[INFO] fetching crate zissou 0.0.0...
[INFO] testing zissou-0.0.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate zissou 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate zissou 0.0.0
[INFO] finished tweaking crates.io crate zissou 0.0.0
[INFO] tweaked toml for crates.io crate zissou 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zissou 0.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to highest compatible versions
[INFO] [stderr]       Adding cortex-m v0.6.7 (available: v0.7.9)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (available: v0.7.7)
[INFO] [stderr]       Adding panic-halt v0.2.0 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded cortex-m-macros v0.7.8
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded cortex-m v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578
[INFO] running `Command { std: "docker" "start" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m-macros v0.7.8
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.9
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling zissou v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[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 `zissou` (bin "zissou") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578", kill_on_drop: false }`
[INFO] [stdout] 5a2653e7c88e59032abbebf77fe53a47b4c01fa4eeda5b6c3964f82aa9aab578
