[INFO] fetching crate osdk-heap-allocator 0.15.2...
[INFO] checking osdk-heap-allocator-0.15.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate osdk-heap-allocator 0.15.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate osdk-heap-allocator 0.15.2
[INFO] finished tweaking crates.io crate osdk-heap-allocator 0.15.2
[INFO] tweaked toml for crates.io crate osdk-heap-allocator 0.15.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate osdk-heap-allocator 0.15.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate osdk-heap-allocator 0.15.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82b4cb24ebd1798810462cdbb6ce8698e71c2a8ec0486cce71482992599bcef
[INFO] running `Command { std: "docker" "start" "-a" "b82b4cb24ebd1798810462cdbb6ce8698e71c2a8ec0486cce71482992599bcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82b4cb24ebd1798810462cdbb6ce8698e71c2a8ec0486cce71482992599bcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82b4cb24ebd1798810462cdbb6ce8698e71c2a8ec0486cce71482992599bcef", kill_on_drop: false }`
[INFO] [stdout] b82b4cb24ebd1798810462cdbb6ce8698e71c2a8ec0486cce71482992599bcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053683c87230007a9d88317be2f77f9583f96e7dcaa0f0b938b22fda93126b18
[INFO] running `Command { std: "docker" "start" "-a" "053683c87230007a9d88317be2f77f9583f96e7dcaa0f0b938b22fda93126b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking linux-boot-params v0.15.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking align_ext v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking volatile v0.6.1
[INFO] [stderr]     Checking ostd-test v0.15.2
[INFO] [stderr]     Checking buddy_system_allocator v0.10.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]     Checking unwinding v0.2.5
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unwinding-0.2.5/src/unwinder/arch/x86_64.rs:61:3
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[naked]
[INFO] [stdout]    |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[unsafe(naked)]
[INFO] [stdout]    |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr] error: could not compile `unwinding` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "053683c87230007a9d88317be2f77f9583f96e7dcaa0f0b938b22fda93126b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053683c87230007a9d88317be2f77f9583f96e7dcaa0f0b938b22fda93126b18", kill_on_drop: false }`
[INFO] [stdout] 053683c87230007a9d88317be2f77f9583f96e7dcaa0f0b938b22fda93126b18