[INFO] cloning repository https://github.com/urbanslug/pdf-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urbanslug/pdf-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furbanslug%2Fpdf-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furbanslug%2Fpdf-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c222e7f50b79e84a3f396f7875d5ac0ec8940af
[INFO] checking urbanslug/pdf-analyzer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furbanslug%2Fpdf-analyzer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urbanslug/pdf-analyzer 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/urbanslug/pdf-analyzer
[INFO] finished tweaking git repo https://github.com/urbanslug/pdf-analyzer
[INFO] tweaked toml for git repo https://github.com/urbanslug/pdf-analyzer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/urbanslug/pdf-analyzer 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 pdf_derive v0.1.17
[INFO] [stderr]   Downloaded adobe-cmap-parser v0.3.3
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded pdf v0.6.3
[INFO] [stderr]   Downloaded pom v3.0.2
[INFO] [stderr]   Downloaded lopdf v0.23.0
[INFO] [stderr]   Downloaded pdf-extract v0.6.1
[INFO] [stderr]   Downloaded tuple v0.4.2
[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] 232a261d97c40b3b050e760f022a6033c32eb9306a5cc3fbcce48cdf15886567
[INFO] running `Command { std: "docker" "start" "-a" "232a261d97c40b3b050e760f022a6033c32eb9306a5cc3fbcce48cdf15886567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232a261d97c40b3b050e760f022a6033c32eb9306a5cc3fbcce48cdf15886567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232a261d97c40b3b050e760f022a6033c32eb9306a5cc3fbcce48cdf15886567", kill_on_drop: false }`
[INFO] [stdout] 232a261d97c40b3b050e760f022a6033c32eb9306a5cc3fbcce48cdf15886567
[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] f465d563b3d738f211d9c29a7d95ef8ae02c2afe9097bc4771e7b3a1f22eaeed
[INFO] running `Command { std: "docker" "start" "-a" "f465d563b3d738f211d9c29a7d95ef8ae02c2afe9097bc4771e7b3a1f22eaeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.3.3
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling pdf_derive v0.1.17
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking lopdf v0.23.0
[INFO] [stderr]     Checking euclid v0.15.6
[INFO] [stderr]     Checking tuple v0.4.2
[INFO] [stderr]     Checking pdf-extract v0.6.1
[INFO] [stderr]     Checking pdf v0.6.3
[INFO] [stderr]     Checking analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "f465d563b3d738f211d9c29a7d95ef8ae02c2afe9097bc4771e7b3a1f22eaeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f465d563b3d738f211d9c29a7d95ef8ae02c2afe9097bc4771e7b3a1f22eaeed", kill_on_drop: false }`
[INFO] [stdout] f465d563b3d738f211d9c29a7d95ef8ae02c2afe9097bc4771e7b3a1f22eaeed
[INFO] checking urbanslug/pdf-analyzer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furbanslug%2Fpdf-analyzer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urbanslug/pdf-analyzer 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/urbanslug/pdf-analyzer
[INFO] finished tweaking git repo https://github.com/urbanslug/pdf-analyzer
[INFO] tweaked toml for git repo https://github.com/urbanslug/pdf-analyzer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/urbanslug/pdf-analyzer 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] 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] beae2760be7addfc440b67d85ea1b52057347df72de3794f99a54cd3735120db
[INFO] running `Command { std: "docker" "start" "-a" "beae2760be7addfc440b67d85ea1b52057347df72de3794f99a54cd3735120db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beae2760be7addfc440b67d85ea1b52057347df72de3794f99a54cd3735120db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beae2760be7addfc440b67d85ea1b52057347df72de3794f99a54cd3735120db", kill_on_drop: false }`
[INFO] [stdout] beae2760be7addfc440b67d85ea1b52057347df72de3794f99a54cd3735120db
[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] bccfb4c37ce854d7aa45358b5c27cd2273d84c0f91e8250150fa10e3795f7223
[INFO] running `Command { std: "docker" "start" "-a" "bccfb4c37ce854d7aa45358b5c27cd2273d84c0f91e8250150fa10e3795f7223", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]     Checking adobe-cmap-parser v0.3.3
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling pdf_derive v0.1.17
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking lopdf v0.23.0
[INFO] [stderr]     Checking tuple v0.4.2
[INFO] [stderr]     Checking euclid v0.15.6
[INFO] [stderr]     Checking pdf-extract v0.6.1
[INFO] [stderr]     Checking pdf v0.6.3
[INFO] [stderr]     Checking analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "bccfb4c37ce854d7aa45358b5c27cd2273d84c0f91e8250150fa10e3795f7223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bccfb4c37ce854d7aa45358b5c27cd2273d84c0f91e8250150fa10e3795f7223", kill_on_drop: false }`
[INFO] [stdout] bccfb4c37ce854d7aa45358b5c27cd2273d84c0f91e8250150fa10e3795f7223