[INFO] cloning repository https://github.com/dnaka91/cargo-bup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnaka91/cargo-bup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcargo-bup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcargo-bup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4e9c21a10cdbd53252155e281887d9f3f32af49
[INFO] checking dnaka91/cargo-bup against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcargo-bup" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnaka91/cargo-bup 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/dnaka91/cargo-bup
[INFO] finished tweaking git repo https://github.com/dnaka91/cargo-bup
[INFO] tweaked toml for git repo https://github.com/dnaka91/cargo-bup written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dnaka91/cargo-bup 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "36f468d511f4efdff80f7b80b3b1693a20648be382c377dda259aa2fc52038cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f468d511f4efdff80f7b80b3b1693a20648be382c377dda259aa2fc52038cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f468d511f4efdff80f7b80b3b1693a20648be382c377dda259aa2fc52038cd", kill_on_drop: false }`
[INFO] [stdout] 36f468d511f4efdff80f7b80b3b1693a20648be382c377dda259aa2fc52038cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 08a62aeb5244e6e1d575c335350e9801fefe41d9679decfb97c62bedca94fc74
[INFO] running `Command { std: "docker" "start" "-a" "08a62aeb5244e6e1d575c335350e9801fefe41d9679decfb97c62bedca94fc74", kill_on_drop: false }`
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[INFO] [stderr]     Checking gix-refspec v0.22.0
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[INFO] [stderr]     Checking gix-worktree v0.30.0
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[INFO] [stderr]     Checking gix-submodule v0.8.0
[INFO] [stderr]     Checking gix v0.58.0
[INFO] [stderr]     Checking crates-index v2.5.1
[INFO] [stderr]     Checking cargo-bup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `version_req`, `target`, and `rustc` are never read
[INFO] [stdout]    --> src/cargo.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct InstallInfo {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 242 |     pub version_req: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub target: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub rustc: Option<VersionMeta>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InstallInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version_req`, `target`, and `rustc` are never read
[INFO] [stdout]    --> src/cargo.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct InstallInfo {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 242 |     pub version_req: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub target: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub rustc: Option<VersionMeta>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InstallInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 35.44s
[INFO] running `Command { std: "docker" "inspect" "08a62aeb5244e6e1d575c335350e9801fefe41d9679decfb97c62bedca94fc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a62aeb5244e6e1d575c335350e9801fefe41d9679decfb97c62bedca94fc74", kill_on_drop: false }`
[INFO] [stdout] 08a62aeb5244e6e1d575c335350e9801fefe41d9679decfb97c62bedca94fc74
[INFO] checking dnaka91/cargo-bup against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcargo-bup" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnaka91/cargo-bup 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/dnaka91/cargo-bup
[INFO] finished tweaking git repo https://github.com/dnaka91/cargo-bup
[INFO] tweaked toml for git repo https://github.com/dnaka91/cargo-bup written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dnaka91/cargo-bup 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 302cdbfb2490980331281141a72617eca8488204f9a0be3c6fc8debe7333d99a
[INFO] running `Command { std: "docker" "start" "-a" "302cdbfb2490980331281141a72617eca8488204f9a0be3c6fc8debe7333d99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302cdbfb2490980331281141a72617eca8488204f9a0be3c6fc8debe7333d99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302cdbfb2490980331281141a72617eca8488204f9a0be3c6fc8debe7333d99a", kill_on_drop: false }`
[INFO] [stdout] 302cdbfb2490980331281141a72617eca8488204f9a0be3c6fc8debe7333d99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd260c5f56c9ed785ee22fc06b60ed06a99a629cd4b9b37586076e1d7a9d3d69
[INFO] running `Command { std: "docker" "start" "-a" "dd260c5f56c9ed785ee22fc06b60ed06a99a629cd4b9b37586076e1d7a9d3d69", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `version_req`, `target`, and `rustc` are never read
[INFO] [stdout]    --> src/cargo.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct InstallInfo {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 242 |     pub version_req: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub target: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub rustc: Option<VersionMeta>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InstallInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version_req`, `target`, and `rustc` are never read
[INFO] [stdout]    --> src/cargo.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct InstallInfo {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 242 |     pub version_req: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub target: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub rustc: Option<VersionMeta>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InstallInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 27.05s
[INFO] running `Command { std: "docker" "inspect" "dd260c5f56c9ed785ee22fc06b60ed06a99a629cd4b9b37586076e1d7a9d3d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd260c5f56c9ed785ee22fc06b60ed06a99a629cd4b9b37586076e1d7a9d3d69", kill_on_drop: false }`
[INFO] [stdout] dd260c5f56c9ed785ee22fc06b60ed06a99a629cd4b9b37586076e1d7a9d3d69