[INFO] updating cached repository https://github.com/29rou/c-som
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d39c9291406cb5fff61b2a35e05bd192d0d5303
[INFO] testing 29rou/c-som against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F29rou%2Fc-som" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/29rou/c-som on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/29rou/c-som
[INFO] finished tweaking git repo https://github.com/29rou/c-som
[INFO] tweaked toml for git repo https://github.com/29rou/c-som written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/29rou/c-som already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 347f218255c1cfd339c487f59ea21386ba771f84957ed67e03a6dc029264656f
[INFO] running `"docker" "start" "-a" "347f218255c1cfd339c487f59ea21386ba771f84957ed67e03a6dc029264656f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling generic-array v0.11.0
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling c-som v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/generic_array_math.rs:14:62
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::{default::Default, fmt::Debug, marker::PhantomData, mem::uninitialized};
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/generic_array_math.rs:127:44
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut output: Self::Output = uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/generic_array_math.rs:145:44
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let mut output: Self::Output = uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/generic_array_math.rs:178:36
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let mut output: Self = uninitialized();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/generic_array_math.rs:197:44
[INFO] [stderr]     |
[INFO] [stderr] 197 |             let mut output: Self::Output = uninitialized();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `U0`, `U10000`, `U100`, `U16`, `U17`, `U1`, `U20`, `U2`, `U32`, `U3`, `U4`, `U5`, `U6`
[INFO] [stderr]  --> src/main.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use self::typenum::{U0, U1, U2, U3, U4, U5, U6, U10, U16, U17, U20, U32, U100, U10000};
[INFO] [stderr]   |                         ^^  ^^  ^^  ^^  ^^  ^^  ^^       ^^^  ^^^  ^^^  ^^^  ^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `c-som`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "347f218255c1cfd339c487f59ea21386ba771f84957ed67e03a6dc029264656f"`
[INFO] running `"docker" "rm" "-f" "347f218255c1cfd339c487f59ea21386ba771f84957ed67e03a6dc029264656f"`
[INFO] [stdout] 347f218255c1cfd339c487f59ea21386ba771f84957ed67e03a6dc029264656f