[INFO] fetching crate exact-float 0.1.1...
[INFO] checking exact-float-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate exact-float 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate exact-float 0.1.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exact-float 0.1.1
[INFO] finished tweaking crates.io crate exact-float 0.1.1
[INFO] tweaked toml for crates.io crate exact-float 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409385ab94432d0852c388a69c5a96f2e1637e187b50a160d5757dc5c8ba45e1
[INFO] running `Command { std: "docker" "start" "-a" "409385ab94432d0852c388a69c5a96f2e1637e187b50a160d5757dc5c8ba45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409385ab94432d0852c388a69c5a96f2e1637e187b50a160d5757dc5c8ba45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409385ab94432d0852c388a69c5a96f2e1637e187b50a160d5757dc5c8ba45e1", kill_on_drop: false }`
[INFO] [stdout] 409385ab94432d0852c388a69c5a96f2e1637e187b50a160d5757dc5c8ba45e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2466c449c128868bcd5729ac5d866dbfae326b46d17ee36a63b71f13f7ca2146
[INFO] running `Command { std: "docker" "start" "-a" "2466c449c128868bcd5729ac5d866dbfae326b46d17ee36a63b71f13f7ca2146", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking exact-float v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `float_extras`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_extras)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `float_extras`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_extras)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `integer_decode` found for type `f32` in the current scope
[INFO] [stdout]   --> src/lib.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (mantissa, exponent, sign) = self.integer_decode();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ method not found in `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following traits which provide `integer_decode` are implemented but not in scope; perhaps you want to import one of them
[INFO] [stdout]    |
[INFO] [stdout] 2  + use core::num::dec2flt::float::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `integer_decode` found for type `f32` in the current scope
[INFO] [stdout]   --> src/lib.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (mantissa, exponent, sign) = self.integer_decode();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ method not found in `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following traits which provide `integer_decode` are implemented but not in scope; perhaps you want to import one of them
[INFO] [stdout]    |
[INFO] [stdout] 2  + use core::num::dec2flt::float::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `integer_decode` found for type `f64` in the current scope
[INFO] [stdout]   --> src/lib.rs:73:47
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mantissa, exponent, sign) = self.integer_decode();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ method not found in `f64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following traits which provide `integer_decode` are implemented but not in scope; perhaps you want to import one of them
[INFO] [stdout]    |
[INFO] [stdout] 2  + use core::num::dec2flt::float::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `integer_decode` found for type `f64` in the current scope
[INFO] [stdout]   --> src/lib.rs:73:47
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mantissa, exponent, sign) = self.integer_decode();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ method not found in `f64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following traits which provide `integer_decode` are implemented but not in scope; perhaps you want to import one of them
[INFO] [stdout]    |
[INFO] [stdout] 2  + use core::num::dec2flt::float::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exact-float` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `exact-float` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2466c449c128868bcd5729ac5d866dbfae326b46d17ee36a63b71f13f7ca2146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2466c449c128868bcd5729ac5d866dbfae326b46d17ee36a63b71f13f7ca2146", kill_on_drop: false }`
[INFO] [stdout] 2466c449c128868bcd5729ac5d866dbfae326b46d17ee36a63b71f13f7ca2146
