO] [stderr]     |
[INFO] [stderr] 49  | extern crate env_logger;
[INFO] [stderr]     | ------------------------ the item `env_logger` is already imported here
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:31:5
[INFO] [stderr]     |
[INFO] [stderr] 31  |     unused_imports,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:286:48
[INFO] [stderr]     |
[INFO] [stderr] 286 |         pub fn filtered_for_links(self, f: Box<Fn(&[Link]) -> bool>) -> FilterLinksIter<'a> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[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/internal.rs:312:53
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub struct FilterLinksIter<'a>(GetIter<'a>, Box<Fn(&[Link]) -> bool>);
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal.rs:315:44
[INFO] [stderr]     |
[INFO] [stderr] 315 |         pub fn new(gi: GetIter<'a>, f: Box<Fn(&[Link]) -> bool>) -> FilterLinksIter<'a> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Link]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/internal.rs:553:9
[INFO] [stderr]     |
[INFO] [stderr] 22  | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 553 |     use std::path::PathBuf;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `"docker" "inspect" "bf33c37dfbbb0edb31297586bd5f5c24fca3fafe9300e19f5af4ae7daa4df4f0"`
[INFO] running `"docker" "rm" "-f" "bf33c37dfbbb0edb31297586bd5f5c24fca3fafe9300e19f5af4ae7daa4df4f0"`
[INFO] [stdout] bf33c37dfbbb0edb31297586bd5f5c24fca3fafe9300e19f5af4ae7daa4df4f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/libimagentrylink/0.9.3:/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] 46d6f0790ce96fe02358325a68dc8d83e2a174c1e9a99d5b803fd558332978f6
[INFO] running `"docker" "start" "-a" "46d6f0790ce96fe02358325a68dc8d83e2a174c1e9a99d5b803fd558332978f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libimagentrylink-5e5f4c7ad2cc4030
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test internal::test::test_link_annotating ... ok
[INFO] [stdout] test external::tests::test_simple ... ok
[INFO] [stdout] test internal::test::test_new_entry_no_links ... ok
[INFO] [stdout] test internal::test::test_link_deleting ... ok
[INFO] [stdout] test internal::test::test_link_two_entries ... ok
[INFO] [stdout] test internal::test::test_multiple_links ... ok
[INFO] [stdout] test internal::test::test_link_deleting_multiple_links ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libimagentrylink
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/external.rs - external::iter::ExternalFilterIter (line 148) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "46d6f0790ce96fe02358325a68dc8d83e2a174c1e9a99d5b803fd558332978f6"`
[INFO] running `"docker" "rm" "-f" "46d6f0790ce96fe02358325a68dc8d83e2a174c1e9a99d5b803fd558332978f6"`
[INFO] [stdout] 46d6f0790ce96fe02358325a68dc8d83e2a174c1e9a99d5b803fd558332978f6