[INFO] crate linux 0.0.1 is already in cache
[INFO] checking linux-0.0.1 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate linux 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate linux 0.0.1 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linux 0.0.1
[INFO] finished tweaking crates.io crate linux 0.0.1
[INFO] tweaked toml for crates.io crate linux 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32450944488db2a4dc70555e8eb72c37e9310a31abc351f9e0612fd3730cd96d
[INFO] running `"docker" "start" "-a" "32450944488db2a4dc70555e8eb72c37e9310a31abc351f9e0612fd3730cd96d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling linux-macros v0.0.1
[INFO] [stderr]     Checking linux v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 71 | |                        : "{rax}"(n)
[INFO] [stderr] 72 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 73 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 81 | |                        : "{rax}"(n), "{rdi}"(a1)
[INFO] [stderr] 82 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 83 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 91 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2)
[INFO] [stderr] 92 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 93 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 101 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3)
[INFO] [stderr] 102 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 103 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 111 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 112 | |                          "{r10}"(a4)
[INFO] [stderr] 113 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 114 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 122 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 123 | |                          "{r10}"(a4), "{r8}"(a5)
[INFO] [stderr] 124 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 125 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 134 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 135 | |                          "{r10}"(a4), "{r8}"(a5), "{r9}"(a6)
[INFO] [stderr] 136 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 137 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 71 | |                        : "{rax}"(n)
[INFO] [stderr] 72 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 73 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 81 | |                        : "{rax}"(n), "{rdi}"(a1)
[INFO] [stderr] 82 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 83 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/syscall/raw/x86_64.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 91 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2)
[INFO] [stderr] 92 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 93 | |                        : "volatile");
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 101 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3)
[INFO] [stderr] 102 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 103 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 111 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 112 | |                          "{r10}"(a4)
[INFO] [stderr] 113 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 114 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 122 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 123 | |                          "{r10}"(a4), "{r8}"(a5)
[INFO] [stderr] 124 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 125 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/syscall/raw/x86_64.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |           asm!("syscall" : "={rax}"(ret)
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 134 | |                        : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stderr] 135 | |                          "{r10}"(a4), "{r8}"(a5), "{r9}"(a6)
[INFO] [stderr] 136 | |                        : "rcx", "r11", "memory"
[INFO] [stderr] 137 | |                        : "volatile");
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `structural_match` in this scope
[INFO] [stderr]   --> src/util/error.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 | #[structural_match]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `structural_match` in this scope
[INFO] [stderr]   --> src/util/error.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 | #[structural_match]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `linux`.
[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: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "32450944488db2a4dc70555e8eb72c37e9310a31abc351f9e0612fd3730cd96d"`
[INFO] running `"docker" "rm" "-f" "32450944488db2a4dc70555e8eb72c37e9310a31abc351f9e0612fd3730cd96d"`
[INFO] [stdout] 32450944488db2a4dc70555e8eb72c37e9310a31abc351f9e0612fd3730cd96d