[INFO] fetching crate pallet-im-online 2.0.0-alpha.6...
[INFO] checking pallet-im-online-2.0.0-alpha.6 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate pallet-im-online 2.0.0-alpha.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pallet-im-online 2.0.0-alpha.6 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-im-online 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate pallet-im-online 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate pallet-im-online 2.0.0-alpha.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef6ce6866dbf430f874cbc6023b1a51a2803ffaddee59f9e41882055450b0c85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef6ce6866dbf430f874cbc6023b1a51a2803ffaddee59f9e41882055450b0c85"`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.12.0/build/main.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let first2: u32 = (highest as f64).log(2.0).round() as u32 + 1;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.12.0/build/main.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let first10: u32 = (highest as f64).log(10.0) as u32 + 1;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking proc-macro-nested v0.1.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr] error: could not compile `typenum`.
[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] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num_cpus-1.13.0/src/linux.rs:206:14
[INFO] [stderr]     |
[INFO] [stderr] 206 |         Some((quota_us as f64 / period_us as f64).ceil() as usize)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `num_cpus`.
[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] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/cos.rs:53:16
[INFO] [stderr]    |
[INFO] [stderr] 53 |             if x as i32 == 0 {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/exp.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             k = (INVLN2 * x + HALF[sign as usize]) as i32;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/exp10.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |             return P10[((n as isize) + 15) as usize];
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/exp10.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         return y * P10[((n as isize) + 15) as usize];
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/exp10f.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |             return P10[((n as isize) + 7) as usize];
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/exp10f.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         return y * P10[((n as isize) + 7) as usize];
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/expf.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |             k = (INV_LN2 * x + HALF[sign as usize]) as i32;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/expm1.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             k = (INVLN2 * x + if sign != 0 { -0.5 } else { 0.5 }) as i32;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/expm1f.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |             k = (INV_LN2 * x + (if sign { -0.5 } else { 0.5 })) as i32;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/lgamma_r.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |     n = (x * 4.0) as i32;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/lgamma_r.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |         i = x as i32;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/lgammaf_r.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     n = (x * 4.0) as isize;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/lgammaf_r.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         i = x as i32;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/tgamma.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     n = (4.0 * x) as isize;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/tgamma.rs:160:25
[INFO] [stderr]     |
[INFO] [stderr] 160 |             return FACT[(x as usize) - 1];
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |         tx[i] = z as i32 as f64;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let n = f_n as i32;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:285:18
[INFO] [stderr]     |
[INFO] [stderr] 285 |             fw = (x1p_24 * z) as i32 as f64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:286:35
[INFO] [stderr]     |
[INFO] [stderr] 286 |             i!(iq, i as usize, =, (z - x1p24 * fw) as i32);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |         n = z as i32;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:387:18
[INFO] [stderr]     |
[INFO] [stderr] 387 |             fw = (x1p_24 * z) as i32 as f64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:388:27
[INFO] [stderr]     |
[INFO] [stderr] 388 |             i!(iq, jz, =, (z - x1p24 * fw) as i32);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:391:27
[INFO] [stderr]     |
[INFO] [stderr] 391 |             i!(iq, jz, =, fw as i32);
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2_large.rs:393:27
[INFO] [stderr]     |
[INFO] [stderr] 393 |             i!(iq, jz, =, z as i32);
[INFO] [stderr]     |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libm-0.2.1/src/math/rem_pio2f.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |         return (f_n as i32, x64 - f_n * PIO2_1 - f_n * PIO2_1T);
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 25 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `libm`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ef6ce6866dbf430f874cbc6023b1a51a2803ffaddee59f9e41882055450b0c85"`
[INFO] running `"docker" "rm" "-f" "ef6ce6866dbf430f874cbc6023b1a51a2803ffaddee59f9e41882055450b0c85"`
[INFO] [stdout] ef6ce6866dbf430f874cbc6023b1a51a2803ffaddee59f9e41882055450b0c85