[INFO] fetching crate sl-na 0.0.0...
[INFO] checking sl-na-0.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate sl-na 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sl-na 0.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sl-na 0.0.0
[INFO] finished tweaking crates.io crate sl-na 0.0.0
[INFO] tweaked toml for crates.io crate sl-na 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53089075a5a4a2f99b10c9bf95d13fc3f2afb80828a992481ef6e4076b63a52
[INFO] running `Command { std: "docker" "start" "-a" "a53089075a5a4a2f99b10c9bf95d13fc3f2afb80828a992481ef6e4076b63a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53089075a5a4a2f99b10c9bf95d13fc3f2afb80828a992481ef6e4076b63a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53089075a5a4a2f99b10c9bf95d13fc3f2afb80828a992481ef6e4076b63a52", kill_on_drop: false }`
[INFO] [stdout] a53089075a5a4a2f99b10c9bf95d13fc3f2afb80828a992481ef6e4076b63a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900e68a8665b4f95cf0d147534d20700694268047077d8b6571c7f94e697941b
[INFO] running `Command { std: "docker" "start" "-a" "900e68a8665b4f95cf0d147534d20700694268047077d8b6571c7f94e697941b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking sl-na v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->c64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->c64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/interpolation.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<Fn(f64)->f64> {
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/interpolation.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<Fn(f64)->f64> {
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64,f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64,f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<Fn(f64)->f64>
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<Fn(f64)->f64>
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "900e68a8665b4f95cf0d147534d20700694268047077d8b6571c7f94e697941b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900e68a8665b4f95cf0d147534d20700694268047077d8b6571c7f94e697941b", kill_on_drop: false }`
[INFO] [stdout] 900e68a8665b4f95cf0d147534d20700694268047077d8b6571c7f94e697941b