[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] checking jopalach/legato against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjopalach%2Flegato" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jopalach/legato on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a4500d9ad1adb5236b604d191b0f92731b1d2206e625b0a99cc55db5fded11e
[INFO] running `Command { std: "docker" "start" "-a" "0a4500d9ad1adb5236b604d191b0f92731b1d2206e625b0a99cc55db5fded11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a4500d9ad1adb5236b604d191b0f92731b1d2206e625b0a99cc55db5fded11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4500d9ad1adb5236b604d191b0f92731b1d2206e625b0a99cc55db5fded11e", kill_on_drop: false }`
[INFO] [stdout] 0a4500d9ad1adb5236b604d191b0f92731b1d2206e625b0a99cc55db5fded11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775a4e353ee52fbd0c3c6146132d7f4bb5144d6997d9d8a0c2531094f72aed7b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "775a4e353ee52fbd0c3c6146132d7f4bb5144d6997d9d8a0c2531094f72aed7b", kill_on_drop: false }`
[INFO] [stderr]     Checking 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[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`.
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "775a4e353ee52fbd0c3c6146132d7f4bb5144d6997d9d8a0c2531094f72aed7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775a4e353ee52fbd0c3c6146132d7f4bb5144d6997d9d8a0c2531094f72aed7b", kill_on_drop: false }`
[INFO] [stdout] 775a4e353ee52fbd0c3c6146132d7f4bb5144d6997d9d8a0c2531094f72aed7b
