[INFO] fetching crate syscall-linux-raw 0.0.2...
[INFO] checking syscall-linux-raw-0.0.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate syscall-linux-raw 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate syscall-linux-raw 0.0.2 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 syscall-linux-raw 0.0.2
[INFO] finished tweaking crates.io crate syscall-linux-raw 0.0.2
[INFO] tweaked toml for crates.io crate syscall-linux-raw 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate syscall-linux-raw 0.0.2 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dynasm-lib v0.1.0-alpha
[INFO] [stderr]   Downloaded direct-asm v0.0.1-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5fff49514de0ce33c3350c3a5e16fadf308492423696e1c6e127c55881d603e
[INFO] running `Command { std: "docker" "start" "-a" "b5fff49514de0ce33c3350c3a5e16fadf308492423696e1c6e127c55881d603e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5fff49514de0ce33c3350c3a5e16fadf308492423696e1c6e127c55881d603e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fff49514de0ce33c3350c3a5e16fadf308492423696e1c6e127c55881d603e", kill_on_drop: false }`
[INFO] [stdout] b5fff49514de0ce33c3350c3a5e16fadf308492423696e1c6e127c55881d603e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8048b83a02eb3e86d50b3a38bd4441b232394b09d11b27e5eebc052d7856a5ae
[INFO] running `Command { std: "docker" "start" "-a" "8048b83a02eb3e86d50b3a38bd4441b232394b09d11b27e5eebc052d7856a5ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling dynasm-lib v0.1.0-alpha
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling direct-asm v0.0.1-alpha
[INFO] [stderr]     Checking syscall-linux-raw v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syscall-linux-raw` (example "simple") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8048b83a02eb3e86d50b3a38bd4441b232394b09d11b27e5eebc052d7856a5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8048b83a02eb3e86d50b3a38bd4441b232394b09d11b27e5eebc052d7856a5ae", kill_on_drop: false }`
[INFO] [stdout] 8048b83a02eb3e86d50b3a38bd4441b232394b09d11b27e5eebc052d7856a5ae
[INFO] checking syscall-linux-raw-0.0.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate syscall-linux-raw 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate syscall-linux-raw 0.0.2 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 syscall-linux-raw 0.0.2
[INFO] finished tweaking crates.io crate syscall-linux-raw 0.0.2
[INFO] tweaked toml for crates.io crate syscall-linux-raw 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate syscall-linux-raw 0.0.2 already has a lockfile, it will not be regenerated
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd18eaa6729cf7f404e06bd9d47d7312970a00e5a160b7fa1a116905bd85ba32
[INFO] running `Command { std: "docker" "start" "-a" "fd18eaa6729cf7f404e06bd9d47d7312970a00e5a160b7fa1a116905bd85ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd18eaa6729cf7f404e06bd9d47d7312970a00e5a160b7fa1a116905bd85ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd18eaa6729cf7f404e06bd9d47d7312970a00e5a160b7fa1a116905bd85ba32", kill_on_drop: false }`
[INFO] [stdout] fd18eaa6729cf7f404e06bd9d47d7312970a00e5a160b7fa1a116905bd85ba32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8feeee6c8d4e75013496cc66c04568ffcc3d46b2f69670f4a14961bc9ea14de0
[INFO] running `Command { std: "docker" "start" "-a" "8feeee6c8d4e75013496cc66c04568ffcc3d46b2f69670f4a14961bc9ea14de0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "8feeee6c8d4e75013496cc66c04568ffcc3d46b2f69670f4a14961bc9ea14de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feeee6c8d4e75013496cc66c04568ffcc3d46b2f69670f4a14961bc9ea14de0", kill_on_drop: false }`
[INFO] [stdout] 8feeee6c8d4e75013496cc66c04568ffcc3d46b2f69670f4a14961bc9ea14de0