[INFO] fetching crate simple_excel_writer 0.2.0...
[INFO] checking simple_excel_writer-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate simple_excel_writer 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate simple_excel_writer 0.2.0 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_excel_writer 0.2.0
[INFO] finished tweaking crates.io crate simple_excel_writer 0.2.0
[INFO] tweaked toml for crates.io crate simple_excel_writer 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate simple_excel_writer 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] [stderr]   Downloaded libc v0.2.50
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce62cbceda9ef713be9cf61b4d9f11777d81743de5a8370422dd5268dd485e7a
[INFO] running `Command { std: "docker" "start" "-a" "ce62cbceda9ef713be9cf61b4d9f11777d81743de5a8370422dd5268dd485e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce62cbceda9ef713be9cf61b4d9f11777d81743de5a8370422dd5268dd485e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce62cbceda9ef713be9cf61b4d9f11777d81743de5a8370422dd5268dd485e7a", kill_on_drop: false }`
[INFO] [stdout] ce62cbceda9ef713be9cf61b4d9f11777d81743de5a8370422dd5268dd485e7a
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf562318ae24546c727026988afeca126f0781ca32cfd8a31ecd956de6b0df9
[INFO] running `Command { std: "docker" "start" "-a" "dbf562318ae24546c727026988afeca126f0781ca32cfd8a31ecd956de6b0df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking simple_excel_writer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "dbf562318ae24546c727026988afeca126f0781ca32cfd8a31ecd956de6b0df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf562318ae24546c727026988afeca126f0781ca32cfd8a31ecd956de6b0df9", kill_on_drop: false }`
[INFO] [stdout] dbf562318ae24546c727026988afeca126f0781ca32cfd8a31ecd956de6b0df9
[INFO] checking simple_excel_writer-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate simple_excel_writer 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate simple_excel_writer 0.2.0 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_excel_writer 0.2.0
[INFO] finished tweaking crates.io crate simple_excel_writer 0.2.0
[INFO] tweaked toml for crates.io crate simple_excel_writer 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate simple_excel_writer 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c2135b6a1655ae7b476023b5af59ce51330b4e0bf32da5ac01ebf9266e2a01
[INFO] running `Command { std: "docker" "start" "-a" "b4c2135b6a1655ae7b476023b5af59ce51330b4e0bf32da5ac01ebf9266e2a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c2135b6a1655ae7b476023b5af59ce51330b4e0bf32da5ac01ebf9266e2a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c2135b6a1655ae7b476023b5af59ce51330b4e0bf32da5ac01ebf9266e2a01", kill_on_drop: false }`
[INFO] [stdout] b4c2135b6a1655ae7b476023b5af59ce51330b4e0bf32da5ac01ebf9266e2a01
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4115d5065fa07180c7eea52457e2c0da813549b030175ebb7bb73d610e5ba8f
[INFO] running `Command { std: "docker" "start" "-a" "b4115d5065fa07180c7eea52457e2c0da813549b030175ebb7bb73d610e5ba8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.2.1/src/inflate/core.rs:1095:9
[INFO] [stdout]      |
[INFO] [stdout] 1095 | /         match state {
[INFO] [stdout] 1096 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1097 | |                 l.bit_buf = 0;
[INFO] [stdout] 1098 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1626 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1627 | |         };
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4115d5065fa07180c7eea52457e2c0da813549b030175ebb7bb73d610e5ba8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4115d5065fa07180c7eea52457e2c0da813549b030175ebb7bb73d610e5ba8f", kill_on_drop: false }`
[INFO] [stdout] b4115d5065fa07180c7eea52457e2c0da813549b030175ebb7bb73d610e5ba8f