[INFO] fetching crate pdfutil 0.4.0... [INFO] checking pdfutil-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate pdfutil 0.4.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate pdfutil 0.4.0 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 pdfutil 0.4.0 [INFO] finished tweaking crates.io crate pdfutil 0.4.0 [INFO] tweaked toml for crates.io crate pdfutil 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate pdfutil 0.4.0 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] Downloading crates ... [INFO] [stderr] Downloaded standback v0.2.11 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.68 [INFO] [stderr] Downloaded proc-macro-hack v0.5.18 [INFO] [stderr] Downloaded const_fn v0.4.2 [INFO] [stderr] Downloaded lopdf v0.26.0 [INFO] [stderr] Downloaded flate2 v1.0.18 [INFO] [stderr] Downloaded pom v3.2.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.68 [INFO] [stderr] Downloaded syn v1.0.44 [INFO] [stderr] Downloaded base-x v0.2.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.68 [INFO] [stderr] Downloaded time v0.2.22 [INFO] [stderr] Downloaded time-macros-impl v0.1.1 [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] da413fe341272be4f17306f1268531a73cbb0e076471327bd1da9d1a9b514505 [INFO] running `Command { std: "docker" "start" "-a" "da413fe341272be4f17306f1268531a73cbb0e076471327bd1da9d1a9b514505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da413fe341272be4f17306f1268531a73cbb0e076471327bd1da9d1a9b514505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da413fe341272be4f17306f1268531a73cbb0e076471327bd1da9d1a9b514505", kill_on_drop: false }` [INFO] [stdout] da413fe341272be4f17306f1268531a73cbb0e076471327bd1da9d1a9b514505 [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] 1847d53f7df90ea836cfc3a978b9490d872f8270328d47b983571fa288f2ea37 [INFO] running `Command { std: "docker" "start" "-a" "1847d53f7df90ea836cfc3a978b9490d872f8270328d47b983571fa288f2ea37", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.14 [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-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling standback v0.2.11 [INFO] [stderr] Compiling time v0.2.22 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking pom v3.2.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking flate2 v1.0.18 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking lopdf v0.26.0 [INFO] [stderr] Checking pdfutil v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | +++++++ [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 8.58s [INFO] running `Command { std: "docker" "inspect" "1847d53f7df90ea836cfc3a978b9490d872f8270328d47b983571fa288f2ea37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1847d53f7df90ea836cfc3a978b9490d872f8270328d47b983571fa288f2ea37", kill_on_drop: false }` [INFO] [stdout] 1847d53f7df90ea836cfc3a978b9490d872f8270328d47b983571fa288f2ea37 [INFO] checking pdfutil-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate pdfutil 0.4.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate pdfutil 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pdfutil 0.4.0 [INFO] finished tweaking crates.io crate pdfutil 0.4.0 [INFO] tweaked toml for crates.io crate pdfutil 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate pdfutil 0.4.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ed3f37aaf7912be5a00f05c64a336792548887ce66e875c262e275c66644536 [INFO] running `Command { std: "docker" "start" "-a" "6ed3f37aaf7912be5a00f05c64a336792548887ce66e875c262e275c66644536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ed3f37aaf7912be5a00f05c64a336792548887ce66e875c262e275c66644536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ed3f37aaf7912be5a00f05c64a336792548887ce66e875c262e275c66644536", kill_on_drop: false }` [INFO] [stdout] 6ed3f37aaf7912be5a00f05c64a336792548887ce66e875c262e275c66644536 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b483f5446b4a9ed707a2dafb92ad887ad19907464a1b697446d5259aea43152 [INFO] running `Command { std: "docker" "start" "-a" "3b483f5446b4a9ed707a2dafb92ad887ad19907464a1b697446d5259aea43152", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.14 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese 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-japanese v1.20141219.5 [INFO] [stderr] Compiling standback v0.2.11 [INFO] [stderr] Compiling time v0.2.22 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking pom v3.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking flate2 v1.0.18 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking lopdf v0.26.0 [INFO] [stderr] Checking pdfutil v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = doc.replace_text(page, words[0], words[1]); [INFO] [stdout] | +++++++ [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 10.94s [INFO] running `Command { std: "docker" "inspect" "3b483f5446b4a9ed707a2dafb92ad887ad19907464a1b697446d5259aea43152", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b483f5446b4a9ed707a2dafb92ad887ad19907464a1b697446d5259aea43152", kill_on_drop: false }` [INFO] [stdout] 3b483f5446b4a9ed707a2dafb92ad887ad19907464a1b697446d5259aea43152