[INFO] cloning repository https://github.com/evvo/rust_playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evvo/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevvo%2Frust_playground"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevvo%2Frust_playground'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a672053ac79355242aa90f4d86fa6000c15a5e91
[INFO] checking evvo/rust_playground against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevvo%2Frust_playground" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evvo/rust_playground 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/evvo/rust_playground
[INFO] finished tweaking git repo https://github.com/evvo/rust_playground
[INFO] tweaked toml for git repo https://github.com/evvo/rust_playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/evvo/rust_playground already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1b79e36f149e58d2d85573d27222882f67f5b17cf05fe6f58df8dd5784b93392
[INFO] running `"docker" "start" "-a" "1b79e36f149e58d2d85573d27222882f67f5b17cf05fe6f58df8dd5784b93392"`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]    Compiling serde v1.0.53
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling pear v0.0.16
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.2/src/diyfp.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |       let mut k = dk as isize;
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.2/src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  | /         dtoa! {
[INFO] [stderr] 28  | |             floating_type: f32,
[INFO] [stderr] 29  | |             significand_type: u32,
[INFO] [stderr] 30  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 41  | |             min_power: (-36),
[INFO] [stderr] 42  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.2/src/diyfp.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |       let mut k = dk as isize;
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.2/src/lib.rs:49:9
[INFO] [stderr]     |
[INFO] [stderr] 49  | /         dtoa! {
[INFO] [stderr] 50  | |             floating_type: f64,
[INFO] [stderr] 51  | |             significand_type: u64,
[INFO] [stderr] 52  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 63  | |             min_power: (-348),
[INFO] [stderr] 64  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `dtoa`.
[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" "1b79e36f149e58d2d85573d27222882f67f5b17cf05fe6f58df8dd5784b93392"`
[INFO] running `"docker" "rm" "-f" "1b79e36f149e58d2d85573d27222882f67f5b17cf05fe6f58df8dd5784b93392"`
[INFO] [stdout] 1b79e36f149e58d2d85573d27222882f67f5b17cf05fe6f58df8dd5784b93392