[INFO] fetching crate printpdf 0.6.0...
[INFO] checking printpdf-0.6.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate printpdf 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate printpdf 0.6.0 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 printpdf 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate printpdf 0.6.0
[INFO] tweaked toml for crates.io crate printpdf 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate printpdf 0.6.0 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 unicode-joining-type v0.7.0
[INFO] [stderr]   Downloaded glyph-names v0.2.0
[INFO] [stderr]   Downloaded unicode-canonical-combining-class v0.5.0
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded allsorts v0.14.1
[INFO] [stderr]   Downloaded pom v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0428b197f2e2fe9cdaf3ae293caf8d7e45725be652a27d270abae49fd060d5e6
[INFO] running `Command { std: "docker" "start" "-a" "0428b197f2e2fe9cdaf3ae293caf8d7e45725be652a27d270abae49fd060d5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0428b197f2e2fe9cdaf3ae293caf8d7e45725be652a27d270abae49fd060d5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0428b197f2e2fe9cdaf3ae293caf8d7e45725be652a27d270abae49fd060d5e6", kill_on_drop: false }`
[INFO] [stdout] 0428b197f2e2fe9cdaf3ae293caf8d7e45725be652a27d270abae49fd060d5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ad46385012ac7017c39c285ce17abc5e5d010bd549aca048e287317e4ec7d2b4
[INFO] running `Command { std: "docker" "start" "-a" "ad46385012ac7017c39c285ce17abc5e5d010bd549aca048e287317e4ec7d2b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking owned_ttf_parser v0.12.1
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]     Checking pom v3.3.0
[INFO] [stderr]     Checking lopdf v0.31.0
[INFO] [stderr]     Checking printpdf v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/ctm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/document_info.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/extgstate.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/font.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/font.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/icc_profile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/line.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/line.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> src/line.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/link_annotation.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf::{self, Object};
[INFO] [stdout]   |             ^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:36:26
[INFO] [stdout]     |
[INFO] [stdout] 36  |         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 36  -         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout] 36  +         dict.set("Type", Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/link_annotation.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 37 -         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout] 37 +         dict.set("Subtype", Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/link_annotation.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             lopdf::Object::Array(vec![
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -             lopdf::Object::Array(vec![
[INFO] [stdout] 40 +             Object::Array(vec![
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:240:26
[INFO] [stdout]     |
[INFO] [stdout] 240 |         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 240 -         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout] 240 +         dict.set("Type", Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:241:29
[INFO] [stdout]     |
[INFO] [stdout] 241 |         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 241 -         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout] 241 +         dict.set("Subtype", Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             lopdf::Object::Array(vec![
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 244 -             lopdf::Object::Array(vec![
[INFO] [stdout] 244 +             Object::Array(vec![
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/ocg.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pattern.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/pdf_document.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 194 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 194 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 215 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 215 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 237 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 237 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:546:19
[INFO] [stdout]     |
[INFO] [stdout] 546 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 546 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 546 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_metadata.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_page.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_resources.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/xmp_metadata.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/xobject.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/ctm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/document_info.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/extgstate.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/font.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/font.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/icc_profile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/line.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/line.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> src/line.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::iter::{FromIterator, IntoIterator};
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/link_annotation.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf::{self, Object};
[INFO] [stdout]   |             ^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:36:26
[INFO] [stdout]     |
[INFO] [stdout] 36  |         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 36  -         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout] 36  +         dict.set("Type", Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/link_annotation.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 37 -         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout] 37 +         dict.set("Subtype", Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/link_annotation.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             lopdf::Object::Array(vec![
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -             lopdf::Object::Array(vec![
[INFO] [stdout] 40 +             Object::Array(vec![
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:240:26
[INFO] [stdout]     |
[INFO] [stdout] 240 |         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 240 -         dict.set("Type", lopdf::Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout] 240 +         dict.set("Type", Object::Name("Annot".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:241:29
[INFO] [stdout]     |
[INFO] [stdout] 241 |         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 241 -         dict.set("Subtype", lopdf::Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout] 241 +         dict.set("Subtype", Object::Name("Link".as_bytes().to_vec()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/link_annotation.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             lopdf::Object::Array(vec![
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 244 -             lopdf::Object::Array(vec![
[INFO] [stdout] 244 +             Object::Array(vec![
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/ocg.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pattern.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]   --> src/pdf_document.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lopdf;
[INFO] [stdout]    |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 194 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 194 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 215 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 215 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 237 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 237 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/pdf_layer.rs:546:19
[INFO] [stdout]     |
[INFO] [stdout] 546 |             .push(lopdf::content::Operation::new(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 546 -             .push(lopdf::content::Operation::new(
[INFO] [stdout] 546 +             .push(Operation::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_metadata.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_page.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/pdf_resources.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/xmp_metadata.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lopdf` is imported redundantly
[INFO] [stdout]  --> src/xobject.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use lopdf;
[INFO] [stdout]   |     ^^^^^ the item `lopdf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> examples/shape.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/shape.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut line2 = Polygon {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "ad46385012ac7017c39c285ce17abc5e5d010bd549aca048e287317e4ec7d2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad46385012ac7017c39c285ce17abc5e5d010bd549aca048e287317e4ec7d2b4", kill_on_drop: false }`
[INFO] [stdout] ad46385012ac7017c39c285ce17abc5e5d010bd549aca048e287317e4ec7d2b4
[INFO] checking printpdf-0.6.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate printpdf 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate printpdf 0.6.0 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 printpdf 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate printpdf 0.6.0
[INFO] tweaked toml for crates.io crate printpdf 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate printpdf 0.6.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bbf5b4ea6081fb821025af03ee7b346592e663afe30a1756f26699d1c2a7a935
[INFO] running `Command { std: "docker" "start" "-a" "bbf5b4ea6081fb821025af03ee7b346592e663afe30a1756f26699d1c2a7a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf5b4ea6081fb821025af03ee7b346592e663afe30a1756f26699d1c2a7a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf5b4ea6081fb821025af03ee7b346592e663afe30a1756f26699d1c2a7a935", kill_on_drop: false }`
[INFO] [stdout] bbf5b4ea6081fb821025af03ee7b346592e663afe30a1756f26699d1c2a7a935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fde4fe09c25937c7c687b5e87551977071668098f60d83d45a591ab92e4c19b2
[INFO] running `Command { std: "docker" "start" "-a" "fde4fe09c25937c7c687b5e87551977071668098f60d83d45a591ab92e4c19b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[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" "fde4fe09c25937c7c687b5e87551977071668098f60d83d45a591ab92e4c19b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde4fe09c25937c7c687b5e87551977071668098f60d83d45a591ab92e4c19b2", kill_on_drop: false }`
[INFO] [stdout] fde4fe09c25937c7c687b5e87551977071668098f60d83d45a591ab92e4c19b2