[INFO] fetching crate vinezombie 0.1.0...
[INFO] checking vinezombie-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate vinezombie 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate vinezombie 0.1.0 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 crates.io crate vinezombie 0.1.0
[INFO] finished tweaking crates.io crate vinezombie 0.1.0
[INFO] tweaked toml for crates.io crate vinezombie 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate vinezombie 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 803e0852ff764087d659f4950e368f109a7f2a5ef90bb899ef680f59d19a8107
[INFO] running `Command { std: "docker" "start" "-a" "803e0852ff764087d659f4950e368f109a7f2a5ef90bb899ef680f59d19a8107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803e0852ff764087d659f4950e368f109a7f2a5ef90bb899ef680f59d19a8107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803e0852ff764087d659f4950e368f109a7f2a5ef90bb899ef680f59d19a8107", kill_on_drop: false }`
[INFO] [stdout] 803e0852ff764087d659f4950e368f109a7f2a5ef90bb899ef680f59d19a8107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b6f6cf1affd354882a7553fe921d4ce3d0b1d3ba0b8d963a092aee8d460411c2
[INFO] running `Command { std: "docker" "start" "-a" "b6f6cf1affd354882a7553fe921d4ce3d0b1d3ba0b8d963a092aee8d460411c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking vinezombie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[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: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.17s
[INFO] running `Command { std: "docker" "inspect" "b6f6cf1affd354882a7553fe921d4ce3d0b1d3ba0b8d963a092aee8d460411c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f6cf1affd354882a7553fe921d4ce3d0b1d3ba0b8d963a092aee8d460411c2", kill_on_drop: false }`
[INFO] [stdout] b6f6cf1affd354882a7553fe921d4ce3d0b1d3ba0b8d963a092aee8d460411c2
[INFO] checking vinezombie-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate vinezombie 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate vinezombie 0.1.0 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 crates.io crate vinezombie 0.1.0
[INFO] finished tweaking crates.io crate vinezombie 0.1.0
[INFO] tweaked toml for crates.io crate vinezombie 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate vinezombie 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0b00da0e3afdb64e76e7ebf745201b18776333fd30fbd8df6e703a3dea78bf33
[INFO] running `Command { std: "docker" "start" "-a" "0b00da0e3afdb64e76e7ebf745201b18776333fd30fbd8df6e703a3dea78bf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b00da0e3afdb64e76e7ebf745201b18776333fd30fbd8df6e703a3dea78bf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b00da0e3afdb64e76e7ebf745201b18776333fd30fbd8df6e703a3dea78bf33", kill_on_drop: false }`
[INFO] [stdout] 0b00da0e3afdb64e76e7ebf745201b18776333fd30fbd8df6e703a3dea78bf33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 79b65cc21c62c00a8f4733dd627ada2aa04863a1fa64faf338f7ca20a22404f8
[INFO] running `Command { std: "docker" "start" "-a" "79b65cc21c62c00a8f4733dd627ada2aa04863a1fa64faf338f7ca20a22404f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking vinezombie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[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: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "79b65cc21c62c00a8f4733dd627ada2aa04863a1fa64faf338f7ca20a22404f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b65cc21c62c00a8f4733dd627ada2aa04863a1fa64faf338f7ca20a22404f8", kill_on_drop: false }`
[INFO] [stdout] 79b65cc21c62c00a8f4733dd627ada2aa04863a1fa64faf338f7ca20a22404f8