[INFO] fetching crate float_extras 0.1.6...
[INFO] testing float_extras-0.1.6 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate float_extras 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate float_extras 0.1.6 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06662aab224190c21f9bec3b183c62ab098f3044e96d950b4bb9252520d7b77c
[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" "06662aab224190c21f9bec3b183c62ab098f3044e96d950b4bb9252520d7b77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06662aab224190c21f9bec3b183c62ab098f3044e96d950b4bb9252520d7b77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06662aab224190c21f9bec3b183c62ab098f3044e96d950b4bb9252520d7b77c", kill_on_drop: false }`
[INFO] [stdout] 06662aab224190c21f9bec3b183c62ab098f3044e96d950b4bb9252520d7b77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", 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] 353324fa6fd67c6d42012fd56a29c96b1d8329ca388c00eedd1f1f7104ba074a
[INFO] running `Command { std: "docker" "start" "-a" "353324fa6fd67c6d42012fd56a29c96b1d8329ca388c00eedd1f1f7104ba074a", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "353324fa6fd67c6d42012fd56a29c96b1d8329ca388c00eedd1f1f7104ba074a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353324fa6fd67c6d42012fd56a29c96b1d8329ca388c00eedd1f1f7104ba074a", kill_on_drop: false }`
[INFO] [stdout] 353324fa6fd67c6d42012fd56a29c96b1d8329ca388c00eedd1f1f7104ba074a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", 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] c129067fd40b77cc3c7bf639a72871d9d5f030d1e8e371f07a55a88e9e6c43be
[INFO] running `Command { std: "docker" "start" "-a" "c129067fd40b77cc3c7bf639a72871d9d5f030d1e8e371f07a55a88e9e6c43be", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "c129067fd40b77cc3c7bf639a72871d9d5f030d1e8e371f07a55a88e9e6c43be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c129067fd40b77cc3c7bf639a72871d9d5f030d1e8e371f07a55a88e9e6c43be", kill_on_drop: false }`
[INFO] [stdout] c129067fd40b77cc3c7bf639a72871d9d5f030d1e8e371f07a55a88e9e6c43be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] 5ae5d6999c258555c48c14f00d5224d8b71485e482bd9ef91c70e7590adbc37c
[INFO] running `Command { std: "docker" "start" "-a" "5ae5d6999c258555c48c14f00d5224d8b71485e482bd9ef91c70e7590adbc37c", 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/float_extras-8c176d4f5c492d81)
[INFO] [stdout] 
[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 0.01s
[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" "5ae5d6999c258555c48c14f00d5224d8b71485e482bd9ef91c70e7590adbc37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae5d6999c258555c48c14f00d5224d8b71485e482bd9ef91c70e7590adbc37c", kill_on_drop: false }`
[INFO] [stdout] 5ae5d6999c258555c48c14f00d5224d8b71485e482bd9ef91c70e7590adbc37c