[INFO] fetching crate iop-vault 0.0.15...
[INFO] checking iop-vault-0.0.15 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate iop-vault 0.0.15 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iop-vault 0.0.15 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iop-vault 0.0.15
[INFO] finished tweaking crates.io crate iop-vault 0.0.15
[INFO] tweaked toml for crates.io crate iop-vault 0.0.15 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 erased-serde v0.3.16
[INFO] [stderr]   Downloaded combine v4.6.2
[INFO] [stderr]   Downloaded pbkdf2 v0.4.0
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.8.2
[INFO] [stderr]   Downloaded android_log-sys v0.2.0
[INFO] [stderr]   Downloaded android_logger v0.9.2
[INFO] [stderr]   Downloaded orion v0.16.1
[INFO] [stderr]   Downloaded ct-codecs v1.1.1
[INFO] [stderr]   Downloaded typetag v0.1.8
[INFO] [stderr]   Downloaded inventory v0.2.0
[INFO] [stderr]   Downloaded typetag-impl v0.1.8
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded iop-keyvault v0.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9fbad73d98ef647272ed0bc0664a206878176b95aeaaac3b85af5aeac079395
[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" "a9fbad73d98ef647272ed0bc0664a206878176b95aeaaac3b85af5aeac079395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9fbad73d98ef647272ed0bc0664a206878176b95aeaaac3b85af5aeac079395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fbad73d98ef647272ed0bc0664a206878176b95aeaaac3b85af5aeac079395", kill_on_drop: false }`
[INFO] [stdout] a9fbad73d98ef647272ed0bc0664a206878176b95aeaaac3b85af5aeac079395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78231f8f573de1a8d047b46823e2f51927ea7ca80a653ca6a59488e70ae3e481
[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" "78231f8f573de1a8d047b46823e2f51927ea7ca80a653ca6a59488e70ae3e481", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking orion v0.16.1
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking inventory v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tiny-bip39 v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking iop-keyvault v0.0.15
[INFO] [stderr]     Checking typetag v0.1.8
[INFO] [stderr]     Checking iop-vault v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "78231f8f573de1a8d047b46823e2f51927ea7ca80a653ca6a59488e70ae3e481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78231f8f573de1a8d047b46823e2f51927ea7ca80a653ca6a59488e70ae3e481", kill_on_drop: false }`
[INFO] [stdout] 78231f8f573de1a8d047b46823e2f51927ea7ca80a653ca6a59488e70ae3e481