[INFO] fetching crate context-allocator 0.2.3...
[INFO] checking context-allocator-0.2.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate context-allocator 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate context-allocator 0.2.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate context-allocator 0.2.3
[INFO] finished tweaking crates.io crate context-allocator 0.2.3
[INFO] tweaked toml for crates.io crate context-allocator 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding likely v0.1.0 (latest: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded likely v0.1.0
[INFO] [stderr]   Downloaded syscall-alt v0.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176e1d0c5625194b4283db0ae090fc5200c180fd3452399d26488ccbff59d4fd
[INFO] running `Command { std: "docker" "start" "-a" "176e1d0c5625194b4283db0ae090fc5200c180fd3452399d26488ccbff59d4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176e1d0c5625194b4283db0ae090fc5200c180fd3452399d26488ccbff59d4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176e1d0c5625194b4283db0ae090fc5200c180fd3452399d26488ccbff59d4fd", kill_on_drop: false }`
[INFO] [stdout] 176e1d0c5625194b4283db0ae090fc5200c180fd3452399d26488ccbff59d4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72690aff3360e5c921078e275fb2c410eba58e50c2bbaab919606c9178cb961c
[INFO] running `Command { std: "docker" "start" "-a" "72690aff3360e5c921078e275fb2c410eba58e50c2bbaab919606c9178cb961c", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking syscall-alt v0.0.14
[INFO] [stderr]     Checking likely v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall0.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall1.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall2.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall3.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall4.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall5.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/syscall6.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     asm!
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syscall-alt-0.0.14/src/syscalls/linux_like/x86_64/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syscall-alt` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "72690aff3360e5c921078e275fb2c410eba58e50c2bbaab919606c9178cb961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72690aff3360e5c921078e275fb2c410eba58e50c2bbaab919606c9178cb961c", kill_on_drop: false }`
[INFO] [stdout] 72690aff3360e5c921078e275fb2c410eba58e50c2bbaab919606c9178cb961c
[INFO] checking context-allocator-0.2.3 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate context-allocator 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate context-allocator 0.2.3 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate context-allocator 0.2.3
[INFO] finished tweaking crates.io crate context-allocator 0.2.3
[INFO] tweaked toml for crates.io crate context-allocator 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding likely v0.1.0 (latest: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 986f59898a8f111f731ece67f9ce717c3ae07c98df82260f95c0ccd62f734349
[INFO] running `Command { std: "docker" "start" "-a" "986f59898a8f111f731ece67f9ce717c3ae07c98df82260f95c0ccd62f734349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986f59898a8f111f731ece67f9ce717c3ae07c98df82260f95c0ccd62f734349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986f59898a8f111f731ece67f9ce717c3ae07c98df82260f95c0ccd62f734349", kill_on_drop: false }`
[INFO] [stdout] 986f59898a8f111f731ece67f9ce717c3ae07c98df82260f95c0ccd62f734349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07246e76f9aca9290cb4bf78e3fb4f94c33c28c1d9d3ac9355c374e7d5a03ddb
[INFO] running `Command { std: "docker" "start" "-a" "07246e76f9aca9290cb4bf78e3fb4f94c33c28c1d9d3ac9355c374e7d5a03ddb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "07246e76f9aca9290cb4bf78e3fb4f94c33c28c1d9d3ac9355c374e7d5a03ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07246e76f9aca9290cb4bf78e3fb4f94c33c28c1d9d3ac9355c374e7d5a03ddb", kill_on_drop: false }`
[INFO] [stdout] 07246e76f9aca9290cb4bf78e3fb4f94c33c28c1d9d3ac9355c374e7d5a03ddb