[INFO] fetching crate tego 0.5.0...
[INFO] checking tego-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tego 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tego 0.5.0 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 tego 0.5.0
[INFO] finished tweaking crates.io crate tego 0.5.0
[INFO] tweaked toml for crates.io crate tego 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate tego 0.5.0 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 impl_ops v0.1.1
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded libflate v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8d91519efc1e7243b64bba08464d5a8be875812f9159d4cdc223ba189d062dad
[INFO] running `Command { std: "docker" "start" "-a" "8d91519efc1e7243b64bba08464d5a8be875812f9159d4cdc223ba189d062dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d91519efc1e7243b64bba08464d5a8be875812f9159d4cdc223ba189d062dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d91519efc1e7243b64bba08464d5a8be875812f9159d4cdc223ba189d062dad", kill_on_drop: false }`
[INFO] [stdout] 8d91519efc1e7243b64bba08464d5a8be875812f9159d4cdc223ba189d062dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c3285eed4a7aa4e088f799928c46c53edb5fa5c2b0a9fed79351a0a3183517a7
[INFO] running `Command { std: "docker" "start" "-a" "c3285eed4a7aa4e088f799928c46c53edb5fa5c2b0a9fed79351a0a3183517a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking libflate v1.1.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tego v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use base64;
[INFO] [stdout]    |     ^^^^^^ the item `base64` 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 `base64` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use base64;
[INFO] [stdout]    |     ^^^^^^ the item `base64` 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 12.75s
[INFO] running `Command { std: "docker" "inspect" "c3285eed4a7aa4e088f799928c46c53edb5fa5c2b0a9fed79351a0a3183517a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3285eed4a7aa4e088f799928c46c53edb5fa5c2b0a9fed79351a0a3183517a7", kill_on_drop: false }`
[INFO] [stdout] c3285eed4a7aa4e088f799928c46c53edb5fa5c2b0a9fed79351a0a3183517a7
[INFO] checking tego-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tego 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tego 0.5.0 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 tego 0.5.0
[INFO] finished tweaking crates.io crate tego 0.5.0
[INFO] tweaked toml for crates.io crate tego 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate tego 0.5.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b83a26bfdfcafb0b6b28feafe8131edc500cebc7a174e7d85dddcfd1fd5426d9
[INFO] running `Command { std: "docker" "start" "-a" "b83a26bfdfcafb0b6b28feafe8131edc500cebc7a174e7d85dddcfd1fd5426d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83a26bfdfcafb0b6b28feafe8131edc500cebc7a174e7d85dddcfd1fd5426d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83a26bfdfcafb0b6b28feafe8131edc500cebc7a174e7d85dddcfd1fd5426d9", kill_on_drop: false }`
[INFO] [stdout] b83a26bfdfcafb0b6b28feafe8131edc500cebc7a174e7d85dddcfd1fd5426d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8a29b8fff38beab3d85e9617e9fa1110bb6618e3a5b030b1f3bd2e5ca6159864
[INFO] running `Command { std: "docker" "start" "-a" "8a29b8fff38beab3d85e9617e9fa1110bb6618e3a5b030b1f3bd2e5ca6159864", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking libflate v1.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tego v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use base64;
[INFO] [stdout]    |     ^^^^^^ the item `base64` 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 `base64` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use base64;
[INFO] [stdout]    |     ^^^^^^ the item `base64` 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 11.26s
[INFO] running `Command { std: "docker" "inspect" "8a29b8fff38beab3d85e9617e9fa1110bb6618e3a5b030b1f3bd2e5ca6159864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a29b8fff38beab3d85e9617e9fa1110bb6618e3a5b030b1f3bd2e5ca6159864", kill_on_drop: false }`
[INFO] [stdout] 8a29b8fff38beab3d85e9617e9fa1110bb6618e3a5b030b1f3bd2e5ca6159864