[INFO] updating cached repository https://github.com/NervosFoundation/serde_bench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 051f5eb6e65b7c59c655e163d59f5d21320f1bbf
[INFO] checking NervosFoundation/serde_bench against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNervosFoundation%2Fserde_bench" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NervosFoundation/serde_bench on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NervosFoundation/serde_bench
[INFO] finished tweaking git repo https://github.com/NervosFoundation/serde_bench
[INFO] tweaked toml for git repo https://github.com/NervosFoundation/serde_bench written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/NervosFoundation/serde_bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9ef93a4218af12043a6e9b4169d0be9abe40ae2a091ae774f94b04d1d8de2a6
[INFO] running `"docker" "start" "-a" "d9ef93a4218af12043a6e9b4169d0be9abe40ae2a091ae774f94b04d1d8de2a6"`
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling uint v0.2.0 (https://github.com/nervosnetwork/primitives#dfb17048)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling bigint v0.2.3 (https://github.com/NervosFoundation/bigint#8ba1894c)
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1 (https://github.com/nervosnetwork/primitives#dfb17048)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flatbuffers v0.6.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking fixed-hash v0.2.1 (https://github.com/nervosnetwork/primitives#dfb17048)
[INFO] [stderr]     Checking bstr v0.2.9
[INFO] [stderr] error[E0428]: the name `impl_heapsize_for_hash` is defined multiple times
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/primitives-748f96ad4f0fe5be/dfb1704/fixed-hash/src/hash.rs:431:1
[INFO] [stderr]     |
[INFO] [stderr] 325 | macro_rules! impl_heapsize_for_hash {
[INFO] [stderr]     | ----------------------------------- previous definition of the macro `impl_heapsize_for_hash` here
[INFO] [stderr] ...
[INFO] [stderr] 431 | macro_rules! impl_heapsize_for_hash {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl_heapsize_for_hash` redefined here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `impl_heapsize_for_hash` must be defined only once in the macro namespace of this module
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0428`.
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr] error: could not compile `fixed-hash`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d9ef93a4218af12043a6e9b4169d0be9abe40ae2a091ae774f94b04d1d8de2a6"`
[INFO] running `"docker" "rm" "-f" "d9ef93a4218af12043a6e9b4169d0be9abe40ae2a091ae774f94b04d1d8de2a6"`
[INFO] [stdout] d9ef93a4218af12043a6e9b4169d0be9abe40ae2a091ae774f94b04d1d8de2a6