[INFO] cloning repository https://github.com/zhuowei/Brainlift
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhuowei/Brainlift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1248ea92b3516d848b7bb77a247f1026dcfcc3e7
[INFO] checking zhuowei/Brainlift against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuowei%2FBrainlift" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhuowei/Brainlift on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zhuowei/Brainlift
[INFO] finished tweaking git repo https://github.com/zhuowei/Brainlift
[INFO] tweaked toml for git repo https://github.com/zhuowei/Brainlift written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zhuowei/Brainlift already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe49b4ecd34b98e92b72beba930411c6cfd0edd20b5d96106ac0f767a8c47989
[INFO] running `"docker" "start" "-a" "fe49b4ecd34b98e92b72beba930411c6cfd0edd20b5d96106ac0f767a8c47989"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling cranelift-entity v0.37.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking cranelift-bforest v0.37.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.37.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.37.0/src/gen_encodings.rs:1029:27
[INFO] [stderr]      |
[INFO] [stderr] 1029 |                 let l2l = (level2.hash_table_len.unwrap() as f64).log2() as i32;
[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/cranelift-codegen-meta-0.37.0/src/constant_hash.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let size = (1.20 * num_items as f64) as usize;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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] error: could not compile `cranelift-codegen-meta`.
[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" "fe49b4ecd34b98e92b72beba930411c6cfd0edd20b5d96106ac0f767a8c47989"`
[INFO] running `"docker" "rm" "-f" "fe49b4ecd34b98e92b72beba930411c6cfd0edd20b5d96106ac0f767a8c47989"`
[INFO] [stdout] fe49b4ecd34b98e92b72beba930411c6cfd0edd20b5d96106ac0f767a8c47989