[INFO] fetching crate dxf 0.5.0... [INFO] checking dxf-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate dxf 0.5.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate dxf 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 dxf 0.5.0 [INFO] finished tweaking crates.io crate dxf 0.5.0 [INFO] tweaked toml for crates.io crate dxf 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate dxf 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded xmltree v0.8.0 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded gif v0.11.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.29 [INFO] [stderr] Downloaded syn v1.0.77 [INFO] [stderr] Downloaded xml-rs v0.7.0 [INFO] [stderr] Downloaded libc v0.2.103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ba5117d714b6b4326bca00e8e6b01a6670b73f53c93b78ca6acdbf9f3f62e677 [INFO] running `Command { std: "docker" "start" "-a" "ba5117d714b6b4326bca00e8e6b01a6670b73f53c93b78ca6acdbf9f3f62e677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba5117d714b6b4326bca00e8e6b01a6670b73f53c93b78ca6acdbf9f3f62e677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba5117d714b6b4326bca00e8e6b01a6670b73f53c93b78ca6acdbf9f3f62e677", kill_on_drop: false }` [INFO] [stdout] ba5117d714b6b4326bca00e8e6b01a6670b73f53c93b78ca6acdbf9f3f62e677 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa48491fd5080af6916c46fb76fbd4572961269b9f2266a0c7be021ddd010fc5 [INFO] running `Command { std: "docker" "start" "-a" "aa48491fd5080af6916c46fb76fbd4572961269b9f2266a0c7be021ddd010fc5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling xmltree v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Compiling dxf v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/entity_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/header_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/object_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/test_helper_generator.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/drawing.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/drawing.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.89s [INFO] running `Command { std: "docker" "inspect" "aa48491fd5080af6916c46fb76fbd4572961269b9f2266a0c7be021ddd010fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa48491fd5080af6916c46fb76fbd4572961269b9f2266a0c7be021ddd010fc5", kill_on_drop: false }` [INFO] [stdout] aa48491fd5080af6916c46fb76fbd4572961269b9f2266a0c7be021ddd010fc5 [INFO] checking dxf-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate dxf 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate dxf 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 dxf 0.5.0 [INFO] finished tweaking crates.io crate dxf 0.5.0 [INFO] tweaked toml for crates.io crate dxf 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate dxf 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9684bdef3ae72af6374e86b9a8fb97da694c3048888607d3f3991136cde6b48b [INFO] running `Command { std: "docker" "start" "-a" "9684bdef3ae72af6374e86b9a8fb97da694c3048888607d3f3991136cde6b48b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9684bdef3ae72af6374e86b9a8fb97da694c3048888607d3f3991136cde6b48b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9684bdef3ae72af6374e86b9a8fb97da694c3048888607d3f3991136cde6b48b", kill_on_drop: false }` [INFO] [stdout] 9684bdef3ae72af6374e86b9a8fb97da694c3048888607d3f3991136cde6b48b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3b19aab9168c706643314c4c0c32341a39512f40b5990b51ec758b8d505a9a9f [INFO] running `Command { std: "docker" "start" "-a" "3b19aab9168c706643314c4c0c32341a39512f40b5990b51ec758b8d505a9a9f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling xmltree v0.8.0 [INFO] [stderr] Compiling dxf v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/entity_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/header_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/object_generator.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build/test_helper_generator.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/drawing.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/drawing.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.41s [INFO] running `Command { std: "docker" "inspect" "3b19aab9168c706643314c4c0c32341a39512f40b5990b51ec758b8d505a9a9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b19aab9168c706643314c4c0c32341a39512f40b5990b51ec758b8d505a9a9f", kill_on_drop: false }` [INFO] [stdout] 3b19aab9168c706643314c4c0c32341a39512f40b5990b51ec758b8d505a9a9f