[INFO] cloning repository https://github.com/unintended/hackerrank-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unintended/hackerrank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funintended%2Fhackerrank-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funintended%2Fhackerrank-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43b491dd630c4a386ec10108522f47be9198e6cf
[INFO] checking unintended/hackerrank-rust against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funintended%2Fhackerrank-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/unintended/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/unintended/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/unintended/hackerrank-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unintended/hackerrank-rust on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unintended/hackerrank-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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking unintended/hackerrank-rust against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funintended%2Fhackerrank-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/unintended/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/unintended/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/unintended/hackerrank-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unintended/hackerrank-rust on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unintended/hackerrank-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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d4d407b0446cac0088a1a28ba00dd7ddb2cd5153e36d730896c6e9dcd0e3542
[INFO] running `Command { std: "docker" "start" "-a" "7d4d407b0446cac0088a1a28ba00dd7ddb2cd5153e36d730896c6e9dcd0e3542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4d407b0446cac0088a1a28ba00dd7ddb2cd5153e36d730896c6e9dcd0e3542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4d407b0446cac0088a1a28ba00dd7ddb2cd5153e36d730896c6e9dcd0e3542", kill_on_drop: false }`
[INFO] [stdout] 7d4d407b0446cac0088a1a28ba00dd7ddb2cd5153e36d730896c6e9dcd0e3542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6e991cd05c052ef84222e8dedf5e3a18137eafb3a8733c6321843bedbb991a
[INFO] running `Command { std: "docker" "start" "-a" "bc6e991cd05c052ef84222e8dedf5e3a18137eafb3a8733c6321843bedbb991a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking itertools v0.0.19
[INFO] [stdout] error: can't qualify macro_rules invocation with `pub`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/lib.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub macro_rules! iproduct {
[INFO] [stdout]    | ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try exporting the macro
[INFO] [stdout]    |
[INFO] [stdout] 89 - pub macro_rules! iproduct {
[INFO] [stdout] 89 + #[macro_export] macro_rules! iproduct {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: can't qualify macro_rules invocation with `pub`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/lib.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub macro_rules! izip {
[INFO] [stdout]     | ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try exporting the macro
[INFO] [stdout]     |
[INFO] [stdout] 133 - pub macro_rules! izip {
[INFO] [stdout] 133 + #[macro_export] macro_rules! izip {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: can't qualify macro_rules invocation with `pub`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/lib.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub macro_rules! icompr {
[INFO] [stdout]     | ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try exporting the macro
[INFO] [stdout]     |
[INFO] [stdout] 171 - pub macro_rules! icompr {
[INFO] [stdout] 171 + #[macro_export] macro_rules! icompr {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/adaptors.rs:411:21
[INFO] [stdout]     |
[INFO] [stdout] 411 |         let div = |&: x: usize| {
[INFO] [stdout]     |                     ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/adaptors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 8 - use std::num::Int;
[INFO] [stdout] 8 + use adaptors::mem::type_info::Int;
[INFO] [stdout]   |
[INFO] [stdout] 8 - use std::num::Int;
[INFO] [stdout] 8 + use adaptors::mem::type_info::TypeKind::Int;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/intersperse.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::num::Int;
[INFO] [stdout] 1 + use std::mem::type_info::Int;
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::num::Int;
[INFO] [stdout] 1 + use std::mem::type_info::TypeKind::Int;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::NumCast`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/linspace.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::{Float, NumCast};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^ no `NumCast` 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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::FullRange`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/misc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     FullRange,
[INFO] [stdout]   |     ^^^^^^^^^ no `FullRange` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::RingBuf`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/tee.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::RingBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `RingBuf` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/tee.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 4 - use std::num::Int;
[INFO] [stdout] 4 + use std::mem::type_info::Int;
[INFO] [stdout]   |
[INFO] [stdout] 4 - use std::num::Int;
[INFO] [stdout] 4 + use std::mem::type_info::TypeKind::Int;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::RandomAccessIterator`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/zip.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::RandomAccessIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `RandomAccessIterator` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `old_impl_check` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/adaptors.rs:291:3
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[old_impl_check]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/zip.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 | #[derive(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Output` is not a member of trait `IndexMut`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 |     type Output = A;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ not a member of trait `IndexMut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Counter` in module `iter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/linspace.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Linspace<F> = iter::Take<iter::Counter<F>>;
[INFO] [stdout]   |                                         ^^^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `count` in module `iter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/linspace.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         iter::count(a, step).take(n)
[INFO] [stdout]    |               ^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `count` in module `iter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/linspace.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |         iter::count(a, Float::one()).take(n)
[INFO] [stdout]    |               ^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `ContravariantLifetime` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     life: marker::ContravariantLifetime<'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/54cf65b8d066c082e536455049b95943cf30378f/library/core/src/marker/variance.rs:108:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `PhantomContravariantLifetime` defined here
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 26 |     life: marker::PhantomContravariantLifetime<'a>,
[INFO] [stdout]    |                   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `ContravariantLifetime` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     life: marker::ContravariantLifetime<'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/54cf65b8d066c082e536455049b95943cf30378f/library/core/src/marker/variance.rs:108:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `PhantomContravariantLifetime` defined here
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 39 |     life: marker::PhantomContravariantLifetime<'a>,
[INFO] [stdout]    |                   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `NoCopy` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     nocopy: marker::NoCopy
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/54cf65b8d066c082e536455049b95943cf30378f/library/core/src/marker.rs:457:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Copy` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 40 -     nocopy: marker::NoCopy
[INFO] [stdout] 40 +     nocopy: marker::Copy
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ContravariantLifetime` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |             life: marker::ContravariantLifetime,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^ not found in `marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ContravariantLifetime` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |             life: marker::ContravariantLifetime,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^ not found in `marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NoCopy` in module `marker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:69:29
[INFO] [stdout]    |
[INFO] [stdout] 69 |             nocopy: marker::NoCopy,
[INFO] [stdout]    |                             ^^^^^^ not found in `marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Show` in module `fmt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 |         impl<'a, A: fmt::Show> fmt::Show for $name<'a, A>
[INFO] [stdout]     |                                     ^^^^ not found in `fmt`
[INFO] [stdout] ...
[INFO] [stdout] 246 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Show` in module `fmt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:229:26
[INFO] [stdout]     |
[INFO] [stdout] 229 |         impl<'a, A: fmt::Show> fmt::Show for $name<'a, A>
[INFO] [stdout]     |                          ^^^^ not found in `fmt`
[INFO] [stdout] ...
[INFO] [stdout] 246 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 for i in range(0, self.len()) {
[INFO] [stdout]     |                          ^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 246 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout]   7 + use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Show` in module `fmt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:229:37
[INFO] [stdout]     |
[INFO] [stdout] 229 |         impl<'a, A: fmt::Show> fmt::Show for $name<'a, A>
[INFO] [stdout]     |                                     ^^^^ not found in `fmt`
[INFO] [stdout] ...
[INFO] [stdout] 247 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Show` in module `fmt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:229:26
[INFO] [stdout]     |
[INFO] [stdout] 229 |         impl<'a, A: fmt::Show> fmt::Show for $name<'a, A>
[INFO] [stdout]     |                          ^^^^ not found in `fmt`
[INFO] [stdout] ...
[INFO] [stdout] 247 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 for i in range(0, self.len()) {
[INFO] [stdout]     |                          ^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 247 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout]   7 + use std::slice::range;
[INFO] [stdout]     |
[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/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/zip.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #[unstable = "trait is unstable"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for number literal
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/lib.rs:435:25
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let mut index = 0us;
[INFO] [stdout]     |                         ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `old_impl_check`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(old_impl_check)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/adaptors.rs:427:8
[INFO] [stdout]     |
[INFO] [stdout] 427 |     a: Peekable<T, A>,
[INFO] [stdout]     |        ^^^^^^^^  --- help: remove the unnecessary generic argument
[INFO] [stdout]     |        |
[INFO] [stdout]     |        expected 1 generic argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/adaptors.rs:428:8
[INFO] [stdout]     |
[INFO] [stdout] 428 |     b: Peekable<T, B>,
[INFO] [stdout]     |        ^^^^^^^^  --- help: remove the unnecessary generic argument
[INFO] [stdout]     |        |
[INFO] [stdout]     |        expected 1 generic argument
[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/itertools-0.0.19/src/stride.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |             fn index<'b>(&'b self, i: &usize) -> &'b A
[INFO] [stdout]     |                                       ^^^^^^ expected `usize`, found `&usize`
[INFO] [stdout] ...
[INFO] [stdout] 246 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&Stride<'_, _>, _) -> &_`
[INFO] [stdout]                found signature `fn(&Stride<'_, _>, &_) -> &_`
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 219 -             fn index<'b>(&'b self, i: &usize) -> &'b A
[INFO] [stdout] 219 +             fn index<'b>(&'b self, i: usize) -> &'b A
[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/itertools-0.0.19/src/stride.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |             fn index<'b>(&'b self, i: &usize) -> &'b A
[INFO] [stdout]     |                                       ^^^^^^ expected `usize`, found `&usize`
[INFO] [stdout] ...
[INFO] [stdout] 247 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&StrideMut<'_, _>, _) -> &_`
[INFO] [stdout]                found signature `fn(&StrideMut<'_, _>, &_) -> &_`
[INFO] [stdout]     = note: this error originates in the macro `stride_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 219 -             fn index<'b>(&'b self, i: &usize) -> &'b A
[INFO] [stdout] 219 +             fn index<'b>(&'b self, i: usize) -> &'b A
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `index_mut` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.0.19/src/stride.rs:263:39
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn index_mut<'b>(&'b mut self, i: &usize) -> &'b mut A
[INFO] [stdout]     |                                       ^^^^^^ expected `usize`, found `&usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&mut StrideMut<'_, _>, _) -> &mut _`
[INFO] [stdout]                found signature `fn(&mut StrideMut<'_, _>, &_) -> &mut _`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 263 -     fn index_mut<'b>(&'b mut self, i: &usize) -> &'b mut A
[INFO] [stdout] 263 +     fn index_mut<'b>(&'b mut self, i: usize) -> &'b mut A
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0107, E0405, E0425, E0432, E0437, E0635, E0734.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itertools` (lib) due to 37 previous errors
[INFO] running `Command { std: "docker" "inspect" "bc6e991cd05c052ef84222e8dedf5e3a18137eafb3a8733c6321843bedbb991a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6e991cd05c052ef84222e8dedf5e3a18137eafb3a8733c6321843bedbb991a", kill_on_drop: false }`
[INFO] [stdout] bc6e991cd05c052ef84222e8dedf5e3a18137eafb3a8733c6321843bedbb991a