[INFO] fetching crate pallet-mmr 3.0.0...
[INFO] checking pallet-mmr-3.0.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pallet-mmr 3.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pallet-mmr 3.0.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-mmr 3.0.0
[INFO] finished tweaking crates.io crate pallet-mmr 3.0.0
[INFO] tweaked toml for crates.io crate pallet-mmr 3.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]   Downloaded pallet-mmr-primitives v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe468f6c6c36b0c338a6cd7ce1c5883723ba44b61100c3812172c15bfd91a6b
[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" "7fe468f6c6c36b0c338a6cd7ce1c5883723ba44b61100c3812172c15bfd91a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe468f6c6c36b0c338a6cd7ce1c5883723ba44b61100c3812172c15bfd91a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe468f6c6c36b0c338a6cd7ce1c5883723ba44b61100c3812172c15bfd91a6b", kill_on_drop: false }`
[INFO] [stdout] 7fe468f6c6c36b0c338a6cd7ce1c5883723ba44b61100c3812172c15bfd91a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b29c63a09b60ab78e7ce0aeb7e99bd2fa1d77dd07950b7bcbdd5e8659399bb7a
[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" "b29c63a09b60ab78e7ce0aeb7e99bd2fa1d77dd07950b7bcbdd5e8659399bb7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking trie-db v0.22.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking sp-trie v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0
[INFO] [stderr]     Checking sp-inherents v3.0.0
[INFO] [stderr]     Checking frame-metadata v13.0.0
[INFO] [stderr]     Checking sp-state-machine v0.9.0
[INFO] [stderr]     Checking nalgebra v0.25.4
[INFO] [stderr]     Checking sp-io v3.0.0
[INFO] [stderr]     Checking sp-application-crypto v3.0.0
[INFO] [stderr]     Checking sp-runtime v3.0.0
[INFO] [stderr]     Checking statrs v0.13.0
[INFO] [stderr]     Checking sp-version v3.0.0
[INFO] [stderr]     Checking sp-staking v3.0.0
[INFO] [stderr]     Checking frame-support v3.0.0
[INFO] [stderr]     Checking sp-api v3.0.0
[INFO] [stderr]     Checking frame-system v3.0.0
[INFO] [stderr]     Checking pallet-mmr-primitives v3.0.0
[INFO] [stderr]     Checking linregress v0.4.1
[INFO] [stderr]     Checking frame-benchmarking v3.1.0
[INFO] [stderr]     Checking pallet-mmr v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]   --> src/mmr/utils.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = env_logger::try_init();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]   --> src/tests.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let _ = env_logger::try_init();
[INFO] [stdout]    |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:177:10
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:234:10
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:263:10
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]    --> src/tests.rs:287:10
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let _ = env_logger::try_init();
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |         fn on_initialize(n: T::BlockNumber) -> Weight {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-mmr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b29c63a09b60ab78e7ce0aeb7e99bd2fa1d77dd07950b7bcbdd5e8659399bb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29c63a09b60ab78e7ce0aeb7e99bd2fa1d77dd07950b7bcbdd5e8659399bb7a", kill_on_drop: false }`
[INFO] [stdout] b29c63a09b60ab78e7ce0aeb7e99bd2fa1d77dd07950b7bcbdd5e8659399bb7a