[INFO] fetching crate float_extras 0.1.6...
[INFO] testing float_extras-0.1.6 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate float_extras 0.1.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate float_extras 0.1.6 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate float_extras 0.1.6
[INFO] finished tweaking crates.io crate float_extras 0.1.6
[INFO] tweaked toml for crates.io crate float_extras 0.1.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3155608f3d91b69c756df8878eba86b1b761d43208f2e970809502b46fd14e1f
[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" "3155608f3d91b69c756df8878eba86b1b761d43208f2e970809502b46fd14e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3155608f3d91b69c756df8878eba86b1b761d43208f2e970809502b46fd14e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3155608f3d91b69c756df8878eba86b1b761d43208f2e970809502b46fd14e1f", kill_on_drop: false }`
[INFO] [stdout] 3155608f3d91b69c756df8878eba86b1b761d43208f2e970809502b46fd14e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0800d1ffda347a26f6edf9a8842ed5781f521ae84e222c4cedc31ae29ca4b9c3
[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" "0800d1ffda347a26f6edf9a8842ed5781f521ae84e222c4cedc31ae29ca4b9c3", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling float_extras v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |       #[link_name = "m"]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  | /     extern "C" {
[INFO] [stdout] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stdout] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stdout] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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 a future release!
[INFO] [stdout] help: try `#[link(name = "m")]` instead
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     #[link_name = "m"]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0800d1ffda347a26f6edf9a8842ed5781f521ae84e222c4cedc31ae29ca4b9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0800d1ffda347a26f6edf9a8842ed5781f521ae84e222c4cedc31ae29ca4b9c3", kill_on_drop: false }`
[INFO] [stdout] 0800d1ffda347a26f6edf9a8842ed5781f521ae84e222c4cedc31ae29ca4b9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ab81dd9ab0b07e02e3b543a5fbfa4818e74b51dbec1b2c07374e054bed1b06
[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" "b5ab81dd9ab0b07e02e3b543a5fbfa4818e74b51dbec1b2c07374e054bed1b06", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling float_extras v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |       #[link_name = "m"]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  | /     extern "C" {
[INFO] [stdout] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stdout] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stdout] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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 a future release!
[INFO] [stdout] help: try `#[link(name = "m")]` instead
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     #[link_name = "m"]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |       #[link_name = "m"]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  | /     extern "C" {
[INFO] [stdout] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stdout] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stdout] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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 a future release!
[INFO] [stdout] help: try `#[link(name = "m")]` instead
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     #[link_name = "m"]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5ab81dd9ab0b07e02e3b543a5fbfa4818e74b51dbec1b2c07374e054bed1b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ab81dd9ab0b07e02e3b543a5fbfa4818e74b51dbec1b2c07374e054bed1b06", kill_on_drop: false }`
[INFO] [stdout] b5ab81dd9ab0b07e02e3b543a5fbfa4818e74b51dbec1b2c07374e054bed1b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66a806584ca30d5da60f66275601a8e6bee2107b57d00506c27032909e1f2747
[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" "66a806584ca30d5da60f66275601a8e6bee2107b57d00506c27032909e1f2747", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: attribute should be applied to a foreign function or static
[INFO] [stderr]   --> src/lib.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  |       #[link_name = "m"]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 8  | /     extern "C" {
[INFO] [stderr] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stderr] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stderr] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____- not a foreign function or static
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] help: try `#[link(name = "m")]` instead
[INFO] [stderr]   --> src/lib.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  |     #[link_name = "m"]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: attribute should be applied to a foreign function or static
[INFO] [stderr]   --> src/lib.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  |       #[link_name = "m"]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 8  | /     extern "C" {
[INFO] [stderr] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stderr] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stderr] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____- not a foreign function or static
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] help: try `#[link(name = "m")]` instead
[INFO] [stderr]   --> src/lib.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  |     #[link_name = "m"]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/float_extras-89500df8b3a2b995)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests float_extras
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66a806584ca30d5da60f66275601a8e6bee2107b57d00506c27032909e1f2747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a806584ca30d5da60f66275601a8e6bee2107b57d00506c27032909e1f2747", kill_on_drop: false }`
[INFO] [stdout] 66a806584ca30d5da60f66275601a8e6bee2107b57d00506c27032909e1f2747