[INFO] fetching crate zorio 0.1.0...
[INFO] checking zorio-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate zorio 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zorio 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zorio 0.1.0
[INFO] finished tweaking crates.io crate zorio 0.1.0
[INFO] tweaked toml for crates.io crate zorio 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af6044de970ecca413455bd722e1db0e4d062ad8a4ddcdb0a1297065f26d7cbb
[INFO] running `Command { std: "docker" "start" "-a" "af6044de970ecca413455bd722e1db0e4d062ad8a4ddcdb0a1297065f26d7cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6044de970ecca413455bd722e1db0e4d062ad8a4ddcdb0a1297065f26d7cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6044de970ecca413455bd722e1db0e4d062ad8a4ddcdb0a1297065f26d7cbb", kill_on_drop: false }`
[INFO] [stdout] af6044de970ecca413455bd722e1db0e4d062ad8a4ddcdb0a1297065f26d7cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf4b22125c2ed55dbf4ea488ebeda22667c4b7991b27f41173146b1cee93c94
[INFO] running `Command { std: "docker" "start" "-a" "4bf4b22125c2ed55dbf4ea488ebeda22667c4b7991b27f41173146b1cee93c94", kill_on_drop: false }`
[INFO] [stderr]     Checking zorio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]    --> src/io.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::prelude::*;
[INFO] [stdout]     |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/cursor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]     --> src/io.rs:2027:9
[INFO] [stdout]      |
[INFO] [stdout] 2027 |     use io::prelude::*;
[INFO] [stdout]      |         ^^ use of undeclared crate or module `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]    --> src/io.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::prelude::*;
[INFO] [stdout]     |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/cursor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/impls.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/impls.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `io`
[INFO] [stdout]     --> src/io.rs:2028:9
[INFO] [stdout]      |
[INFO] [stdout] 2028 |     use io;
[INFO] [stdout]      |         ^^ no external crate `io`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these modules instead
[INFO] [stdout]      |
[INFO] [stdout] 2028 |     use crate::io;
[INFO] [stdout]      |         ~~~~~~~~~
[INFO] [stdout] 2028 |     use core::io;
[INFO] [stdout]      |         ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `super::Cursor`
[INFO] [stdout]     --> src/io.rs:2029:9
[INFO] [stdout]      |
[INFO] [stdout] 2029 |     use super::Cursor;
[INFO] [stdout]      |         ^^^^^^^^^^^^^ no `Cursor` in `io`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these structs instead
[INFO] [stdout]      |
[INFO] [stdout] 2029 |     use crate::cursor::Cursor;
[INFO] [stdout]      |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 2029 |     use alloc::collections::btree_map::Cursor;
[INFO] [stdout]      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 2029 |     use alloc::collections::btree_set::Cursor;
[INFO] [stdout]      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 2029 |     use alloc::collections::linked_list::Cursor;
[INFO] [stdout]      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `super::repeat`
[INFO] [stdout]     --> src/io.rs:2031:9
[INFO] [stdout]      |
[INFO] [stdout] 2031 |     use super::repeat;
[INFO] [stdout]      |         ^^^^^^^^^^^^^ no `repeat` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> src/io.rs:2057:48
[INFO] [stdout]      |
[INFO] [stdout] 2057 |         assert_eq!(s.next().unwrap().unwrap(), vec![b'1', b'2']);
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 2027 +     use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> src/io.rs:2062:48
[INFO] [stdout]      |
[INFO] [stdout] 2062 |         assert_eq!(s.next().unwrap().unwrap(), vec![b'1', b'2']);
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 2027 +     use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> src/io.rs:2063:48
[INFO] [stdout]      |
[INFO] [stdout] 2063 |         assert_eq!(s.next().unwrap().unwrap(), vec![]);
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 2027 +     use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/io.rs:2244:7
[INFO] [stdout]      |
[INFO] [stdout] 2244 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]      = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zorio` (lib test) due to 13 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zorio` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4bf4b22125c2ed55dbf4ea488ebeda22667c4b7991b27f41173146b1cee93c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf4b22125c2ed55dbf4ea488ebeda22667c4b7991b27f41173146b1cee93c94", kill_on_drop: false }`
[INFO] [stdout] 4bf4b22125c2ed55dbf4ea488ebeda22667c4b7991b27f41173146b1cee93c94