[INFO] fetching crate floyd-warshall-alg 0.1.3... [INFO] testing floyd-warshall-alg-0.1.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate floyd-warshall-alg 0.1.3 into /workspace/builds/worker-61/source [INFO] validating manifest of crates.io crate floyd-warshall-alg 0.1.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate floyd-warshall-alg 0.1.3 [INFO] finished tweaking crates.io crate floyd-warshall-alg 0.1.3 [INFO] tweaked toml for crates.io crate floyd-warshall-alg 0.1.3 written to /workspace/builds/worker-61/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded safe-graph v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc2d0baaffe3942d2b5e896b477a3a69807e22fde967449a28f1e406824dc017 [INFO] running `Command { std: "docker" "start" "-a" "dc2d0baaffe3942d2b5e896b477a3a69807e22fde967449a28f1e406824dc017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc2d0baaffe3942d2b5e896b477a3a69807e22fde967449a28f1e406824dc017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc2d0baaffe3942d2b5e896b477a3a69807e22fde967449a28f1e406824dc017", kill_on_drop: false }` [INFO] [stdout] dc2d0baaffe3942d2b5e896b477a3a69807e22fde967449a28f1e406824dc017 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b6dcefbf7c86d912fa55c6b8ed8e4edf031ae81e748a178adca2818fd8c9194 [INFO] running `Command { std: "docker" "start" "-a" "9b6dcefbf7c86d912fa55c6b8ed8e4edf031ae81e748a178adca2818fd8c9194", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling safe-graph v0.1.6 [INFO] [stderr] Compiling floyd-warshall-alg v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:44:14 [INFO] [stdout] | [INFO] [stdout] 44 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:35 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:60 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:180:29 [INFO] [stdout] | [INFO] [stdout] 179 | ... let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 180 | ... next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 187 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 188 | next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.88s [INFO] running `Command { std: "docker" "inspect" "9b6dcefbf7c86d912fa55c6b8ed8e4edf031ae81e748a178adca2818fd8c9194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b6dcefbf7c86d912fa55c6b8ed8e4edf031ae81e748a178adca2818fd8c9194", kill_on_drop: false }` [INFO] [stdout] 9b6dcefbf7c86d912fa55c6b8ed8e4edf031ae81e748a178adca2818fd8c9194 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1b7a6e10685d0e3db13a2ddeaf2cb88a74da088ac8a390b744a958cf6e908d7 [INFO] running `Command { std: "docker" "start" "-a" "e1b7a6e10685d0e3db13a2ddeaf2cb88a74da088ac8a390b744a958cf6e908d7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:44:14 [INFO] [stdout] | [INFO] [stdout] 44 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:35 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:60 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:180:29 [INFO] [stdout] | [INFO] [stdout] 179 | ... let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 180 | ... next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 187 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 188 | next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling floyd-warshall-alg v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:44:14 [INFO] [stdout] | [INFO] [stdout] 44 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:35 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:88:60 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new_customized(op: Box F>, cmp: Box bool>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | op: Box F>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/floyd_warshall.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | cmp: Box bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(F, F) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:180:29 [INFO] [stdout] | [INFO] [stdout] 179 | ... let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 180 | ... next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `next` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/floyd_warshall.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 187 | let direction = next.edge_weight(i, k).unwrap(); [INFO] [stdout] | ---------------------- immutable borrow occurs here [INFO] [stdout] 188 | next.add_edge(i, j, *direction); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.40s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e1b7a6e10685d0e3db13a2ddeaf2cb88a74da088ac8a390b744a958cf6e908d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1b7a6e10685d0e3db13a2ddeaf2cb88a74da088ac8a390b744a958cf6e908d7", kill_on_drop: false }` [INFO] [stdout] e1b7a6e10685d0e3db13a2ddeaf2cb88a74da088ac8a390b744a958cf6e908d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 85a6ffcbd661f4d82f582e60e377afd3b2242f56314b806a4489276abe1f17c8 [INFO] running `Command { std: "docker" "start" "-a" "85a6ffcbd661f4d82f582e60e377afd3b2242f56314b806a4489276abe1f17c8", kill_on_drop: false }` [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] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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] | ^^^^^^^^^^^^^^^^^^^^----------^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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] warning: `floyd-warshall-alg` (lib) generated 8 warnings [INFO] [stderr] warning: `floyd-warshall-alg` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/floyd_warshall_alg-7897986eec73f5a8) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test floyd_warshall::tests::new_customized ... ok [INFO] [stdout] test floyd_warshall::tests::new_fully_customized ... ok [INFO] [stdout] test floyd_warshall::tests::new ... ok [INFO] [stdout] test result::tests::collect_path_nodes ... ok [INFO] [stdout] test result::tests::get_path_rate ... ok [INFO] [stdout] test floyd_warshall::tests::find_paths ... ok [INFO] [stdout] test result::tests::new ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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 (line 54) ... 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_customized (line 79) ... 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; finished in 0.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "85a6ffcbd661f4d82f582e60e377afd3b2242f56314b806a4489276abe1f17c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85a6ffcbd661f4d82f582e60e377afd3b2242f56314b806a4489276abe1f17c8", kill_on_drop: false }` [INFO] [stdout] 85a6ffcbd661f4d82f582e60e377afd3b2242f56314b806a4489276abe1f17c8