[INFO] fetching crate typed-ski 0.14.16...
[INFO] testing typed-ski-0.14.16 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate typed-ski 0.14.16 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate typed-ski 0.14.16
[INFO] finished tweaking crates.io crate typed-ski 0.14.16
[INFO] tweaked toml for crates.io crate typed-ski 0.14.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate typed-ski 0.14.16 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate typed-ski 0.14.16 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d990c6881b279d2d88ec9f086838773288ceda97c62190763bcc502084c62b8
[INFO] running `Command { std: "docker" "start" "-a" "6d990c6881b279d2d88ec9f086838773288ceda97c62190763bcc502084c62b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d990c6881b279d2d88ec9f086838773288ceda97c62190763bcc502084c62b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d990c6881b279d2d88ec9f086838773288ceda97c62190763bcc502084c62b8", kill_on_drop: false }`
[INFO] [stdout] 6d990c6881b279d2d88ec9f086838773288ceda97c62190763bcc502084c62b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc2235f419fe94985b9a6f93f0c36949e1dd0ec6ecf72a304a0a595f47902ab6
[INFO] running `Command { std: "docker" "start" "-a" "fc2235f419fe94985b9a6f93f0c36949e1dd0ec6ecf72a304a0a595f47902ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-ski v0.14.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "fc2235f419fe94985b9a6f93f0c36949e1dd0ec6ecf72a304a0a595f47902ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2235f419fe94985b9a6f93f0c36949e1dd0ec6ecf72a304a0a595f47902ab6", kill_on_drop: false }`
[INFO] [stdout] fc2235f419fe94985b9a6f93f0c36949e1dd0ec6ecf72a304a0a595f47902ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354a7d678f374559e62848fa4e988c181ed7a5fd4f67c236a9abaa9c7f17ab36
[INFO] running `Command { std: "docker" "start" "-a" "354a7d678f374559e62848fa4e988c181ed7a5fd4f67c236a9abaa9c7f17ab36", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-ski v0.14.16 (/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 `typed-ski` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "354a7d678f374559e62848fa4e988c181ed7a5fd4f67c236a9abaa9c7f17ab36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354a7d678f374559e62848fa4e988c181ed7a5fd4f67c236a9abaa9c7f17ab36", kill_on_drop: false }`
[INFO] [stdout] 354a7d678f374559e62848fa4e988c181ed7a5fd4f67c236a9abaa9c7f17ab36