[INFO] fetching crate azalea-nbt 0.8.0...
[INFO] checking azalea-nbt-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate azalea-nbt 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate azalea-nbt 0.8.0 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 azalea-nbt 0.8.0
[INFO] finished tweaking crates.io crate azalea-nbt 0.8.0
[INFO] tweaked toml for crates.io crate azalea-nbt 0.8.0 written to /workspace/builds/worker-6-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 96 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding azalea-buf v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding azalea-buf-macros v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding valence_nbt v0.7.0 (latest: v0.8.0)
[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 graphite_binary_macros v0.1.0
[INFO] [stderr]   Downloaded azalea-buf-macros v0.8.0
[INFO] [stderr]   Downloaded azalea-buf v0.8.0
[INFO] [stderr]   Downloaded enum-as-inner v0.6.0
[INFO] [stderr]   Downloaded fastnbt v2.5.0
[INFO] [stderr]   Downloaded graphite_binary v0.1.0
[INFO] [stderr]   Downloaded valence_nbt v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2674e6f36f81ae9b1914b7da8690ad045c13d06b24f19101ced0ec69f97c0b7
[INFO] running `Command { std: "docker" "start" "-a" "f2674e6f36f81ae9b1914b7da8690ad045c13d06b24f19101ced0ec69f97c0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2674e6f36f81ae9b1914b7da8690ad045c13d06b24f19101ced0ec69f97c0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2674e6f36f81ae9b1914b7da8690ad045c13d06b24f19101ced0ec69f97c0b7", kill_on_drop: false }`
[INFO] [stdout] f2674e6f36f81ae9b1914b7da8690ad045c13d06b24f19101ced0ec69f97c0b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 99b9c5d6fe546212b4b76d9c5ca45b41b1529658724032ac18f2dfda657187f2
[INFO] running `Command { std: "docker" "start" "-a" "99b9c5d6fe546212b4b76d9c5ca45b41b1529658724032ac18f2dfda657187f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking valence_nbt v0.7.0
[INFO] [stderr]    Compiling graphite_binary_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling azalea-buf-macros v0.8.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking azalea-buf v0.8.0
[INFO] [stderr]     Checking graphite_binary v0.1.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking fastnbt v2.5.0
[INFO] [stderr]     Checking azalea-nbt v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: the item `NbtCompound` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use crate::tag::NbtCompound;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     use super::*;
[INFO] [stdout]    |         -------- the item `NbtCompound` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "99b9c5d6fe546212b4b76d9c5ca45b41b1529658724032ac18f2dfda657187f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b9c5d6fe546212b4b76d9c5ca45b41b1529658724032ac18f2dfda657187f2", kill_on_drop: false }`
[INFO] [stdout] 99b9c5d6fe546212b4b76d9c5ca45b41b1529658724032ac18f2dfda657187f2
[INFO] checking azalea-nbt-0.8.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate azalea-nbt 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate azalea-nbt 0.8.0 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 azalea-nbt 0.8.0
[INFO] finished tweaking crates.io crate azalea-nbt 0.8.0
[INFO] tweaked toml for crates.io crate azalea-nbt 0.8.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1f001b5b7440512e58bad294805fae5d708371aae86bc1a8d5a6d52a252cb65e
[INFO] running `Command { std: "docker" "start" "-a" "1f001b5b7440512e58bad294805fae5d708371aae86bc1a8d5a6d52a252cb65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f001b5b7440512e58bad294805fae5d708371aae86bc1a8d5a6d52a252cb65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f001b5b7440512e58bad294805fae5d708371aae86bc1a8d5a6d52a252cb65e", kill_on_drop: false }`
[INFO] [stdout] 1f001b5b7440512e58bad294805fae5d708371aae86bc1a8d5a6d52a252cb65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 062fd01d16aec1f0e4bae8661cb283f0d8c624b8476bc32021b80a8438c26b6a
[INFO] running `Command { std: "docker" "start" "-a" "062fd01d16aec1f0e4bae8661cb283f0d8c624b8476bc32021b80a8438c26b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking valence_nbt v0.7.0
[INFO] [stderr]    Compiling graphite_binary_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling azalea-buf-macros v0.8.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking azalea-buf v0.8.0
[INFO] [stderr]     Checking graphite_binary v0.1.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking fastnbt v2.5.0
[INFO] [stderr]     Checking azalea-nbt v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: the item `NbtCompound` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use crate::tag::NbtCompound;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     use super::*;
[INFO] [stdout]    |         -------- the item `NbtCompound` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "062fd01d16aec1f0e4bae8661cb283f0d8c624b8476bc32021b80a8438c26b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062fd01d16aec1f0e4bae8661cb283f0d8c624b8476bc32021b80a8438c26b6a", kill_on_drop: false }`
[INFO] [stdout] 062fd01d16aec1f0e4bae8661cb283f0d8c624b8476bc32021b80a8438c26b6a