[INFO] crate floyd-warshall-alg 0.1.3 is already in cache [INFO] extracting crate floyd-warshall-alg 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/floyd-warshall-alg/0.1.3 [INFO] extracting crate floyd-warshall-alg 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/floyd-warshall-alg/0.1.3 [INFO] validating manifest of floyd-warshall-alg-0.1.3 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of floyd-warshall-alg-0.1.3 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing floyd-warshall-alg-0.1.3 [INFO] finished frobbing floyd-warshall-alg-0.1.3 [INFO] frobbed toml for floyd-warshall-alg-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/floyd-warshall-alg/0.1.3/Cargo.toml [INFO] started frobbing floyd-warshall-alg-0.1.3 [INFO] finished frobbing floyd-warshall-alg-0.1.3 [INFO] frobbed toml for floyd-warshall-alg-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/floyd-warshall-alg/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing floyd-warshall-alg-0.1.3 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/floyd-warshall-alg/0.1.3:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 58a91d2b8e9d7c7edc05b1d3751a5440e4504a8dc874617ed4a26acd1518706f [INFO] running `"docker" "start" "-a" "58a91d2b8e9d7c7edc05b1d3751a5440e4504a8dc874617ed4a26acd1518706f"` [INFO] [stderr] Compiling safe-graph v0.1.6 [INFO] [stderr] Compiling floyd-warshall-alg v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | op: Box F>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [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/floyd_warshall.rs:44:14 [INFO] [stderr] | [INFO] [stderr] 44 | cmp: Box bool>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:88:35 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:88:60 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | op: Box F>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:113:18 [INFO] [stderr] | [INFO] [stderr] 113 | cmp: Box bool>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/floyd_warshall.rs:180:29 [INFO] [stderr] | [INFO] [stderr] 179 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 180 | next.add_edge(i, j, *direction); [INFO] [stderr] | ^^^^ ---------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/floyd_warshall.rs:188:25 [INFO] [stderr] | [INFO] [stderr] 187 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 188 | next.add_edge(i, j, *direction); [INFO] [stderr] | ^^^^ ---------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "58a91d2b8e9d7c7edc05b1d3751a5440e4504a8dc874617ed4a26acd1518706f"` [INFO] running `"docker" "rm" "-f" "58a91d2b8e9d7c7edc05b1d3751a5440e4504a8dc874617ed4a26acd1518706f"` [INFO] [stdout] 58a91d2b8e9d7c7edc05b1d3751a5440e4504a8dc874617ed4a26acd1518706f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/floyd-warshall-alg/0.1.3:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 1ae9a68427a41680163e062763a76f434c55b09728a923d2dd95f7b8ce63ad5b [INFO] running `"docker" "start" "-a" "1ae9a68427a41680163e062763a76f434c55b09728a923d2dd95f7b8ce63ad5b"` [INFO] [stderr] Compiling floyd-warshall-alg v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | op: Box F>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [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/floyd_warshall.rs:44:14 [INFO] [stderr] | [INFO] [stderr] 44 | cmp: Box bool>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:88:35 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:88:60 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | op: Box F>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/floyd_warshall.rs:113:18 [INFO] [stderr] | [INFO] [stderr] 113 | cmp: Box bool>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/floyd_warshall.rs:180:29 [INFO] [stderr] | [INFO] [stderr] 179 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 180 | next.add_edge(i, j, *direction); [INFO] [stderr] | ^^^^ ---------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/floyd_warshall.rs:188:25 [INFO] [stderr] | [INFO] [stderr] 187 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 188 | next.add_edge(i, j, *direction); [INFO] [stderr] | ^^^^ ---------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `"docker" "inspect" "1ae9a68427a41680163e062763a76f434c55b09728a923d2dd95f7b8ce63ad5b"` [INFO] running `"docker" "rm" "-f" "1ae9a68427a41680163e062763a76f434c55b09728a923d2dd95f7b8ce63ad5b"` [INFO] [stdout] 1ae9a68427a41680163e062763a76f434c55b09728a923d2dd95f7b8ce63ad5b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/floyd-warshall-alg/0.1.3:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 47de46f3ae8cf102e3cf5f34da22c460019d5b0fed130ae23f9cf7b98994a9ef [INFO] running `"docker" "start" "-a" "47de46f3ae8cf102e3cf5f34da22c460019d5b0fed130ae23f9cf7b98994a9ef"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/floyd_warshall_alg-f786f78b88d49e32 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test result::tests::collect_path_nodes ... ok [INFO] [stdout] test result::tests::get_path_rate ... ok [INFO] [stdout] test result::tests::new ... ok [INFO] [stdout] test floyd_warshall::tests::new_fully_customized ... ok [INFO] [stdout] test floyd_warshall::tests::new ... ok [INFO] [stdout] test floyd_warshall::tests::new_customized ... ok [INFO] [stdout] test floyd_warshall::tests::find_paths ... 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 floyd-warshall-alg [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/floyd_warshall.rs - floyd_warshall::FloydWarshall::new_customized (line 79) ... ok [INFO] [stdout] test src/floyd_warshall.rs - floyd_warshall::FloydWarshall::cmp (line 30) ... ok [INFO] [stdout] test src/floyd_warshall.rs - floyd_warshall::FloydWarshall::new (line 54) ... ok [INFO] [stdout] test src/floyd_warshall.rs - floyd_warshall::FloydWarshall::new_fully_customized (line 102) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "47de46f3ae8cf102e3cf5f34da22c460019d5b0fed130ae23f9cf7b98994a9ef"` [INFO] running `"docker" "rm" "-f" "47de46f3ae8cf102e3cf5f34da22c460019d5b0fed130ae23f9cf7b98994a9ef"` [INFO] [stdout] 47de46f3ae8cf102e3cf5f34da22c460019d5b0fed130ae23f9cf7b98994a9ef