[INFO] cloning repository https://github.com/zacstewart/rush
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacstewart/rush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Frush"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Frush'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7581812425956fe085073d40e63aec69448cbbcb
[INFO] checking zacstewart/rush against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Frush" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacstewart/rush on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zacstewart/rush
[INFO] finished tweaking git repo https://github.com/zacstewart/rush
[INFO] tweaked toml for git repo https://github.com/zacstewart/rush written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zacstewart/rush already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6377cc8071e1a4c638789cbb249015c6965c65cd5d891d7537120199f3abe8b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6377cc8071e1a4c638789cbb249015c6965c65cd5d891d7537120199f3abe8b9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rush v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::{stdio};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/process.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::process::ProcessExit;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/pipe.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::stdio::StdinReader;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/pipe.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::util::NullWriter;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/process.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::Command;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/pipe.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io::{Reader,Writer,ChanReader,ChanWriter,IoResult};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/pipe.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::{stdio};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ProcessExit` in this scope
[INFO] [stderr]   --> src/process.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn launch(&mut self) -> ProcessExit {
[INFO] [stderr]    |                                 ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box pattern syntax is experimental
[INFO] [stderr]   --> src/process.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let box ref args = self.arguments;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #29641 <https://github.com/rust-lang/rust/issues/29641> for more information
[INFO] [stderr]    = help: add `#![feature(box_patterns)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `rush`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::{stdio};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/process.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::process::ProcessExit;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/pipe.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::stdio::StdinReader;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/pipe.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::util::NullWriter;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/process.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::Command;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/pipe.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io::{Reader,Writer,ChanReader,ChanWriter,IoResult};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/pipe.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::{stdio};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ProcessExit` in this scope
[INFO] [stderr]   --> src/process.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn launch(&mut self) -> ProcessExit {
[INFO] [stderr]    |                                 ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box pattern syntax is experimental
[INFO] [stderr]   --> src/process.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let box ref args = self.arguments;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #29641 <https://github.com/rust-lang/rust/issues/29641> for more information
[INFO] [stderr]    = help: add `#![feature(box_patterns)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `rush`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6377cc8071e1a4c638789cbb249015c6965c65cd5d891d7537120199f3abe8b9"`
[INFO] running `"docker" "rm" "-f" "6377cc8071e1a4c638789cbb249015c6965c65cd5d891d7537120199f3abe8b9"`
[INFO] [stdout] 6377cc8071e1a4c638789cbb249015c6965c65cd5d891d7537120199f3abe8b9