[INFO] fetching crate iop-keyvault-wasm 0.0.4...
[INFO] checking iop-keyvault-wasm-0.0.4 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate iop-keyvault-wasm 0.0.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate iop-keyvault-wasm 0.0.4 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iop-keyvault-wasm 0.0.4
[INFO] finished tweaking crates.io crate iop-keyvault-wasm 0.0.4
[INFO] tweaked toml for crates.io crate iop-keyvault-wasm 0.0.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0a548bc6821f5245d74df2ace4b19d5507b2e78f43bfa224e85d055ebedb365
[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" "d0a548bc6821f5245d74df2ace4b19d5507b2e78f43bfa224e85d055ebedb365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a548bc6821f5245d74df2ace4b19d5507b2e78f43bfa224e85d055ebedb365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a548bc6821f5245d74df2ace4b19d5507b2e78f43bfa224e85d055ebedb365", kill_on_drop: false }`
[INFO] [stdout] d0a548bc6821f5245d74df2ace4b19d5507b2e78f43bfa224e85d055ebedb365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63ebdbd0ca7f721fc08a65911039c28f107f48e51996683cf016dc37b12af2bf
[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" "63ebdbd0ca7f721fc08a65911039c28f107f48e51996683cf016dc37b12af2bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking orion v0.15.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking iop-keyvault v0.0.4
[INFO] [stderr]     Checking wasm-bindgen v0.2.68
[INFO] [stderr]     Checking iop-keyvault-wasm v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "63ebdbd0ca7f721fc08a65911039c28f107f48e51996683cf016dc37b12af2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ebdbd0ca7f721fc08a65911039c28f107f48e51996683cf016dc37b12af2bf", kill_on_drop: false }`
[INFO] [stdout] 63ebdbd0ca7f721fc08a65911039c28f107f48e51996683cf016dc37b12af2bf