[INFO] fetching crate mini-loader 1.2.0...
[INFO] testing mini-loader-1.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate mini-loader 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mini-loader 1.2.0
[INFO] finished tweaking crates.io crate mini-loader 1.2.0
[INFO] tweaked toml for crates.io crate mini-loader 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini-loader 1.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mini-loader 1.2.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate v0.13.3
[INFO] [stderr]   Downloaded elf_loader v0.10.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded syscalls v0.6.18
[INFO] [stderr]   Downloaded elf v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 883722df49f3337092a7649fd07bb7bc8e8dd9f0a6242f75f666ebb78d69f9a0
[INFO] running `Command { std: "docker" "start" "-a" "883722df49f3337092a7649fd07bb7bc8e8dd9f0a6242f75f666ebb78d69f9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "883722df49f3337092a7649fd07bb7bc8e8dd9f0a6242f75f666ebb78d69f9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883722df49f3337092a7649fd07bb7bc8e8dd9f0a6242f75f666ebb78d69f9a0", kill_on_drop: false }`
[INFO] [stdout] 883722df49f3337092a7649fd07bb7bc8e8dd9f0a6242f75f666ebb78d69f9a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ecb1dc18f4c3cad4fef50975b784b2d5f53e0f497d0f477333a025f22a2129b
[INFO] running `Command { std: "docker" "start" "-a" "8ecb1dc18f4c3cad4fef50975b784b2d5f53e0f497d0f477333a025f22a2129b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling syscalls v0.6.18
[INFO] [stderr]    Compiling elf v0.7.4
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling delegate v0.13.3
[INFO] [stderr]    Compiling elf_loader v0.10.1
[INFO] [stderr]    Compiling mini-loader v1.2.0 (/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] [stderr] error: could not compile `mini-loader` (bin "mini-loader") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8ecb1dc18f4c3cad4fef50975b784b2d5f53e0f497d0f477333a025f22a2129b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecb1dc18f4c3cad4fef50975b784b2d5f53e0f497d0f477333a025f22a2129b", kill_on_drop: false }`
[INFO] [stdout] 8ecb1dc18f4c3cad4fef50975b784b2d5f53e0f497d0f477333a025f22a2129b