[INFO] fetching crate ink_lang 3.4.0...
[INFO] checking ink_lang-3.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ink_lang 3.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ink_lang 3.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ink_lang 3.4.0
[INFO] finished tweaking crates.io crate ink_lang 3.4.0
[INFO] tweaked toml for crates.io crate ink_lang 3.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding impl-serde v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding ink_allocator v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_engine v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_env v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_metadata v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_prelude v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_primitives v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding ink_storage v3.4.0 (latest: v5.0.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding secp256k1 v0.24.3 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.6.1 (latest: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ink_primitives v3.4.0
[INFO] [stderr]   Downloaded ink_storage_derive v3.4.0
[INFO] [stderr]   Downloaded ink_env v3.4.0
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded ink_prelude v3.4.0
[INFO] [stderr]   Downloaded ink_engine v3.4.0
[INFO] [stderr]   Downloaded ink_lang_macro v3.4.0
[INFO] [stderr]   Downloaded secp256k1 v0.24.3
[INFO] [stderr]   Downloaded ink_lang_codegen v3.4.0
[INFO] [stderr]   Downloaded ink_lang_ir v3.4.0
[INFO] [stderr]   Downloaded ink_storage v3.4.0
[INFO] [stderr]   Downloaded ink_allocator v3.4.0
[INFO] [stderr]   Downloaded ink_metadata v3.4.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf4253a39387238c5b906a3c609339d44e8c05e87df586ef575ffa6c3bc1b2dd
[INFO] running `Command { std: "docker" "start" "-a" "cf4253a39387238c5b906a3c609339d44e8c05e87df586ef575ffa6c3bc1b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4253a39387238c5b906a3c609339d44e8c05e87df586ef575ffa6c3bc1b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4253a39387238c5b906a3c609339d44e8c05e87df586ef575ffa6c3bc1b2dd", kill_on_drop: false }`
[INFO] [stdout] cf4253a39387238c5b906a3c609339d44e8c05e87df586ef575ffa6c3bc1b2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0074f71ea676e3337bcbcabe98c4c5994a45d6886a69f24b6fc626117a590b33
[INFO] running `Command { std: "docker" "start" "-a" "0074f71ea676e3337bcbcabe98c4c5994a45d6886a69f24b6fc626117a590b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking ink_prelude v3.4.0
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking ink_allocator v3.4.0
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking ink_lang_ir v3.4.0
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]    Compiling scale-info-derive v2.11.3
[INFO] [stderr]    Compiling ink_storage_derive v3.4.0
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]     Checking scale-info v2.11.3
[INFO] [stderr]     Checking ink_engine v3.4.0
[INFO] [stderr]    Compiling ink_lang_codegen v3.4.0
[INFO] [stderr]    Compiling ink_primitives v3.4.0
[INFO] [stderr]     Checking ink_metadata v3.4.0
[INFO] [stderr]     Checking ink_env v3.4.0
[INFO] [stderr]    Compiling ink_lang_macro v3.4.0
[INFO] [stderr]     Checking ink_storage v3.4.0
[INFO] [stderr]     Checking ink_lang v3.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ChainExtension` is never used
[INFO] [stdout]   --> src/chain_extension.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait ChainExtension {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ChainExtension` is never used
[INFO] [stdout]   --> src/chain_extension.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait ChainExtension {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 20.28s
[INFO] running `Command { std: "docker" "inspect" "0074f71ea676e3337bcbcabe98c4c5994a45d6886a69f24b6fc626117a590b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0074f71ea676e3337bcbcabe98c4c5994a45d6886a69f24b6fc626117a590b33", kill_on_drop: false }`
[INFO] [stdout] 0074f71ea676e3337bcbcabe98c4c5994a45d6886a69f24b6fc626117a590b33