[INFO] fetching crate inkpad 0.2.0...
[INFO] checking inkpad-0.2.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate inkpad 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate inkpad 0.2.0
[INFO] finished tweaking crates.io crate inkpad 0.2.0
[INFO] tweaked toml for crates.io crate inkpad 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inkpad 0.2.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate inkpad 0.2.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fac1a8666b82feecaf177b1b1519a1080a706b19a869cd8a12af8b729cc318bc
[INFO] running `Command { std: "docker" "start" "-a" "fac1a8666b82feecaf177b1b1519a1080a706b19a869cd8a12af8b729cc318bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fac1a8666b82feecaf177b1b1519a1080a706b19a869cd8a12af8b729cc318bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac1a8666b82feecaf177b1b1519a1080a706b19a869cd8a12af8b729cc318bc", kill_on_drop: false }`
[INFO] [stdout] fac1a8666b82feecaf177b1b1519a1080a706b19a869cd8a12af8b729cc318bc
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff34d7bfa4eea66e14fadda291554bd508cc88e14962e78ddb5c5559e07132a
[INFO] running `Command { std: "docker" "start" "-a" "dff34d7bfa4eea66e14fadda291554bd508cc88e14962e78ddb5c5559e07132a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking inkpad-std v0.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking etc v0.1.16
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking patract-wasmi v0.9.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling inkpad-derive v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]     Checking parity-scale-codec v2.3.1
[INFO] [stderr]     Checking inkpad-support v0.1.0
[INFO] [stderr]     Checking inkpad-executor v0.1.0
[INFO] [stderr]     Checking inkpad-sandbox v0.1.0
[INFO] [stderr]     Checking inkpad-seal v0.1.0
[INFO] [stderr]     Checking inkpad-runtime v0.1.0
[INFO] [stderr]     Checking inkpad-ri v0.1.0
[INFO] [stderr]     Checking inkpad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CouldNotParseCommand(String);
[INFO] [stdout]    |            -------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `CouldNotParseCommand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParseContractFailed(String);
[INFO] [stdout]    |            ------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParseContractFailed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DecodeAddressFailed(String);
[INFO] [stdout]    |            ------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DecodeAddressFailed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Custom(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Custom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CouldNotParseCommand(String);
[INFO] [stdout]    |            -------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `CouldNotParseCommand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParseContractFailed(String);
[INFO] [stdout]    |            ------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParseContractFailed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DecodeAddressFailed(String);
[INFO] [stdout]    |            ------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DecodeAddressFailed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/result.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Custom(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Custom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.21s
[INFO] running `Command { std: "docker" "inspect" "dff34d7bfa4eea66e14fadda291554bd508cc88e14962e78ddb5c5559e07132a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff34d7bfa4eea66e14fadda291554bd508cc88e14962e78ddb5c5559e07132a", kill_on_drop: false }`
[INFO] [stdout] dff34d7bfa4eea66e14fadda291554bd508cc88e14962e78ddb5c5559e07132a
