[INFO] cloning repository https://github.com/mkpankov/rexdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkpankov/rexdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frexdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frexdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7b95cbc71ead66170ea2833e8e51a5cc7a9ba6a
[INFO] testing mkpankov/rexdump against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frexdump" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/rexdump on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkpankov/rexdump
[INFO] finished tweaking git repo https://github.com/mkpankov/rexdump
[INFO] tweaked toml for git repo https://github.com/mkpankov/rexdump written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/rexdump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc48a2e32c026ab7bb322118a71b7f35a37dff44794d3664f02fe54e29a2da8
[INFO] running `Command { std: "docker" "start" "-a" "4bc48a2e32c026ab7bb322118a71b7f35a37dff44794d3664f02fe54e29a2da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc48a2e32c026ab7bb322118a71b7f35a37dff44794d3664f02fe54e29a2da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc48a2e32c026ab7bb322118a71b7f35a37dff44794d3664f02fe54e29a2da8", kill_on_drop: false }`
[INFO] [stdout] 4bc48a2e32c026ab7bb322118a71b7f35a37dff44794d3664f02fe54e29a2da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9900bb29fbb683e92cb7e1366a733534e0586e0be6257df6dd90c3c62431600b
[INFO] running `Command { std: "docker" "start" "-a" "9900bb29fbb683e92cb7e1366a733534e0586e0be6257df6dd90c3c62431600b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.14
[INFO] [stderr]    Compiling syscall v0.2.0
[INFO] [stdout] error[E0259]: the name `core` is defined multiple times
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ `core` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `core` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate core as other_core;
[INFO] [stdout]    |
[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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 18 | |                    : "{rax}"(n)
[INFO] [stdout] 19 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 20 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 28 | |                    : "{rax}"(n), "{rdi}"(a1)
[INFO] [stdout] 29 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 30 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 38 | |                    : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2)
[INFO] [stdout] 39 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 40 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 48 | |                    : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3)
[INFO] [stdout] 49 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 50 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 59 | |                    : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stdout] 60 | |                      "{r10}"(a4)
[INFO] [stdout] 61 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 62 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 71 | |                    : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stdout] 72 | |                      "{r10}"(a4), "{r8}"(a5)
[INFO] [stdout] 73 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 74 | |                    : "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/syscall-0.2.0/src/platform/linux-x86_64/mod.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |       asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 83 | |                    : "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
[INFO] [stdout] 84 | |                      "{r10}"(a4), "{r8}"(a5), "{r9}"(a6)
[INFO] [stdout] 85 | |                    : "rcx", "r11", "memory"
[INFO] [stdout] 86 | |                    : "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 stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.0/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(asm, no_std)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[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/syscall-0.2.0/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(core)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0259, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0259`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syscall`
[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] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.14/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.14/src/serialize.rs:200:41
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9900bb29fbb683e92cb7e1366a733534e0586e0be6257df6dd90c3c62431600b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9900bb29fbb683e92cb7e1366a733534e0586e0be6257df6dd90c3c62431600b", kill_on_drop: false }`
[INFO] [stdout] 9900bb29fbb683e92cb7e1366a733534e0586e0be6257df6dd90c3c62431600b
