[INFO] cloning repository https://github.com/PFwrench/Efficacy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PFwrench/Efficacy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPFwrench%2FEfficacy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPFwrench%2FEfficacy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 727e90b8910085e45431f9338a10f131da2ff9d5
[INFO] checking PFwrench/Efficacy against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPFwrench%2FEfficacy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PFwrench/Efficacy on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PFwrench/Efficacy
[INFO] finished tweaking git repo https://github.com/PFwrench/Efficacy
[INFO] tweaked toml for git repo https://github.com/PFwrench/Efficacy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/PFwrench/Efficacy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5531af1c623ecd6960c05c42c22cec8a595ab457be56c7aff63c6978066c49
[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" "1a5531af1c623ecd6960c05c42c22cec8a595ab457be56c7aff63c6978066c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5531af1c623ecd6960c05c42c22cec8a595ab457be56c7aff63c6978066c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5531af1c623ecd6960c05c42c22cec8a595ab457be56c7aff63c6978066c49", kill_on_drop: false }`
[INFO] [stdout] 1a5531af1c623ecd6960c05c42c22cec8a595ab457be56c7aff63c6978066c49
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9575004bdc6c4b5a30dd965f80abb4cfa7593aed3e98d9173b791d5aea1dfc
[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" "8b9575004bdc6c4b5a30dd965f80abb4cfa7593aed3e98d9173b791d5aea1dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking efficacy v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.69s
[INFO] running `Command { std: "docker" "inspect" "8b9575004bdc6c4b5a30dd965f80abb4cfa7593aed3e98d9173b791d5aea1dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9575004bdc6c4b5a30dd965f80abb4cfa7593aed3e98d9173b791d5aea1dfc", kill_on_drop: false }`
[INFO] [stdout] 8b9575004bdc6c4b5a30dd965f80abb4cfa7593aed3e98d9173b791d5aea1dfc