[INFO] cloning repository https://github.com/johannesg/mandelbrot-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johannesg/mandelbrot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesg%2Fmandelbrot-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesg%2Fmandelbrot-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a55bd9a6adda09126a760c30cf62fc897fd6fb4c
[INFO] checking johannesg/mandelbrot-rust against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesg%2Fmandelbrot-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johannesg/mandelbrot-rust
[INFO] finished tweaking git repo https://github.com/johannesg/mandelbrot-rust
[INFO] tweaked toml for git repo https://github.com/johannesg/mandelbrot-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johannesg/mandelbrot-rust on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johannesg/mandelbrot-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/main.rs` was erroneously implicitly accepted for binary `mandel`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]     Updating bitflags v0.1.1 -> v0.6.0
[INFO] [stderr]       Adding chan v0.1.23
[INFO] [stderr]       Adding deranged v0.5.8
[INFO] [stderr]       Adding fuchsia-cprng v0.1.1
[INFO] [stderr]       Adding lazy_static v0.2.11
[INFO] [stderr]       Adding libc v0.2.185
[INFO] [stderr]       Adding num-conv v0.2.1
[INFO] [stderr]       Adding powerfmt v0.2.0
[INFO] [stderr]       Adding proc-macro2 v1.0.106
[INFO] [stderr]       Adding quote v1.0.45
[INFO] [stderr]       Adding rand v0.3.23
[INFO] [stderr]       Adding rand v0.4.6
[INFO] [stderr]       Adding rand_core v0.3.1
[INFO] [stderr]       Adding rand_core v0.4.2
[INFO] [stderr]       Adding rdrand v0.4.0
[INFO] [stderr]       Adding sdl2 v0.24.0 (available: v0.38.0)
[INFO] [stderr]       Adding sdl2-sys v0.24.0
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding syn v2.0.117
[INFO] [stderr]       Adding time v0.3.47
[INFO] [stderr]       Adding time-core v0.1.8
[INFO] [stderr]       Adding unicode-ident v1.0.24
[INFO] [stderr]       Adding winapi v0.3.9
[INFO] [stderr]       Adding winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]       Adding winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded num v0.1.16
[INFO] [stderr]   Downloaded rustc-serialize v0.3.6
[INFO] [stderr]   Downloaded sdl2-sys v0.24.0
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded bitflags v0.6.0
[INFO] [stderr]   Downloaded log v0.2.5
[INFO] [stderr]   Downloaded libc v0.1.3
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded rand v0.2.0
[INFO] [stderr]   Downloaded sdl2 v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 379020df2935af0849f3feeae9a62103825cbe08c75c0bf887453e412c39aeca
[INFO] running `Command { std: "docker" "start" "-a" "379020df2935af0849f3feeae9a62103825cbe08c75c0bf887453e412c39aeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "379020df2935af0849f3feeae9a62103825cbe08c75c0bf887453e412c39aeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379020df2935af0849f3feeae9a62103825cbe08c75c0bf887453e412c39aeca", kill_on_drop: false }`
[INFO] [stdout] 379020df2935af0849f3feeae9a62103825cbe08c75c0bf887453e412c39aeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb4a4a632de73b362684c45a49b68b78303751a4627ddff413725d5bdeb5a46
[INFO] running `Command { std: "docker" "start" "-a" "7eb4a4a632de73b362684c45a49b68b78303751a4627ddff413725d5bdeb5a46", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/main.rs` was erroneously implicitly accepted for binary `mandel`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking log v0.2.5
[INFO] [stderr]     Checking libc v0.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.24.0
[INFO] [stderr]     Checking rustc-serialize v0.3.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stdout] error: expected identifier, found `"std"`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.1.3/rust/src/liblibc/lib.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[cfg(feature = "cargo-build")] extern crate "std" as core;
[INFO] [stdout]    |                                              ^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[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/index.crates.io-1949cf8c6b5b557f/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[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/index.crates.io-1949cf8c6b5b557f/log-0.2.5/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]     = note: this compiler was built on 2026-04-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `std_misc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(core, std_misc)]
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/serialize.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString};
[INFO] [stdout]    |                ^^^^^^^ no `AsOsStr` in `ffi`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 18 - use std::ffi::{AsOsStr, OsString};
[INFO] [stdout] 18 + use std::ffi::{OsStr, OsString};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 | use std::num::{Float, Int};
[INFO] [stdout]     |                ^^^^^  ^^^ no `Int` in `num`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `Float` in `num`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             std::mem::type_info::Float
[INFO] [stdout]             std::mem::type_info::TypeKind::Float
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             std::mem::type_info::Int
[INFO] [stdout]             std::mem::type_info::TypeKind::Int
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log` (lib) due to 3 previous errors
[INFO] [stdout] error[E0405]: cannot find trait `FromError` in module `std::error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:414:18
[INFO] [stdout]     |
[INFO] [stdout] 414 | impl std::error::FromError<fmt::Error> for EncoderError {
[INFO] [stdout]     |                  ^^^^^^^^^ not found in `std::error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `std_misc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/lib.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(core, std_misc)]
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharacterSet: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Copy)]
[INFO] [stdout]    |          ---- in this derive macro expansion
[INFO] [stdout] 23 | pub enum CharacterSet {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the trait `Clone` is not implemented for `CharacterSet`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] help: consider annotating `CharacterSet` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 23 + #[derive(Clone)]
[INFO] [stdout] 24 | pub enum CharacterSet {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Newline: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Copy)]
[INFO] [stdout]    |          ---- in this derive macro expansion
[INFO] [stdout] 32 | pub enum Newline {
[INFO] [stdout]    |          ^^^^^^^ the trait `Clone` is not implemented for `Newline`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] help: consider annotating `Newline` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 32 + #[derive(Clone)]
[INFO] [stdout] 33 | pub enum Newline {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Config: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Copy)]
[INFO] [stdout]    |          ---- in this derive macro expansion
[INFO] [stdout] 41 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Clone` is not implemented for `Config`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Config {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromBase64Error: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/base64.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[derive(Copy)]
[INFO] [stdout]     |          ---- in this derive macro expansion
[INFO] [stdout] 181 | pub enum FromBase64Error {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `FromBase64Error`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] help: consider annotating `FromBase64Error` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 181 + #[derive(Clone)]
[INFO] [stdout] 182 | pub enum FromBase64Error {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `FromHexError: Clone` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/hex.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[derive(Copy)]
[INFO] [stdout]    |          ---- in this derive macro expansion
[INFO] [stdout] 65 | pub enum FromHexError {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the trait `Clone` is not implemented for `FromHexError`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] help: consider annotating `FromHexError` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 65 + #[derive(Clone)]
[INFO] [stdout] 66 | pub enum FromHexError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `EncoderError: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:318:10
[INFO] [stdout]     |
[INFO] [stdout] 317 | #[derive(Copy, Debug)]
[INFO] [stdout]     |          ---- in this derive macro expansion
[INFO] [stdout] 318 | pub enum EncoderError {
[INFO] [stdout]     |          ^^^^^^^^^^^^ the trait `Clone` is not implemented for `EncoderError`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]    --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/marker.rs:454:0
[INFO] [stdout] help: consider annotating `EncoderError` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout] 318 + #[derive(Clone)]
[INFO] [stdout] 319 | pub enum EncoderError {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:1151:26
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     fn index(&self, idx: & &str) -> &Json {
[INFO] [stdout]      |                          ^^^^^^ expected `str`, found `&str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, &'a _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &&_) -> &Json`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]      |
[INFO] [stdout] 1151 -     fn index(&self, idx: & &str) -> &Json {
[INFO] [stdout] 1151 +     fn index(&self, idx: &'a str) -> &Json {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index` has an incompatible type for trait
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.6/src/json.rs:1159:33
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     fn index<'a>(&'a self, idx: &usize) -> &'a Json {
[INFO] [stdout]      |                                 ^^^^^^ expected `usize`, found `&usize`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected signature `fn(&Json, _) -> &Json`
[INFO] [stdout]                 found signature `fn(&Json, &_) -> &Json`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]      |
[INFO] [stdout] 1159 -     fn index<'a>(&'a self, idx: &usize) -> &'a Json {
[INFO] [stdout] 1159 +     fn index<'a>(&'a self, idx: usize) -> &'a Json {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0405, E0432, E0635, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "7eb4a4a632de73b362684c45a49b68b78303751a4627ddff413725d5bdeb5a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb4a4a632de73b362684c45a49b68b78303751a4627ddff413725d5bdeb5a46", kill_on_drop: false }`
[INFO] [stdout] 7eb4a4a632de73b362684c45a49b68b78303751a4627ddff413725d5bdeb5a46
