[INFO] fetching crate ethereumvm-precompiled-modexp 0.11.0...
[INFO] checking ethereumvm-precompiled-modexp-0.11.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate ethereumvm-precompiled-modexp 0.11.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ethereumvm-precompiled-modexp 0.11.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereumvm-precompiled-modexp 0.11.0
[INFO] finished tweaking crates.io crate ethereumvm-precompiled-modexp 0.11.0
[INFO] tweaked toml for crates.io crate ethereumvm-precompiled-modexp 0.11.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9f71bc004f9627d1ec64dc650f52bb32b7bbcfba02b10173c0687bf60d73379
[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" "c9f71bc004f9627d1ec64dc650f52bb32b7bbcfba02b10173c0687bf60d73379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f71bc004f9627d1ec64dc650f52bb32b7bbcfba02b10173c0687bf60d73379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f71bc004f9627d1ec64dc650f52bb32b7bbcfba02b10173c0687bf60d73379", kill_on_drop: false }`
[INFO] [stdout] c9f71bc004f9627d1ec64dc650f52bb32b7bbcfba02b10173c0687bf60d73379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec0b741bbb01fcef8b7bb3a53306afe12e4d6879260cc63f5a95059579732fe
[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" "5ec0b741bbb01fcef8b7bb3a53306afe12e4d6879260cc63f5a95059579732fe", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking ripemd160 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libsecp256k1 v0.1.15
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ethereum-trie v0.5.0
[INFO] [stderr]     Checking ethereum-bloom v0.2.1
[INFO] [stderr]     Checking ethereum-block-core v0.2.0
[INFO] [stderr]     Checking ethereum-trie-memory v0.5.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking ethereum-block v0.4.0
[INFO] [stderr]     Checking ethereumvm v0.11.0
[INFO] [stderr]     Checking ethereumvm-precompiled-modexp v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.54s
[INFO] running `Command { std: "docker" "inspect" "5ec0b741bbb01fcef8b7bb3a53306afe12e4d6879260cc63f5a95059579732fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec0b741bbb01fcef8b7bb3a53306afe12e4d6879260cc63f5a95059579732fe", kill_on_drop: false }`
[INFO] [stdout] 5ec0b741bbb01fcef8b7bb3a53306afe12e4d6879260cc63f5a95059579732fe