[INFO] fetching crate octopos 1.1.0...
[INFO] checking octopos-1.1.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate octopos 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate octopos 1.1.0
[INFO] finished tweaking crates.io crate octopos 1.1.0
[INFO] tweaked toml for crates.io crate octopos 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate octopos 1.1.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate octopos 1.1.0 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buddy-alloc v0.6.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a4b85f2985a32aae5d557f89ccd570e278e2f4840acc6cd075e851e14a8fb7
[INFO] running `Command { std: "docker" "start" "-a" "12a4b85f2985a32aae5d557f89ccd570e278e2f4840acc6cd075e851e14a8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a4b85f2985a32aae5d557f89ccd570e278e2f4840acc6cd075e851e14a8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a4b85f2985a32aae5d557f89ccd570e278e2f4840acc6cd075e851e14a8fb7", kill_on_drop: false }`
[INFO] [stdout] 12a4b85f2985a32aae5d557f89ccd570e278e2f4840acc6cd075e851e14a8fb7
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2d7aff75cb091a38f7ad73d66f6a7bf9f07b51909ddc0d63f90a5eadc3f245
[INFO] running `Command { std: "docker" "start" "-a" "eb2d7aff75cb091a38f7ad73d66f6a7bf9f07b51909ddc0d63f90a5eadc3f245", kill_on_drop: false }`
[INFO] [stderr]    Compiling octopos v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking buddy-alloc v0.6.0
[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 `octopos` (bin "octopos") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb2d7aff75cb091a38f7ad73d66f6a7bf9f07b51909ddc0d63f90a5eadc3f245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2d7aff75cb091a38f7ad73d66f6a7bf9f07b51909ddc0d63f90a5eadc3f245", kill_on_drop: false }`
[INFO] [stdout] eb2d7aff75cb091a38f7ad73d66f6a7bf9f07b51909ddc0d63f90a5eadc3f245