[INFO] fetching crate mutiny 0.2.0...
[INFO] testing mutiny-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mutiny 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mutiny 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutiny 0.2.0
[INFO] finished tweaking crates.io crate mutiny 0.2.0
[INFO] tweaked toml for crates.io crate mutiny 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 0dbc2605c0255a4370225828e11ad2b210195fc0278bc139e41b5531e35b7f1e
[INFO] running `Command { std: "docker" "start" "-a" "0dbc2605c0255a4370225828e11ad2b210195fc0278bc139e41b5531e35b7f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dbc2605c0255a4370225828e11ad2b210195fc0278bc139e41b5531e35b7f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbc2605c0255a4370225828e11ad2b210195fc0278bc139e41b5531e35b7f1e", kill_on_drop: false }`
[INFO] [stdout] 0dbc2605c0255a4370225828e11ad2b210195fc0278bc139e41b5531e35b7f1e
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c87109e21036a72f0d45a5ee8e7ef789cb038960fb69a1763e5334d56b4e5d1
[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" "4c87109e21036a72f0d45a5ee8e7ef789cb038960fb69a1763e5334d56b4e5d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.2.5
[INFO] [stderr]    Compiling psutil v0.2.0
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |             |&: c: char| c == '\0' || c == ' ');
[INFO] [stdout]     |               ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::fs`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::fs;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `fs` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::File`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoError`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::IoError;
[INFO] [stdout]   |     ^^^^^^^^^-------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `Error`
[INFO] [stdout]   |     no `IoError` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoErrorKind`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::IoErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^-----------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `ErrorKind`
[INFO] [stdout]   |     no `IoErrorKind` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::IoResult;
[INFO] [stdout]   |     ^^^^^^^^^--------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `Result`
[INFO] [stdout]   |     no `IoResult` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::StrExt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::StrExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::fs`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/system.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::fs::File;
[INFO] [stdout]   |              ^^ could not find `fs` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::StrExt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/system.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::StrExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `derive`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Copy,Show)]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `derive`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Show)]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[experimental]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let path = Path::new(format!("/proc/{}/{}", pid, name));
[INFO] [stdout]    |                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 |     for path in fs::readdir(&Path::new("/proc")).unwrap().iter() {
[INFO] [stdout]     |                              ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 3   | use std::path::Path;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/system.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let data = File::open(&Path::new("/proc/uptime")).read_to_string().unwrap();
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         match FromStr::from_str(path.filename_str().unwrap()) {
[INFO] [stdout]     |               ----------------------------------------------- this expression has type `Result<_, _>`
[INFO] [stdout] 145 |             Some(pid) => { processes.push(Process::new(pid).unwrap()) },
[INFO] [stdout]     |             ^^^^^^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, _>`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/psutil-0.2.0/src/process.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         match FromStr::from_str(path.filename_str().unwrap()) {
[INFO] [stdout]     |               ----------------------------------------------- this expression has type `Result<_, _>`
[INFO] [stdout] 145 |             Some(pid) => { processes.push(Process::new(pid).unwrap()) },
[INFO] [stdout] 146 |             None      => ()
[INFO] [stdout]     |             ^^^^ expected enum `Result`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, _>`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `psutil`
[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[E0425]: cannot find function `at_exit` in module `rt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.5/src/lib.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |     rt::at_exit(|| {
[INFO] [stdout]     |         ^^^^^^^ not found in `rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.5/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(core, std_misc)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rt': this public module should not exist and is highly likely to disappear
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.5/src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | use std::rt;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4c87109e21036a72f0d45a5ee8e7ef789cb038960fb69a1763e5334d56b4e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c87109e21036a72f0d45a5ee8e7ef789cb038960fb69a1763e5334d56b4e5d1", kill_on_drop: false }`
[INFO] [stdout] 4c87109e21036a72f0d45a5ee8e7ef789cb038960fb69a1763e5334d56b4e5d1
