[INFO] fetching crate nrfind 1.0.3... [INFO] checking nrfind-1.0.3 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate nrfind 1.0.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate nrfind 1.0.3 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nrfind 1.0.3 [INFO] finished tweaking crates.io crate nrfind 1.0.3 [INFO] tweaked toml for crates.io crate nrfind 1.0.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate nrfind 1.0.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded autocfg v0.1.6 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba7b8c7ca6fccc2838edd93ddb42e0bd8e1a2e49e0ae2bd9a70a51283181f327 [INFO] running `Command { std: "docker" "start" "-a" "ba7b8c7ca6fccc2838edd93ddb42e0bd8e1a2e49e0ae2bd9a70a51283181f327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba7b8c7ca6fccc2838edd93ddb42e0bd8e1a2e49e0ae2bd9a70a51283181f327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7b8c7ca6fccc2838edd93ddb42e0bd8e1a2e49e0ae2bd9a70a51283181f327", kill_on_drop: false }` [INFO] [stdout] ba7b8c7ca6fccc2838edd93ddb42e0bd8e1a2e49e0ae2bd9a70a51283181f327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f0d07ddd25b3ca88668bc8557eeda4b456addf6c2f4a7e287b0134bb8b73cd1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2f0d07ddd25b3ca88668bc8557eeda4b456addf6c2f4a7e287b0134bb8b73cd1", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking nrfind v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(N) -> N` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | ^^^^^ ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.47s [INFO] running `Command { std: "docker" "inspect" "2f0d07ddd25b3ca88668bc8557eeda4b456addf6c2f4a7e287b0134bb8b73cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0d07ddd25b3ca88668bc8557eeda4b456addf6c2f4a7e287b0134bb8b73cd1", kill_on_drop: false }` [INFO] [stdout] 2f0d07ddd25b3ca88668bc8557eeda4b456addf6c2f4a7e287b0134bb8b73cd1