[INFO] cloning repository https://github.com/osinmv/rfw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osinmv/rfw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosinmv%2Frfw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosinmv%2Frfw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84f5c3055cfb5ba3996d7a164634550f34d5153c
[INFO] checking osinmv/rfw against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosinmv%2Frfw" "/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/osinmv/rfw 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/osinmv/rfw
[INFO] finished tweaking git repo https://github.com/osinmv/rfw
[INFO] tweaked toml for git repo https://github.com/osinmv/rfw written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/osinmv/rfw 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] 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] be49500734335acf424714af6d4f0e8058de8c5d1ca5c1801fdf35223d60ac0b
[INFO] running `Command { std: "docker" "start" "-a" "be49500734335acf424714af6d4f0e8058de8c5d1ca5c1801fdf35223d60ac0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be49500734335acf424714af6d4f0e8058de8c5d1ca5c1801fdf35223d60ac0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be49500734335acf424714af6d4f0e8058de8c5d1ca5c1801fdf35223d60ac0b", kill_on_drop: false }`
[INFO] [stdout] be49500734335acf424714af6d4f0e8058de8c5d1ca5c1801fdf35223d60ac0b
[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] c493bb746c88df10ca6d55e2783c50d8a0ebb4983ace14094f5c1445322edec4
[INFO] running `Command { std: "docker" "start" "-a" "c493bb746c88df10ca6d55e2783c50d8a0ebb4983ace14094f5c1445322edec4", kill_on_drop: false }`
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking rfw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/iptables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/iptables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[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 0.18s
[INFO] running `Command { std: "docker" "inspect" "c493bb746c88df10ca6d55e2783c50d8a0ebb4983ace14094f5c1445322edec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c493bb746c88df10ca6d55e2783c50d8a0ebb4983ace14094f5c1445322edec4", kill_on_drop: false }`
[INFO] [stdout] c493bb746c88df10ca6d55e2783c50d8a0ebb4983ace14094f5c1445322edec4
[INFO] checking osinmv/rfw against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosinmv%2Frfw" "/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/osinmv/rfw 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/osinmv/rfw
[INFO] finished tweaking git repo https://github.com/osinmv/rfw
[INFO] tweaked toml for git repo https://github.com/osinmv/rfw written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/osinmv/rfw 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] 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] db17fa9230421e59cb74e132711f8ac79e185f947167d9c62deec2bbe2b2be45
[INFO] running `Command { std: "docker" "start" "-a" "db17fa9230421e59cb74e132711f8ac79e185f947167d9c62deec2bbe2b2be45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db17fa9230421e59cb74e132711f8ac79e185f947167d9c62deec2bbe2b2be45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db17fa9230421e59cb74e132711f8ac79e185f947167d9c62deec2bbe2b2be45", kill_on_drop: false }`
[INFO] [stdout] db17fa9230421e59cb74e132711f8ac79e185f947167d9c62deec2bbe2b2be45
[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] afb9d2a611b70d3e1851c6fd99fccdd69f9d40a4e0e52820a0bbcf4aab39271a
[INFO] running `Command { std: "docker" "start" "-a" "afb9d2a611b70d3e1851c6fd99fccdd69f9d40a4e0e52820a0bbcf4aab39271a", kill_on_drop: false }`
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking rfw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/iptables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/iptables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "afb9d2a611b70d3e1851c6fd99fccdd69f9d40a4e0e52820a0bbcf4aab39271a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb9d2a611b70d3e1851c6fd99fccdd69f9d40a4e0e52820a0bbcf4aab39271a", kill_on_drop: false }`
[INFO] [stdout] afb9d2a611b70d3e1851c6fd99fccdd69f9d40a4e0e52820a0bbcf4aab39271a