[INFO] cloning repository https://github.com/tomusdrw/eth-tx-fee-bumper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomusdrw/eth-tx-fee-bumper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Feth-tx-fee-bumper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Feth-tx-fee-bumper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 795946f396f6a082682d25f03862776a96801a8d
[INFO] checking tomusdrw/eth-tx-fee-bumper against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Feth-tx-fee-bumper" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomusdrw/eth-tx-fee-bumper on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomusdrw/eth-tx-fee-bumper
[INFO] finished tweaking git repo https://github.com/tomusdrw/eth-tx-fee-bumper
[INFO] tweaked toml for git repo https://github.com/tomusdrw/eth-tx-fee-bumper written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tomusdrw/eth-tx-fee-bumper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae2cae99ac62b184182b4c08f077280b251365dc473f333054c1a151e5057a11
[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" "ae2cae99ac62b184182b4c08f077280b251365dc473f333054c1a151e5057a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2cae99ac62b184182b4c08f077280b251365dc473f333054c1a151e5057a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2cae99ac62b184182b4c08f077280b251365dc473f333054c1a151e5057a11", kill_on_drop: false }`
[INFO] [stdout] ae2cae99ac62b184182b4c08f077280b251365dc473f333054c1a151e5057a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4800aa5ce6a0ac8a17b6044652c1fd732d6960305d990a1bf32b7d0a8ef48665
[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" "4800aa5ce6a0ac8a17b6044652c1fd732d6960305d990a1bf32b7d0a8ef48665", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking subtle v2.1.1
[INFO] [stderr]     Checking memzero v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.8.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking fixed-hash v0.5.1
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking parity-crypto v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking parity-scale-codec v1.1.0
[INFO] [stderr]     Checking impl-serde v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking ethsign v0.7.3
[INFO] [stderr]     Checking ethbloom v0.8.1
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.6.1
[INFO] [stderr]     Checking ethereum-types v0.8.0
[INFO] [stderr]     Checking ethereum-transaction v0.2.0 (https://github.com/tomusdrw/jsonrpc-proxy#1561d1d2)
[INFO] [stderr]     Checking tx-fee-bumper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.16s
[INFO] running `Command { std: "docker" "inspect" "4800aa5ce6a0ac8a17b6044652c1fd732d6960305d990a1bf32b7d0a8ef48665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4800aa5ce6a0ac8a17b6044652c1fd732d6960305d990a1bf32b7d0a8ef48665", kill_on_drop: false }`
[INFO] [stdout] 4800aa5ce6a0ac8a17b6044652c1fd732d6960305d990a1bf32b7d0a8ef48665