[INFO] updating cached repository https://github.com/jopalach/legato
[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] 746ceda042853f9a4b8a5d7b273ced4a2b9a76a1
[INFO] testing jopalach/legato against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjopalach%2Flegato" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jopalach/legato on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jopalach/legato
[INFO] finished tweaking git repo https://github.com/jopalach/legato
[INFO] tweaked toml for git repo https://github.com/jopalach/legato written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jopalach/legato already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "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] f42b1085d6ab4fca5e906e5778864b01b1f9e82dcc3173fa5694086f90bcb3d2
[INFO] running `"docker" "start" "-a" "f42b1085d6ab4fca5e906e5778864b01b1f9e82dcc3173fa5694086f90bcb3d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling legato v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::process`
[INFO] [stderr]  --> src/compiler/common.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::process::{ProcessOutput};
[INFO] [stderr]   |              ^^^^^^^ could not find `process` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stderr]  --> src/compiler/common.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{IoResult};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `IoResult` in `io`
[INFO] [stderr]   |               help: a similar name exists in the module: `Result`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::process`
[INFO] [stderr]  --> src/compiler/gcc.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::process::{Command, ProcessOutput};
[INFO] [stderr]   |              ^^^^^^^ could not find `process` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stderr]  --> src/compiler/gcc.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{IoResult};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `IoResult` in `io`
[INFO] [stderr]   |               help: a similar name exists in the module: `Result`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::str::StrExt`
[INFO] [stderr]  --> src/compiler/gcc.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::StrExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/compiler/gcc.rs:26:50
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut compiler = Command::new(self.exe.as_slice());
[INFO] [stderr]    |                                                  ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&std::string::String` in the current scope
[INFO] [stderr]   --> src/compiler/gcc.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |             compiler.arg(arg.as_slice());
[INFO] [stderr]    |                              ^^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `legato`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f42b1085d6ab4fca5e906e5778864b01b1f9e82dcc3173fa5694086f90bcb3d2"`
[INFO] running `"docker" "rm" "-f" "f42b1085d6ab4fca5e906e5778864b01b1f9e82dcc3173fa5694086f90bcb3d2"`
[INFO] [stdout] f42b1085d6ab4fca5e906e5778864b01b1f9e82dcc3173fa5694086f90bcb3d2