[INFO] fetching crate simple-anvil 0.3.3...
[INFO] checking simple-anvil-0.3.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate simple-anvil 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate simple-anvil 0.3.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-anvil 0.3.3
[INFO] finished tweaking crates.io crate simple-anvil 0.3.3
[INFO] tweaked toml for crates.io crate simple-anvil 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hematite-nbt v0.5.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56883ae598101c902bfe746e5ff9ced9f1c0423c4bf40e9eab0afb952282deef
[INFO] running `Command { std: "docker" "start" "-a" "56883ae598101c902bfe746e5ff9ced9f1c0423c4bf40e9eab0afb952282deef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56883ae598101c902bfe746e5ff9ced9f1c0423c4bf40e9eab0afb952282deef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56883ae598101c902bfe746e5ff9ced9f1c0423c4bf40e9eab0afb952282deef", kill_on_drop: false }`
[INFO] [stdout] 56883ae598101c902bfe746e5ff9ced9f1c0423c4bf40e9eab0afb952282deef
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeeeb998bc2001bc1c87dadf0f1d0ae7353458abc488901b47ce8916cf426932
[INFO] running `Command { std: "docker" "start" "-a" "eeeeb998bc2001bc1c87dadf0f1d0ae7353458abc488901b47ce8916cf426932", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking hematite-nbt v0.5.2
[INFO] [stderr]     Checking simple-anvil v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/region.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::TryInto,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/region.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::TryInto,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "eeeeb998bc2001bc1c87dadf0f1d0ae7353458abc488901b47ce8916cf426932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeeb998bc2001bc1c87dadf0f1d0ae7353458abc488901b47ce8916cf426932", kill_on_drop: false }`
[INFO] [stdout] eeeeb998bc2001bc1c87dadf0f1d0ae7353458abc488901b47ce8916cf426932
[INFO] checking simple-anvil-0.3.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate simple-anvil 0.3.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simple-anvil 0.3.3 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-anvil 0.3.3
[INFO] finished tweaking crates.io crate simple-anvil 0.3.3
[INFO] tweaked toml for crates.io crate simple-anvil 0.3.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0920074ee7db2939db05267b6a2d667359bc78744f535e4a617bc2953bddeb52
[INFO] running `Command { std: "docker" "start" "-a" "0920074ee7db2939db05267b6a2d667359bc78744f535e4a617bc2953bddeb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0920074ee7db2939db05267b6a2d667359bc78744f535e4a617bc2953bddeb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0920074ee7db2939db05267b6a2d667359bc78744f535e4a617bc2953bddeb52", kill_on_drop: false }`
[INFO] [stdout] 0920074ee7db2939db05267b6a2d667359bc78744f535e4a617bc2953bddeb52
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff7d80a2ff3690c31ec2dd0ed736adfe0a2367280eb5301c00c8a4037607b79
[INFO] running `Command { std: "docker" "start" "-a" "3ff7d80a2ff3690c31ec2dd0ed736adfe0a2367280eb5301c00c8a4037607b79", kill_on_drop: false }`
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ff7d80a2ff3690c31ec2dd0ed736adfe0a2367280eb5301c00c8a4037607b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff7d80a2ff3690c31ec2dd0ed736adfe0a2367280eb5301c00c8a4037607b79", kill_on_drop: false }`
[INFO] [stdout] 3ff7d80a2ff3690c31ec2dd0ed736adfe0a2367280eb5301c00c8a4037607b79