[INFO] fetching crate simple_excel_writer 0.2.0...
[INFO] checking simple_excel_writer-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate simple_excel_writer 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate simple_excel_writer 0.2.0 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 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-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f7ea7f18be656b5e53cf1f5394704bde4e5be920da5f56d8906397e7dfbe408
[INFO] running `Command { std: "docker" "start" "-a" "5f7ea7f18be656b5e53cf1f5394704bde4e5be920da5f56d8906397e7dfbe408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f7ea7f18be656b5e53cf1f5394704bde4e5be920da5f56d8906397e7dfbe408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7ea7f18be656b5e53cf1f5394704bde4e5be920da5f56d8906397e7dfbe408", kill_on_drop: false }`
[INFO] [stdout] 5f7ea7f18be656b5e53cf1f5394704bde4e5be920da5f56d8906397e7dfbe408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b35426a859550aae10db605e417217660a02adaeeb778a02051dcb19a25f5e66
[INFO] running `Command { std: "docker" "start" "-a" "b35426a859550aae10db605e417217660a02adaeeb778a02051dcb19a25f5e66", 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]    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 9.42s
[INFO] running `Command { std: "docker" "inspect" "b35426a859550aae10db605e417217660a02adaeeb778a02051dcb19a25f5e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35426a859550aae10db605e417217660a02adaeeb778a02051dcb19a25f5e66", kill_on_drop: false }`
[INFO] [stdout] b35426a859550aae10db605e417217660a02adaeeb778a02051dcb19a25f5e66
[INFO] checking simple_excel_writer-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate simple_excel_writer 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate simple_excel_writer 0.2.0 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 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-5-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 04e0e17d597aa71675b6beed240551f607655fdab6b48590be5cdded36ca6987
[INFO] running `Command { std: "docker" "start" "-a" "04e0e17d597aa71675b6beed240551f607655fdab6b48590be5cdded36ca6987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e0e17d597aa71675b6beed240551f607655fdab6b48590be5cdded36ca6987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e0e17d597aa71675b6beed240551f607655fdab6b48590be5cdded36ca6987", kill_on_drop: false }`
[INFO] [stdout] 04e0e17d597aa71675b6beed240551f607655fdab6b48590be5cdded36ca6987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 70c2f37237ecb0ffdd7822c99ba7533cd33347e517ceb7a6b4fb6f47496b01fe
[INFO] running `Command { std: "docker" "start" "-a" "70c2f37237ecb0ffdd7822c99ba7533cd33347e517ceb7a6b4fb6f47496b01fe", 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 libc v0.2.50
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cc v1.0.31
[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]    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 9.77s
[INFO] running `Command { std: "docker" "inspect" "70c2f37237ecb0ffdd7822c99ba7533cd33347e517ceb7a6b4fb6f47496b01fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c2f37237ecb0ffdd7822c99ba7533cd33347e517ceb7a6b4fb6f47496b01fe", kill_on_drop: false }`
[INFO] [stdout] 70c2f37237ecb0ffdd7822c99ba7533cd33347e517ceb7a6b4fb6f47496b01fe