[INFO] cloning repository https://github.com/mattdean-digicatapult/distributed-learning-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattdean-digicatapult/distributed-learning-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdean-digicatapult%2Fdistributed-learning-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdean-digicatapult%2Fdistributed-learning-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 090ea5019bc45b3fb14861f2a1137bf945191907
[INFO] checking mattdean-digicatapult/distributed-learning-demo against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdean-digicatapult%2Fdistributed-learning-demo" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattdean-digicatapult/distributed-learning-demo on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattdean-digicatapult/distributed-learning-demo
[INFO] finished tweaking git repo https://github.com/mattdean-digicatapult/distributed-learning-demo
[INFO] tweaked toml for git repo https://github.com/mattdean-digicatapult/distributed-learning-demo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattdean-digicatapult/distributed-learning-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating git repository `https://github.com/Xanewok/json`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5413a9af8d8d5612f6c8b76547440b38aeb2094d676360c7c71f37b3df300e1f
[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" "5413a9af8d8d5612f6c8b76547440b38aeb2094d676360c7c71f37b3df300e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5413a9af8d8d5612f6c8b76547440b38aeb2094d676360c7c71f37b3df300e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5413a9af8d8d5612f6c8b76547440b38aeb2094d676360c7c71f37b3df300e1f", kill_on_drop: false }`
[INFO] [stdout] 5413a9af8d8d5612f6c8b76547440b38aeb2094d676360c7c71f37b3df300e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17faed841df295527d3a49d889d54e6e01a320fef1aecd0e247b02f2795dad7f
[INFO] running `Command { std: "docker" "start" "-a" "17faed841df295527d3a49d889d54e6e01a320fef1aecd0e247b02f2795dad7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking sp-std v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.57.0/src/operators_validator.rs:300:50
[INFO] [stdout]      |
[INFO] [stdout] 300  |         return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]      |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 1030 |                         bail_op_err!("type mismatch: only integer types allowed with bare `select`")
[INFO] [stdout]      |                         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.57.0/src/operators_validator.rs:300:50
[INFO] [stdout]      |
[INFO] [stdout] 300  |         return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]      |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 2002 |                     None => bail_op_err!("unknown table {}: table index out of bounds", table),
[INFO] [stdout]      |                             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.57.0/src/operators_validator.rs:300:50
[INFO] [stdout]      |
[INFO] [stdout] 300  |           return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]      |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 2006 |                       None => bail_op_err!(
[INFO] [stdout]      |  _____________________________-
[INFO] [stdout] 2007 | |                         "unknown elem segment {}: segment index out of bounds",
[INFO] [stdout] 2008 | |                         segment
[INFO] [stdout] 2009 | |                     ),
[INFO] [stdout]      | |_____________________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.59.0/src/operators_validator.rs:295:50
[INFO] [stdout]     |
[INFO] [stdout] 295 |         return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]     |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 955 |                         bail_op_err!("type mismatch: only integer types allowed with bare `select`")
[INFO] [stdout]     |                         ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.59.0/src/operators_validator.rs:295:50
[INFO] [stdout]      |
[INFO] [stdout] 295  |         return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]      |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 1930 |                     None => bail_op_err!("unknown table {}: table index out of bounds", table),
[INFO] [stdout]      |                             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmparser-0.59.0/src/operators_validator.rs:295:50
[INFO] [stdout]      |
[INFO] [stdout] 295  |           return Err(format_op_err!( $( $arg ),* ));
[INFO] [stdout]      |                                                    ^
[INFO] [stdout] ...
[INFO] [stdout] 1934 |                       None => bail_op_err!(
[INFO] [stdout]      |  _____________________________-
[INFO] [stdout] 1935 | |                         "unknown elem segment {}: segment index out of bounds",
[INFO] [stdout] 1936 | |                         segment
[INFO] [stdout] 1937 | |                     ),
[INFO] [stdout]      | |_____________________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `bail_op_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling alt_serde v1.0.104
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr] error: could not compile `wasmparser`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17faed841df295527d3a49d889d54e6e01a320fef1aecd0e247b02f2795dad7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17faed841df295527d3a49d889d54e6e01a320fef1aecd0e247b02f2795dad7f", kill_on_drop: false }`
[INFO] [stdout] 17faed841df295527d3a49d889d54e6e01a320fef1aecd0e247b02f2795dad7f