[INFO] cloning repository https://github.com/jopalach/legato
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jopalach/legato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjopalach%2Flegato", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjopalach%2Flegato'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746ceda042853f9a4b8a5d7b273ced4a2b9a76a1
[INFO] testing jopalach/legato against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjopalach%2Flegato" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jopalach/legato on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-113/source/Cargo.toml
[INFO] crate git repo https://github.com/jopalach/legato already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9c1c7a3d16d56a0deef791aa9ee5e708962d337ff46f1db0128a4924ae4bc5d
[INFO] running `Command { std: "docker" "start" "-a" "e9c1c7a3d16d56a0deef791aa9ee5e708962d337ff46f1db0128a4924ae4bc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c1c7a3d16d56a0deef791aa9ee5e708962d337ff46f1db0128a4924ae4bc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c1c7a3d16d56a0deef791aa9ee5e708962d337ff46f1db0128a4924ae4bc5d", kill_on_drop: false }`
[INFO] [stdout] e9c1c7a3d16d56a0deef791aa9ee5e708962d337ff46f1db0128a4924ae4bc5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 000ce681a2fc18f40fa4d8cdbea166e3b9ad824496a1000bb5dd22ee0768b9b3
[INFO] running `Command { std: "docker" "start" "-a" "000ce681a2fc18f40fa4d8cdbea166e3b9ad824496a1000bb5dd22ee0768b9b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling legato v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::process`
[INFO] [stdout]  --> src/compiler/common.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::process::{ProcessOutput};
[INFO] [stdout]   |              ^^^^^^^ could not find `process` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> src/compiler/common.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{IoResult};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `IoResult` in `io`
[INFO] [stdout]   |               help: a similar name exists in the module: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::process`
[INFO] [stdout]  --> src/compiler/gcc.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::process::{Command, ProcessOutput};
[INFO] [stdout]   |              ^^^^^^^ could not find `process` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> src/compiler/gcc.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{IoResult};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `IoResult` in `io`
[INFO] [stdout]   |               help: a similar name exists in the module: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::StrExt`
[INFO] [stdout]  --> src/compiler/gcc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::StrExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/compiler/gcc.rs:26:50
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut compiler = Command::new(self.exe.as_slice());
[INFO] [stdout]    |                                                  ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for reference `&String` in the current scope
[INFO] [stdout]   --> src/compiler/gcc.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |             compiler.arg(arg.as_slice());
[INFO] [stdout]    |                              ^^^^^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `legato` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "000ce681a2fc18f40fa4d8cdbea166e3b9ad824496a1000bb5dd22ee0768b9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000ce681a2fc18f40fa4d8cdbea166e3b9ad824496a1000bb5dd22ee0768b9b3", kill_on_drop: false }`
[INFO] [stdout] 000ce681a2fc18f40fa4d8cdbea166e3b9ad824496a1000bb5dd22ee0768b9b3