[INFO] fetching crate fgoxide 0.4.0...
[INFO] checking fgoxide-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fgoxide 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fgoxide 0.4.0 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] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fgoxide 0.4.0
[INFO] finished tweaking crates.io crate fgoxide 0.4.0
[INFO] tweaked toml for crates.io crate fgoxide 0.4.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding rstest v0.12.0 (latest: v0.18.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.12.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d3ebad91faa1c0a2cf9246730779d6324578d533e693cbdb22f954f6a688a29
[INFO] running `Command { std: "docker" "start" "-a" "2d3ebad91faa1c0a2cf9246730779d6324578d533e693cbdb22f954f6a688a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d3ebad91faa1c0a2cf9246730779d6324578d533e693cbdb22f954f6a688a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3ebad91faa1c0a2cf9246730779d6324578d533e693cbdb22f954f6a688a29", kill_on_drop: false }`
[INFO] [stdout] 2d3ebad91faa1c0a2cf9246730779d6324578d533e693cbdb22f954f6a688a29
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab440271140d699ad639894ec29068421f63cee895066aebe263e63699bfceb4
[INFO] running `Command { std: "docker" "start" "-a" "ab440271140d699ad639894ec29068421f63cee895066aebe263e63699bfceb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking fgoxide v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `drop` is imported redundantly
[INFO] [stdout]    --> src/iter/mod.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use std::mem::drop;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `drop` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "ab440271140d699ad639894ec29068421f63cee895066aebe263e63699bfceb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab440271140d699ad639894ec29068421f63cee895066aebe263e63699bfceb4", kill_on_drop: false }`
[INFO] [stdout] ab440271140d699ad639894ec29068421f63cee895066aebe263e63699bfceb4