[INFO] fetching crate fixedpoint 0.1.2...
[INFO] checking fixedpoint-0.1.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fixedpoint 0.1.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate fixedpoint 0.1.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixedpoint 0.1.2
[INFO] finished tweaking crates.io crate fixedpoint 0.1.2
[INFO] tweaked toml for crates.io crate fixedpoint 0.1.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf036c41030f94307d2a090cb3b40e2ec71f39fd3441d1228a318fe2c1724a5
[INFO] running `Command { std: "docker" "start" "-a" "dbf036c41030f94307d2a090cb3b40e2ec71f39fd3441d1228a318fe2c1724a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf036c41030f94307d2a090cb3b40e2ec71f39fd3441d1228a318fe2c1724a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf036c41030f94307d2a090cb3b40e2ec71f39fd3441d1228a318fe2c1724a5", kill_on_drop: false }`
[INFO] [stdout] dbf036c41030f94307d2a090cb3b40e2ec71f39fd3441d1228a318fe2c1724a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93213cc46fda6e9b3da325e374fee60878e140303c659171c029357eeeaccf4
[INFO] running `Command { std: "docker" "start" "-a" "e93213cc46fda6e9b3da325e374fee60878e140303c659171c029357eeeaccf4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking fixedpoint v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn fixedpoint<T, U>(func: &Fn(U, &T) -> U, x0: U, args: &T, maxiter: Option<usize>, maxval: Option<U>) -> Result<U>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(U, &T) -> U`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn fixedpoint<T, U>(func: &Fn(U, &T) -> U, x0: U, args: &T, maxiter: Option<usize>, maxval: Option<U>) -> Result<U>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(U, &T) -> U`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "e93213cc46fda6e9b3da325e374fee60878e140303c659171c029357eeeaccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93213cc46fda6e9b3da325e374fee60878e140303c659171c029357eeeaccf4", kill_on_drop: false }`
[INFO] [stdout] e93213cc46fda6e9b3da325e374fee60878e140303c659171c029357eeeaccf4
