[INFO] fetching crate sl-na 0.0.0...
[INFO] checking sl-na-0.0.0 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate sl-na 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sl-na 0.0.0 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 755b75c92f362b6295fb095294e2fbb8fee8fb3d0030c741befa055fe3f183b6
[INFO] running `Command { std: "docker" "start" "-a" "755b75c92f362b6295fb095294e2fbb8fee8fb3d0030c741befa055fe3f183b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755b75c92f362b6295fb095294e2fbb8fee8fb3d0030c741befa055fe3f183b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755b75c92f362b6295fb095294e2fbb8fee8fb3d0030c741befa055fe3f183b6", kill_on_drop: false }`
[INFO] [stdout] 755b75c92f362b6295fb095294e2fbb8fee8fb3d0030c741befa055fe3f183b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aed68fbefb80697c52055027f912e800f09a55bf3b3d8481920e7da91d6bf07b
[INFO] running `Command { std: "docker" "start" "-a" "aed68fbefb80697c52055027f912e800f09a55bf3b3d8481920e7da91d6bf07b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[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]    |                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &dyn Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  +++
[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]    |                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &dyn Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          +++
[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]   |                 ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 +++
[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]   |                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          +++
[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]   |                                                       ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<dyn Fn(f64)->f64> {
[INFO] [stdout]   |                                                       +++
[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]   |                     ^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<dyn Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     +++
[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]   |          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<dyn Fn(f64)->f64>
[INFO] [stdout]   |          +++
[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]    |                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &dyn Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  +++
[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]    |                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &dyn Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          +++
[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]   |                 ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 +++
[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]   |                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          +++
[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]   |                                                       ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<dyn Fn(f64)->f64> {
[INFO] [stdout]   |                                                       +++
[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]   |                     ^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<dyn Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     +++
[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]   |          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<dyn Fn(f64)->f64>
[INFO] [stdout]   |          +++
[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 1.35s
[INFO] running `Command { std: "docker" "inspect" "aed68fbefb80697c52055027f912e800f09a55bf3b3d8481920e7da91d6bf07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed68fbefb80697c52055027f912e800f09a55bf3b3d8481920e7da91d6bf07b", kill_on_drop: false }`
[INFO] [stdout] aed68fbefb80697c52055027f912e800f09a55bf3b3d8481920e7da91d6bf07b