[INFO] fetching crate nuclear 0.0.10...
[INFO] checking nuclear-0.0.10 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate nuclear 0.0.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nuclear 0.0.10 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nuclear 0.0.10
[INFO] finished tweaking crates.io crate nuclear 0.0.10
[INFO] tweaked toml for crates.io crate nuclear 0.0.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nuclear 0.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c53b2df4015cc6019a017b3008ad61e978350725b509f62cebcbe159a689714
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c53b2df4015cc6019a017b3008ad61e978350725b509f62cebcbe159a689714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c53b2df4015cc6019a017b3008ad61e978350725b509f62cebcbe159a689714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c53b2df4015cc6019a017b3008ad61e978350725b509f62cebcbe159a689714", kill_on_drop: false }`
[INFO] [stdout] 0c53b2df4015cc6019a017b3008ad61e978350725b509f62cebcbe159a689714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09458d81b3b63fcc5710b303318e74f7022d19290c1f4324abf114b0edbb13f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b09458d81b3b63fcc5710b303318e74f7022d19290c1f4324abf114b0edbb13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking nuclear v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.36s
[INFO] running `Command { std: "docker" "inspect" "b09458d81b3b63fcc5710b303318e74f7022d19290c1f4324abf114b0edbb13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09458d81b3b63fcc5710b303318e74f7022d19290c1f4324abf114b0edbb13f", kill_on_drop: false }`
[INFO] [stdout] b09458d81b3b63fcc5710b303318e74f7022d19290c1f4324abf114b0edbb13f