[INFO] cloning repository https://github.com/noandrea/cosmos-cash-credentials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noandrea/cosmos-cash-credentials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Fcosmos-cash-credentials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Fcosmos-cash-credentials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87a8a6e2c261b2347ec138e1dc98b59ad817be1c
[INFO] checking noandrea/cosmos-cash-credentials against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Fcosmos-cash-credentials" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noandrea/cosmos-cash-credentials on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noandrea/cosmos-cash-credentials
[INFO] finished tweaking git repo https://github.com/noandrea/cosmos-cash-credentials
[INFO] tweaked toml for git repo https://github.com/noandrea/cosmos-cash-credentials written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/noandrea/cosmos-cash-credentials already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05cbc517a93819a53bfe22bfd328363c1c10982a0949fd0caee011fd933f2f40
[INFO] running `Command { std: "docker" "start" "-a" "05cbc517a93819a53bfe22bfd328363c1c10982a0949fd0caee011fd933f2f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05cbc517a93819a53bfe22bfd328363c1c10982a0949fd0caee011fd933f2f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cbc517a93819a53bfe22bfd328363c1c10982a0949fd0caee011fd933f2f40", kill_on_drop: false }`
[INFO] [stdout] 05cbc517a93819a53bfe22bfd328363c1c10982a0949fd0caee011fd933f2f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29dafea80e71ce68a5a32480932c6e32e530c47b88870dc26e2a64e8c2fff6f4
[INFO] running `Command { std: "docker" "start" "-a" "29dafea80e71ce68a5a32480932c6e32e530c47b88870dc26e2a64e8c2fff6f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking cosmos-cash-credentials v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hash` is never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct NaiveMerkleTree {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 92 |     // hash is a pointer to the hashing struct
[INFO] [stdout] 93 |     hash: Hmac<Sha256>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NaiveMerkleTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stdout] warning: field `hash` is never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct NaiveMerkleTree {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 92 |     // hash is a pointer to the hashing struct
[INFO] [stdout] 93 |     hash: Hmac<Sha256>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NaiveMerkleTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.73
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "29dafea80e71ce68a5a32480932c6e32e530c47b88870dc26e2a64e8c2fff6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dafea80e71ce68a5a32480932c6e32e530c47b88870dc26e2a64e8c2fff6f4", kill_on_drop: false }`
[INFO] [stdout] 29dafea80e71ce68a5a32480932c6e32e530c47b88870dc26e2a64e8c2fff6f4
[INFO] checking noandrea/cosmos-cash-credentials against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Fcosmos-cash-credentials" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noandrea/cosmos-cash-credentials on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noandrea/cosmos-cash-credentials
[INFO] finished tweaking git repo https://github.com/noandrea/cosmos-cash-credentials
[INFO] tweaked toml for git repo https://github.com/noandrea/cosmos-cash-credentials written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/noandrea/cosmos-cash-credentials already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50cf7bd1aabe77bed38e3f506d51164394e0a5ed93d11bcc340668a7e64fc2c6
[INFO] running `Command { std: "docker" "start" "-a" "50cf7bd1aabe77bed38e3f506d51164394e0a5ed93d11bcc340668a7e64fc2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50cf7bd1aabe77bed38e3f506d51164394e0a5ed93d11bcc340668a7e64fc2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cf7bd1aabe77bed38e3f506d51164394e0a5ed93d11bcc340668a7e64fc2c6", kill_on_drop: false }`
[INFO] [stdout] 50cf7bd1aabe77bed38e3f506d51164394e0a5ed93d11bcc340668a7e64fc2c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7718f89b1614036e2369a22a119fa9db0abc27e63112b6b1584269d587999b7
[INFO] running `Command { std: "docker" "start" "-a" "d7718f89b1614036e2369a22a119fa9db0abc27e63112b6b1584269d587999b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking cosmos-cash-credentials v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hash` is never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct NaiveMerkleTree {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 92 |     // hash is a pointer to the hashing struct
[INFO] [stdout] 93 |     hash: Hmac<Sha256>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NaiveMerkleTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stdout] warning: field `hash` is never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct NaiveMerkleTree {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 92 |     // hash is a pointer to the hashing struct
[INFO] [stdout] 93 |     hash: Hmac<Sha256>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NaiveMerkleTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.73
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d7718f89b1614036e2369a22a119fa9db0abc27e63112b6b1584269d587999b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7718f89b1614036e2369a22a119fa9db0abc27e63112b6b1584269d587999b7", kill_on_drop: false }`
[INFO] [stdout] d7718f89b1614036e2369a22a119fa9db0abc27e63112b6b1584269d587999b7