[INFO] fetching crate glifparser 2.0.0...
[INFO] checking glifparser-2.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate glifparser 2.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate glifparser 2.0.0 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] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate glifparser 2.0.0
[INFO] finished tweaking crates.io crate glifparser 2.0.0
[INFO] tweaked toml for crates.io crate glifparser 2.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]      Locking 128 packages
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[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 }`
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[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dda7340298cdc272241c5453242ede699ead1ee2107ef2f2783d97d9374d115
[INFO] running `Command { std: "docker" "start" "-a" "2dda7340298cdc272241c5453242ede699ead1ee2107ef2f2783d97d9374d115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dda7340298cdc272241c5453242ede699ead1ee2107ef2f2783d97d9374d115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dda7340298cdc272241c5453242ede699ead1ee2107ef2f2783d97d9374d115", kill_on_drop: false }`
[INFO] [stdout] 2dda7340298cdc272241c5453242ede699ead1ee2107ef2f2783d97d9374d115
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 476e79497dc27283172ddec5543fd1238b27d9a1bfbfb32985ebd8cb2cbba905
[INFO] running `Command { std: "docker" "start" "-a" "476e79497dc27283172ddec5543fd1238b27d9a1bfbfb32985ebd8cb2cbba905", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling cargo-emit v0.2.1
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[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking num-conv v0.1.0
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[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking plist v1.6.1
[INFO] [stderr]     Checking kurbo v0.9.1
[INFO] [stderr]     Checking glifparser v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/color.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/glif/read.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/image.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use image::{self, DynamicImage, io::Reader};
[INFO] [stdout]    |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kurbo` is imported redundantly
[INFO] [stdout]  --> src/outline/contour.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use kurbo;
[INFO] [stdout]   |     ^^^^^ the item `kurbo` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/outline/kurbo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/color.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/glif/read.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/image.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | use image::{self, DynamicImage, io::Reader};
[INFO] [stdout]    |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kurbo` is imported redundantly
[INFO] [stdout]  --> src/outline/contour.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use kurbo;
[INFO] [stdout]   |     ^^^^^ the item `kurbo` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/outline/kurbo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SplitKurboPath` is never used
[INFO] [stdout]    --> src/outline/kurbo.rs:129:7
[INFO] [stdout]     |
[INFO] [stdout] 129 | trait SplitKurboPath {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoKurboPointsVec` is never used
[INFO] [stdout]    --> src/outline/kurbo.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | trait IntoKurboPointsVec {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SplitKurboPath` is never used
[INFO] [stdout]    --> src/outline/kurbo.rs:129:7
[INFO] [stdout]     |
[INFO] [stdout] 129 | trait SplitKurboPath {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoKurboPointsVec` is never used
[INFO] [stdout]    --> src/outline/kurbo.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | trait IntoKurboPointsVec {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/colors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` 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 `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/components.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` 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 `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/note.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/image.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` 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 `log` is imported redundantly
[INFO] [stdout]  --> tests/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `test_log` is imported redundantly
[INFO] [stdout]  --> tests/kurbo_conv.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use test_log;
[INFO] [stdout]   |     ^^^^^^^^ the item `test_log` 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 `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/kurbo_conv.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `test_log` is imported redundantly
[INFO] [stdout]  --> tests/bugfixes/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use test_log::{self, test};
[INFO] [stdout]   |                ^^^^ the item `test_log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glifparser` is imported redundantly
[INFO] [stdout]  --> tests/guidelines.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use glifparser;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `glifparser` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.83s
[INFO] running `Command { std: "docker" "inspect" "476e79497dc27283172ddec5543fd1238b27d9a1bfbfb32985ebd8cb2cbba905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476e79497dc27283172ddec5543fd1238b27d9a1bfbfb32985ebd8cb2cbba905", kill_on_drop: false }`
[INFO] [stdout] 476e79497dc27283172ddec5543fd1238b27d9a1bfbfb32985ebd8cb2cbba905