[INFO] cloning repository https://github.com/johshoff/concurrent_speed_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johshoff/concurrent_speed_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_speed_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_speed_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d418bf0b604ee45aaabed534976979bffcaf6194
[INFO] documenting johshoff/concurrent_speed_test against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_speed_test" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johshoff/concurrent_speed_test on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johshoff/concurrent_speed_test
[INFO] finished tweaking git repo https://github.com/johshoff/concurrent_speed_test
[INFO] tweaked toml for git repo https://github.com/johshoff/concurrent_speed_test written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/johshoff/concurrent_speed_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/johshoff/concurrent_queue.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e521b33a86d4e9ee8b29a10fa32f174f7201172b32fbc2a9c72acb598597a3
[INFO] running `Command { std: "docker" "start" "-a" "26e521b33a86d4e9ee8b29a10fa32f174f7201172b32fbc2a9c72acb598597a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e521b33a86d4e9ee8b29a10fa32f174f7201172b32fbc2a9c72acb598597a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e521b33a86d4e9ee8b29a10fa32f174f7201172b32fbc2a9c72acb598597a3", kill_on_drop: false }`
[INFO] [stdout] 26e521b33a86d4e9ee8b29a10fa32f174f7201172b32fbc2a9c72acb598597a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2964dd8a7007d50f9e62a91ff5b2769065648147e9d6106bf6170d562a12dbc
[INFO] running `Command { std: "docker" "start" "-a" "b2964dd8a7007d50f9e62a91ff5b2769065648147e9d6106bf6170d562a12dbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking concurrent_queue v0.1.0 (https://github.com/johshoff/concurrent_queue.git#c5b0608f)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/atomics/x86.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         asm!("LOCK CMPXCHG qword ptr [RCX], RBX"
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           std::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concurrent_queue` due to 8 previous errors
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/atomics/x86.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         asm!("LOCK CMPXCHG16B [R8]"
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            std::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/atomics/x86.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         asm!("LOCK XADD qword ptr [RCX], RBX"
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            std::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/atomics/x86.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         asm!("LOCK BTS qword ptr [RCX], 63"
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            std::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/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(repr_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/concurrent_queue-52b51eabbdf9ed0b/c5b0608/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2964dd8a7007d50f9e62a91ff5b2769065648147e9d6106bf6170d562a12dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2964dd8a7007d50f9e62a91ff5b2769065648147e9d6106bf6170d562a12dbc", kill_on_drop: false }`
[INFO] [stdout] b2964dd8a7007d50f9e62a91ff5b2769065648147e9d6106bf6170d562a12dbc