[INFO] fetching crate exact-float 0.1.1...
[INFO] checking exact-float-0.1.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate exact-float 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate exact-float 0.1.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2050c52396fda43de3d293c7a1df95730700f4dc317404f38b79799092c98f21
[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" "2050c52396fda43de3d293c7a1df95730700f4dc317404f38b79799092c98f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2050c52396fda43de3d293c7a1df95730700f4dc317404f38b79799092c98f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2050c52396fda43de3d293c7a1df95730700f4dc317404f38b79799092c98f21", kill_on_drop: false }`
[INFO] [stdout] 2050c52396fda43de3d293c7a1df95730700f4dc317404f38b79799092c98f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaead8a97b28e086e31ffc49c24049f79a179afb4d8a99bec2a6d5ce2f69a5be
[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" "eaead8a97b28e086e31ffc49c24049f79a179afb4d8a99bec2a6d5ce2f69a5be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[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[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 are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::num::dec2flt::rawfp::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::Float;
[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 are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::num::dec2flt::rawfp::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exact-float`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::num::dec2flt::rawfp::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::Float;
[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 are implemented but not in scope; perhaps add a `use` for one of them:
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::num::dec2flt::rawfp::RawFloat;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::traits::float::FloatCore;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use num::Float;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eaead8a97b28e086e31ffc49c24049f79a179afb4d8a99bec2a6d5ce2f69a5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaead8a97b28e086e31ffc49c24049f79a179afb4d8a99bec2a6d5ce2f69a5be", kill_on_drop: false }`
[INFO] [stdout] eaead8a97b28e086e31ffc49c24049f79a179afb4d8a99bec2a6d5ce2f69a5be