[INFO] cloning repository https://github.com/CRust-OS/CRust-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CRust-OS/CRust-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRust-OS%2FCRust-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRust-OS%2FCRust-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cbb111efcc76fb9e3ae2e0b6b01e1353b38c791
[INFO] testing CRust-OS/CRust-OS against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRust-OS%2FCRust-OS" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CRust-OS/CRust-OS on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CRust-OS/CRust-OS
[INFO] finished tweaking git repo https://github.com/CRust-OS/CRust-OS
[INFO] tweaked toml for git repo https://github.com/CRust-OS/CRust-OS written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/CRust-OS/CRust-OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/CRust-OS/Calculator.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.7.20
[INFO] [stderr]   Downloaded phf_generator v0.7.20
[INFO] [stderr]   Downloaded phf_shared v0.7.20
[INFO] [stderr]   Downloaded x86 v0.8.0
[INFO] [stderr]   Downloaded nom v1.2.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 405fb975cf382f4998bdaa3797c361e49052f768eeb5a5376d31e10541a557f9
[INFO] running `Command { std: "docker" "start" "-a" "405fb975cf382f4998bdaa3797c361e49052f768eeb5a5376d31e10541a557f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405fb975cf382f4998bdaa3797c361e49052f768eeb5a5376d31e10541a557f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405fb975cf382f4998bdaa3797c361e49052f768eeb5a5376d31e10541a557f9", kill_on_drop: false }`
[INFO] [stdout] 405fb975cf382f4998bdaa3797c361e49052f768eeb5a5376d31e10541a557f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27898cd61f6cc4cfea202c047ccdc75abef529f4ec10c2d68d5deac0d0c7bdf4
[INFO] running `Command { std: "docker" "start" "-a" "27898cd61f6cc4cfea202c047ccdc75abef529f4ec10c2d68d5deac0d0c7bdf4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling raw-cpuid v2.0.1
[INFO] [stderr]    Compiling nom v1.2.2
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling mm v0.0.1 (/opt/rustwide/workdir/mm)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> mm/src/mm.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]  --> mm/src/mm.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![allocator]
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> mm/src/mm.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> mm/src/mm.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mm` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/lib.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | extern crate collections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         asm!("movl $0, %eax" : : "{eax}" (eax) : "eax");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         asm!("movl $0, %ecx" : : "{ecx}" (ecx) : "ecx");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         asm!("cpuid" : "={eax}"(res.eax) "={ebx}"(res.ebx)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         asm!("movl $0, %eax" : : "{eax}" (eax) : "eax");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         asm!("cpuid" : "={eax}"(res.eax) "={ebx}"(res.ebx)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(prelude_import, asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::vec`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::vec::Vec;
[INFO] [stdout]   |          ^^^ could not find `vec` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::string`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/util.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::string::ToString;
[INFO] [stdout]   |          ^^^^^^ could not find `string` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/internal.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::boxed::Box;
[INFO] [stdout]   |          ^^^^^ could not find `boxed` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/nom.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::boxed::Box;
[INFO] [stdout]    |          ^^^^^ could not find `boxed` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/lib.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![cfg_attr(feature = "core", feature(no_std))]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `no_std` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/lib.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "core", feature(collections))]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string` found for type `u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.2/src/util.rs:414:17
[INFO] [stdout]     |
[INFO] [stdout] 414 |   let s = color.to_string();
[INFO] [stdout]     |                 ^^^^^^^^^ method not found in `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0463, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "27898cd61f6cc4cfea202c047ccdc75abef529f4ec10c2d68d5deac0d0c7bdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27898cd61f6cc4cfea202c047ccdc75abef529f4ec10c2d68d5deac0d0c7bdf4", kill_on_drop: false }`
[INFO] [stdout] 27898cd61f6cc4cfea202c047ccdc75abef529f4ec10c2d68d5deac0d0c7bdf4