[INFO] fetching crate mdtranslation 0.1.2...
[INFO] checking mdtranslation-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mdtranslation 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mdtranslation 0.1.2 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 mdtranslation 0.1.2
[INFO] finished tweaking crates.io crate mdtranslation 0.1.2
[INFO] tweaked toml for crates.io crate mdtranslation 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding pulldown-cmark v0.8.0 (latest: v0.10.2)
[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] 1df203fd3347d9d3d218df7894550c398e60738d95449dc9b9727ff841ec65cc
[INFO] running `Command { std: "docker" "start" "-a" "1df203fd3347d9d3d218df7894550c398e60738d95449dc9b9727ff841ec65cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df203fd3347d9d3d218df7894550c398e60738d95449dc9b9727ff841ec65cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df203fd3347d9d3d218df7894550c398e60738d95449dc9b9727ff841ec65cc", kill_on_drop: false }`
[INFO] [stdout] 1df203fd3347d9d3d218df7894550c398e60738d95449dc9b9727ff841ec65cc
[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] bd577cd6f8ae9b2c9914305c7311d082a68331c6cd5f4410bd86be800aa81244
[INFO] running `Command { std: "docker" "start" "-a" "bd577cd6f8ae9b2c9914305c7311d082a68331c6cd5f4410bd86be800aa81244", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking mdtranslation v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/roundtrip.rs:1263:11
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(pulldown_cmark::Tag<'event>),
[INFO] [stdout]      |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     field in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(()),
[INFO] [stdout]      |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_conservative` is never used
[INFO] [stdout]   --> src/utils/inline_group.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | / impl<'event, Iter> InlineGroupIter<'event, Iter>
[INFO] [stdout] 85 | | where
[INFO] [stdout] 86 | |     Iter: Iterator<Item = pulldown_cmark::Event<'event>>,
[INFO] [stdout]    | |_________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |       pub fn set_conservative(&mut self, conservative: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inline_groups_nonconservative` is never used
[INFO] [stdout]    --> src/utils/inline_group.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub(crate) trait InlineGroupIteratorExt<'event>:
[INFO] [stdout]     |                  ---------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn into_inline_groups_nonconservative(self) -> InlineGroupIter<'event, Self>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/roundtrip.rs:1263:11
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(pulldown_cmark::Tag<'event>),
[INFO] [stdout]      |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     field in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(()),
[INFO] [stdout]      |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "bd577cd6f8ae9b2c9914305c7311d082a68331c6cd5f4410bd86be800aa81244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd577cd6f8ae9b2c9914305c7311d082a68331c6cd5f4410bd86be800aa81244", kill_on_drop: false }`
[INFO] [stdout] bd577cd6f8ae9b2c9914305c7311d082a68331c6cd5f4410bd86be800aa81244
[INFO] checking mdtranslation-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate mdtranslation 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mdtranslation 0.1.2 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 mdtranslation 0.1.2
[INFO] finished tweaking crates.io crate mdtranslation 0.1.2
[INFO] tweaked toml for crates.io crate mdtranslation 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 8e7c0b79dd4ab2457d14543ec7840bd372790d5a011cce34deffa7a5c468fc6e
[INFO] running `Command { std: "docker" "start" "-a" "8e7c0b79dd4ab2457d14543ec7840bd372790d5a011cce34deffa7a5c468fc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e7c0b79dd4ab2457d14543ec7840bd372790d5a011cce34deffa7a5c468fc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7c0b79dd4ab2457d14543ec7840bd372790d5a011cce34deffa7a5c468fc6e", kill_on_drop: false }`
[INFO] [stdout] 8e7c0b79dd4ab2457d14543ec7840bd372790d5a011cce34deffa7a5c468fc6e
[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] 446cb339325e8bda1f5ecb9891b6494de368318db62ee851329dc5f42195c8dc
[INFO] running `Command { std: "docker" "start" "-a" "446cb339325e8bda1f5ecb9891b6494de368318db62ee851329dc5f42195c8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking mdtranslation v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/roundtrip.rs:1263:11
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(pulldown_cmark::Tag<'event>),
[INFO] [stdout]      |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     field in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(()),
[INFO] [stdout]      |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_conservative` is never used
[INFO] [stdout]   --> src/utils/inline_group.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | / impl<'event, Iter> InlineGroupIter<'event, Iter>
[INFO] [stdout] 85 | | where
[INFO] [stdout] 86 | |     Iter: Iterator<Item = pulldown_cmark::Event<'event>>,
[INFO] [stdout]    | |_________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |       pub fn set_conservative(&mut self, conservative: bool) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inline_groups_nonconservative` is never used
[INFO] [stdout]    --> src/utils/inline_group.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub(crate) trait InlineGroupIteratorExt<'event>:
[INFO] [stdout]     |                  ---------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn into_inline_groups_nonconservative(self) -> InlineGroupIter<'event, Self>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/roundtrip.rs:1263:11
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(pulldown_cmark::Tag<'event>),
[INFO] [stdout]      |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     field in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     Other(()),
[INFO] [stdout]      |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "446cb339325e8bda1f5ecb9891b6494de368318db62ee851329dc5f42195c8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446cb339325e8bda1f5ecb9891b6494de368318db62ee851329dc5f42195c8dc", kill_on_drop: false }`
[INFO] [stdout] 446cb339325e8bda1f5ecb9891b6494de368318db62ee851329dc5f42195c8dc