[INFO] cloning repository https://github.com/mewosmith/x4balancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mewosmith/x4balancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fx4balancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fx4balancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27457cc132af70b1124dc0b659133e8b9233ccd8
[INFO] checking mewosmith/x4balancer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fx4balancer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mewosmith/x4balancer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mewosmith/x4balancer
[INFO] finished tweaking git repo https://github.com/mewosmith/x4balancer
[INFO] tweaked toml for git repo https://github.com/mewosmith/x4balancer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mewosmith/x4balancer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.features
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded simple_xml_serialize_macro v0.2.1
[INFO] [stderr]   Downloaded yaserde v0.3.7
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded simple_logger v1.3.0
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded simple_xml_serialize v0.2.3
[INFO] [stderr]   Downloaded yaserde_derive v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df7939808006654972cb756b9465f38bf733d626536858fdfd9f179ad7f7fd4
[INFO] running `Command { std: "docker" "start" "-a" "8df7939808006654972cb756b9465f38bf733d626536858fdfd9f179ad7f7fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df7939808006654972cb756b9465f38bf733d626536858fdfd9f179ad7f7fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df7939808006654972cb756b9465f38bf733d626536858fdfd9f179ad7f7fd4", kill_on_drop: false }`
[INFO] [stdout] 8df7939808006654972cb756b9465f38bf733d626536858fdfd9f179ad7f7fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2860e4882bb02de8d483f03e9e1d47cee87835fe0ae674182f344c24be942b1
[INFO] running `Command { std: "docker" "start" "-a" "e2860e4882bb02de8d483f03e9e1d47cee87835fe0ae674182f344c24be942b1", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.features
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking simple_xml_serialize v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking yaserde v0.3.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling yaserde_derive v0.3.7
[INFO] [stderr]    Compiling simple_xml_serialize_macro v0.2.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking x4balancer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Any`, `TypeId`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `TypeId`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.74s
[INFO] running `Command { std: "docker" "inspect" "e2860e4882bb02de8d483f03e9e1d47cee87835fe0ae674182f344c24be942b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2860e4882bb02de8d483f03e9e1d47cee87835fe0ae674182f344c24be942b1", kill_on_drop: false }`
[INFO] [stdout] e2860e4882bb02de8d483f03e9e1d47cee87835fe0ae674182f344c24be942b1
[INFO] checking mewosmith/x4balancer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fx4balancer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mewosmith/x4balancer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mewosmith/x4balancer
[INFO] finished tweaking git repo https://github.com/mewosmith/x4balancer
[INFO] tweaked toml for git repo https://github.com/mewosmith/x4balancer written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mewosmith/x4balancer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.features
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34b75e1ece7cf52257e940a8fb66d7c836291ead8a1055fce6759f29e2a5fb38
[INFO] running `Command { std: "docker" "start" "-a" "34b75e1ece7cf52257e940a8fb66d7c836291ead8a1055fce6759f29e2a5fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b75e1ece7cf52257e940a8fb66d7c836291ead8a1055fce6759f29e2a5fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b75e1ece7cf52257e940a8fb66d7c836291ead8a1055fce6759f29e2a5fb38", kill_on_drop: false }`
[INFO] [stdout] 34b75e1ece7cf52257e940a8fb66d7c836291ead8a1055fce6759f29e2a5fb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3dbcccdb3f1d539a950aae78e0a95b6e48b5c867dd342ec9926a2fcda64abb
[INFO] running `Command { std: "docker" "start" "-a" "4c3dbcccdb3f1d539a950aae78e0a95b6e48b5c867dd342ec9926a2fcda64abb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.features
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking simple_xml_serialize v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking yaserde v0.3.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling simple_xml_serialize_macro v0.2.1
[INFO] [stderr]    Compiling yaserde_derive v0.3.7
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking x4balancer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Any`, `TypeId`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `TypeId`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.71s
[INFO] running `Command { std: "docker" "inspect" "4c3dbcccdb3f1d539a950aae78e0a95b6e48b5c867dd342ec9926a2fcda64abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3dbcccdb3f1d539a950aae78e0a95b6e48b5c867dd342ec9926a2fcda64abb", kill_on_drop: false }`
[INFO] [stdout] 4c3dbcccdb3f1d539a950aae78e0a95b6e48b5c867dd342ec9926a2fcda64abb