[INFO] cloning repository https://github.com/lukeasrodgers/rust-mio-toy-tcp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeasrodgers/rust-mio-toy-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-mio-toy-tcp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-mio-toy-tcp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4630a7dc2e757de85dc2a835f46dc281dace818
[INFO] checking lukeasrodgers/rust-mio-toy-tcp-server against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeasrodgers%2Frust-mio-toy-tcp-server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukeasrodgers/rust-mio-toy-tcp-server on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukeasrodgers/rust-mio-toy-tcp-server
[INFO] finished tweaking git repo https://github.com/lukeasrodgers/rust-mio-toy-tcp-server
[INFO] tweaked toml for git repo https://github.com/lukeasrodgers/rust-mio-toy-tcp-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lukeasrodgers/rust-mio-toy-tcp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.1.7
[INFO] [stderr]   Downloaded log v0.2.4
[INFO] [stderr]   Downloaded time v0.1.17
[INFO] [stderr]   Downloaded nix v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d1cb889cd372584d1a13c66114f6d96f89909a165228f6cf281af9443ff5e4
[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" "76d1cb889cd372584d1a13c66114f6d96f89909a165228f6cf281af9443ff5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d1cb889cd372584d1a13c66114f6d96f89909a165228f6cf281af9443ff5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d1cb889cd372584d1a13c66114f6d96f89909a165228f6cf281af9443ff5e4", kill_on_drop: false }`
[INFO] [stdout] 76d1cb889cd372584d1a13c66114f6d96f89909a165228f6cf281af9443ff5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0195bb9ff7cd05e4a0a189d0df24aea67580aae733d750c8b63e50d412cc8487
[INFO] running `Command { std: "docker" "start" "-a" "0195bb9ff7cd05e4a0a189d0df24aea67580aae733d750c8b63e50d412cc8487", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.1.7
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking libc v0.1.2
[INFO] [stderr]     Checking log v0.2.4
[INFO] [stderr]     Checking bytes v0.1.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(alloc, core, io, unsafe_no_drop_flag)]
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `"std"`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.1.2/rust/src/liblibc/lib.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(feature = "cargo-build")] extern crate "std" as core;
[INFO] [stdout]    |                                              ^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::old_io::process::InheritFd;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::old_io::Command;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::getenv`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use std::os::getenv;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ no `getenv` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:104:14
[INFO] [stdout]     |
[INFO] [stdout] 104 |         std::old_io::fs::mkdir_recursive(&obj.dir_path(), std::old_io::USER_RWX).unwrap();
[INFO] [stdout]     |              ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:104:64
[INFO] [stdout]     |
[INFO] [stdout] 104 |         std::old_io::fs::mkdir_recursive(&obj.dir_path(), std::old_io::USER_RWX).unwrap();
[INFO] [stdout]     |                                                                ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub include_directories: Vec<Path>,
[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[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub objects: Vec<Path>,
[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/gcc-0.1.7/src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let src = Path::new(getenv("CARGO_MANIFEST_DIR").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[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let dst = Path::new(getenv("OUT_DIR").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[E0425]: cannot find function, tuple struct or tuple variant `InheritFd` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let status = match cmd.stdout(InheritFd(1)).stderr(InheritFd(2)).status() {
[INFO] [stdout]     |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `InheritFd` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:120:56
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let status = match cmd.stdout(InheritFd(1)).stderr(InheritFd(2)).status() {
[INFO] [stdout]     |                                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `InheritFd` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |         .stderr(InheritFd(2))
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: malformed `unstable` attribute input
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![unstable]
[INFO] [stdout]   | ^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rt::heap`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/alloc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rt::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `heap` in `rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/alloc.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |         use std::raw::Slice;
[INFO] [stdout]    |                  ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::UnsignedInt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/byte_buf.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::UnsignedInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `UnsignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::slice::bytes`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/byte_str.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         use std::slice::bytes;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ no `bytes` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/bytes.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::raw::TraitObject;
[INFO] [stdout]   |          ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::nonzero`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/bytes.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::nonzero::NonZero;
[INFO] [stdout]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::UnsignedInt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/ring.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::UnsignedInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `UnsignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rt::heap`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/ring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rt::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `heap` in `rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |             include_directories: Vec::new(),
[INFO] [stdout]    |                                  ^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/bytes.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[unsafe_no_drop_flag]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_nonoverlapping_memory` in module `ptr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/byte_buf.rs:93:18
[INFO] [stdout]      |
[INFO] [stdout] 93   |             ptr::copy_nonoverlapping_memory(
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `copy_nonoverlapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_nonoverlapping_memory` in module `ptr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/byte_buf.rs:246:18
[INFO] [stdout]      |
[INFO] [stdout] 246  |             ptr::copy_nonoverlapping_memory(
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `copy_nonoverlapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_memory` in module `ptr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/ring.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 ptr::copy_memory(ret.ptr, self.ptr as *const u8, to % self.cap);
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_memory` in module `ptr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/ring.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |             ptr::copy_memory(
[INFO] [stdout]     |                  ^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_nonoverlapping_memory` in module `ptr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:78:22
[INFO] [stdout]      |
[INFO] [stdout] 78   |                 ptr::copy_nonoverlapping_memory(
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `copy_nonoverlapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_nonoverlapping_memory` in module `ptr`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:160:22
[INFO] [stdout]      |
[INFO] [stdout] 160  |                 ptr::copy_nonoverlapping_memory(
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `copy_nonoverlapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `at_exit` in module `rt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.4/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[E0734]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![unstable]
[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-0.2.4/src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | use std::rt;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(rt)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut cmd = Command::new(gcc(target.as_slice()));
[INFO] [stdout]    |                                           ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 65 |     if target.as_slice().contains("-ios") {
[INFO] [stdout]    |               ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |         cmd.args(ios_flags(target.as_slice()).as_slice());
[INFO] [stdout]    |                                   ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if target.as_slice().contains("i686") {
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         } else if target.as_slice().contains("x86_64") {
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if !target.as_slice().contains("i686") {
[INFO] [stdout]    |                    ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |     run(Command::new(ar(target.as_slice())).arg("crus")
[INFO] [stdout]     |                                ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `BufError: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.1.2/src/lib.rs:402:10
[INFO] [stdout]     |
[INFO] [stdout] 402 | #[derive(Copy, Debug)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `BufError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |              dst.display(), output.slice(3, output.len() - 2));
[INFO] [stdout]     |                                    ^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0432, E0557, E0734.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:140:57
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let res = getenv(format!("{}_{}", var_base, target).as_slice())
[INFO] [stdout]     |                                                         ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:141:65
[INFO] [stdout]     |
[INFO] [stdout] 141 |         .or_else(|| getenv(format!("{}_{}", var_base, target_u).as_slice()))
[INFO] [stdout]     |                                                                 ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:142:61
[INFO] [stdout]     |
[INFO] [stdout] 142 |         .or_else(|| getenv(format!("{}_{}", kind, var_base).as_slice()))
[INFO] [stdout]     |                                                             ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_str` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:152:29
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let is_android = target.find_str("android").is_some();
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_str` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let is_android = target.find_str("android").is_some();
[INFO] [stdout]     |                             ^^^^^^^^ method not found 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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.1.7/src/lib.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |        .as_slice().words().map(|s| s.to_string())
[INFO] [stdout]     |         ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0195bb9ff7cd05e4a0a189d0df24aea67580aae733d750c8b63e50d412cc8487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0195bb9ff7cd05e4a0a189d0df24aea67580aae733d750c8b63e50d412cc8487", kill_on_drop: false }`
[INFO] [stdout] 0195bb9ff7cd05e4a0a189d0df24aea67580aae733d750c8b63e50d412cc8487