[INFO] fetching crate shell-rs 0.1.2...
[INFO] checking shell-rs-0.1.2 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate shell-rs 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shell-rs 0.1.2 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shell-rs 0.1.2
[INFO] finished tweaking crates.io crate shell-rs 0.1.2
[INFO] tweaked toml for crates.io crate shell-rs 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate shell-rs 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nc v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3e52c6ceb4c5fd0cff73ee03c2f6b940de8f9f9d36e8a7923060f9aee81121c
[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" "d3e52c6ceb4c5fd0cff73ee03c2f6b940de8f9f9d36e8a7923060f9aee81121c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e52c6ceb4c5fd0cff73ee03c2f6b940de8f9f9d36e8a7923060f9aee81121c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e52c6ceb4c5fd0cff73ee03c2f6b940de8f9f9d36e8a7923060f9aee81121c", kill_on_drop: false }`
[INFO] [stdout] d3e52c6ceb4c5fd0cff73ee03c2f6b940de8f9f9d36e8a7923060f9aee81121c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 4c7b4dbc34b50d8c1113e198d4dfa95d716cee7adf3f6ea9649d15ae5162de26
[INFO] running `Command { std: "docker" "start" "-a" "4c7b4dbc34b50d8c1113e198d4dfa95d716cee7adf3f6ea9649d15ae5162de26", kill_on_drop: false }`
[INFO] [stderr]     Checking nc v0.3.2
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 26 | |          : "={rax}"(ret)
[INFO] [stdout] 27 | |          : "{rax}"(n)
[INFO] [stdout] 28 | |          : "rcx",
[INFO] [stdout] 29 | |            "r11",
[INFO] [stdout] 30 | |            "memory"
[INFO] [stdout] 31 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 39 | |          : "={rax}"(ret)
[INFO] [stdout] 40 | |          : "{rax}"(n),
[INFO] [stdout] 41 | |            "{rdi}"(a1)
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |            "memory"
[INFO] [stdout] 45 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 53 | |          : "={rax}"(ret)
[INFO] [stdout] 54 | |          : "{rax}"(n),
[INFO] [stdout] 55 | |            "{rdi}"(a1),
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |            "memory"
[INFO] [stdout] 60 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |          : "={rax}"(ret)
[INFO] [stdout] 69 | |          : "{rax}"(n),
[INFO] [stdout] 70 | |            "{rdi}"(a1),
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |            "memory"
[INFO] [stdout] 76 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 90 | |          : "={rax}"(ret)
[INFO] [stdout] 91 | |          : "{rax}"(n),
[INFO] [stdout] 92 | |            "{rdi}"(a1),
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | |            "memory"
[INFO] [stdout] 99 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |       asm!("syscall"
[INFO] [stdout]     |       ^---
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 114 | |          : "={rax}"(ret)
[INFO] [stdout] 115 | |          : "{rax}"(n),
[INFO] [stdout] 116 | |            "{rdi}"(a1),
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |            "memory"
[INFO] [stdout] 124 | |          : "volatile");
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/platform/linux-x86_64/mod.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |       asm!("syscall"
[INFO] [stdout]     |       ^---
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 140 | |          : "={rax}"(ret)
[INFO] [stdout] 141 | |          : "{rax}"(n),
[INFO] [stdout] 142 | |            "{rdi}"(a1),
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |            "memory"
[INFO] [stdout] 151 | |          : "volatile");
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_raw_ptr_deref)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nc-0.3.2/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_slice_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4c7b4dbc34b50d8c1113e198d4dfa95d716cee7adf3f6ea9649d15ae5162de26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7b4dbc34b50d8c1113e198d4dfa95d716cee7adf3f6ea9649d15ae5162de26", kill_on_drop: false }`
[INFO] [stdout] 4c7b4dbc34b50d8c1113e198d4dfa95d716cee7adf3f6ea9649d15ae5162de26
