[INFO] cloning repository https://github.com/fmiras/vanirust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmiras/vanirust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmiras%2Fvanirust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmiras%2Fvanirust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7a004ea2fc56dfa50129152ab2b04e42fa8895c
[INFO] checking fmiras/vanirust against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmiras%2Fvanirust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fmiras/vanirust on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fmiras/vanirust
[INFO] finished tweaking git repo https://github.com/fmiras/vanirust
[INFO] tweaked toml for git repo https://github.com/fmiras/vanirust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fmiras/vanirust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f4207c7d5d688898850feb01df75c3084ba4ffad5fa0330d60447462fb0a198
[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" "0f4207c7d5d688898850feb01df75c3084ba4ffad5fa0330d60447462fb0a198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f4207c7d5d688898850feb01df75c3084ba4ffad5fa0330d60447462fb0a198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4207c7d5d688898850feb01df75c3084ba4ffad5fa0330d60447462fb0a198", kill_on_drop: false }`
[INFO] [stdout] 0f4207c7d5d688898850feb01df75c3084ba4ffad5fa0330d60447462fb0a198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915e644f36b6413743ac4de9ce1771746e1ffcaf755c95eb8f90936add327262
[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" "915e644f36b6413743ac4de9ce1771746e1ffcaf755c95eb8f90936add327262", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking memzero v0.1.0 (/opt/rustwide/workdir/src/memzero)
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling eth-secp256k1 v0.5.7 (https://github.com/paritytech/rust-secp256k1#ccc06e74)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking ethbloom v0.5.0
[INFO] [stderr]     Checking ethereum-types v0.4.0
[INFO] [stderr]     Checking ethkey v0.3.0 (/opt/rustwide/workdir/src/ethkey)
[INFO] [stderr]     Checking vanirust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.54s
[INFO] running `Command { std: "docker" "inspect" "915e644f36b6413743ac4de9ce1771746e1ffcaf755c95eb8f90936add327262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915e644f36b6413743ac4de9ce1771746e1ffcaf755c95eb8f90936add327262", kill_on_drop: false }`
[INFO] [stdout] 915e644f36b6413743ac4de9ce1771746e1ffcaf755c95eb8f90936add327262