[INFO] fetching crate harmony_rust_sdk 0.5.1...
[INFO] checking harmony_rust_sdk-0.5.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate harmony_rust_sdk 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate harmony_rust_sdk 0.5.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate harmony_rust_sdk 0.5.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate harmony_rust_sdk 0.5.1
[INFO] tweaked toml for crates.io crate harmony_rust_sdk 0.5.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate harmony_rust_sdk 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hrpc v0.6.4
[INFO] [stderr]   Downloaded hrpc-build v0.3.5
[INFO] [stderr]   Downloaded harmony_derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb74502c81d2e5e47fed64b5636acf830cd833c0481095563a23655f30464992
[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" "eb74502c81d2e5e47fed64b5636acf830cd833c0481095563a23655f30464992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb74502c81d2e5e47fed64b5636acf830cd833c0481095563a23655f30464992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb74502c81d2e5e47fed64b5636acf830cd833c0481095563a23655f30464992", kill_on_drop: false }`
[INFO] [stdout] eb74502c81d2e5e47fed64b5636acf830cd833c0481095563a23655f30464992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c35f507613cc52c6ab3d43866e7564bf9f1071e4a1a0ece72d450a3fd113f9
[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" "84c35f507613cc52c6ab3d43866e7564bf9f1071e4a1a0ece72d450a3fd113f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling harmony_derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking hrpc v0.6.4
[INFO] [stderr]    Compiling hrpc-build v0.3.5
[INFO] [stderr]    Compiling harmony_rust_sdk v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `harmony_rust_sdk v0.5.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/harmony_rust_sdk-5e919a537756f9e1/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] running `Command { std: "docker" "inspect" "84c35f507613cc52c6ab3d43866e7564bf9f1071e4a1a0ece72d450a3fd113f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c35f507613cc52c6ab3d43866e7564bf9f1071e4a1a0ece72d450a3fd113f9", kill_on_drop: false }`
[INFO] [stdout] 84c35f507613cc52c6ab3d43866e7564bf9f1071e4a1a0ece72d450a3fd113f9