[INFO] fetching crate fdir 0.1.10...
[INFO] checking fdir-0.1.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fdir 0.1.10 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate fdir 0.1.10 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 fdir 0.1.10
[INFO] finished tweaking crates.io crate fdir 0.1.10
[INFO] tweaked toml for crates.io crate fdir 0.1.10 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate fdir 0.1.10 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5b3011aae85fdd26e548e958fa415ade2dabe1e7c86f15dad19990b100cccd28
[INFO] running `Command { std: "docker" "start" "-a" "5b3011aae85fdd26e548e958fa415ade2dabe1e7c86f15dad19990b100cccd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3011aae85fdd26e548e958fa415ade2dabe1e7c86f15dad19990b100cccd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3011aae85fdd26e548e958fa415ade2dabe1e7c86f15dad19990b100cccd28", kill_on_drop: false }`
[INFO] [stdout] 5b3011aae85fdd26e548e958fa415ade2dabe1e7c86f15dad19990b100cccd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9baa4dff8ff1dafbec436618d6bf911b5e65af10d9f2487c449a7150844f76d9
[INFO] running `Command { std: "docker" "start" "-a" "9baa4dff8ff1dafbec436618d6bf911b5e65af10d9f2487c449a7150844f76d9", kill_on_drop: false }`
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking fdir v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::OpenOptions`, `io::Write`
[INFO] [stdout]  --> examples/md.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::Write};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `DirectoryInfo`, `Info`
[INFO] [stdout]  --> examples/md.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fdir::{DirectoryInfo, Action, Info};
[INFO] [stdout]   |            ^^^^^^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9baa4dff8ff1dafbec436618d6bf911b5e65af10d9f2487c449a7150844f76d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9baa4dff8ff1dafbec436618d6bf911b5e65af10d9f2487c449a7150844f76d9", kill_on_drop: false }`
[INFO] [stdout] 9baa4dff8ff1dafbec436618d6bf911b5e65af10d9f2487c449a7150844f76d9
[INFO] checking fdir-0.1.10 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate fdir 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate fdir 0.1.10 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 fdir 0.1.10
[INFO] finished tweaking crates.io crate fdir 0.1.10
[INFO] tweaked toml for crates.io crate fdir 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate fdir 0.1.10 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c1fc87a2136a0226840fe29e76c140292cf44fb0711fb9d21588250590a7d22b
[INFO] running `Command { std: "docker" "start" "-a" "c1fc87a2136a0226840fe29e76c140292cf44fb0711fb9d21588250590a7d22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1fc87a2136a0226840fe29e76c140292cf44fb0711fb9d21588250590a7d22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fc87a2136a0226840fe29e76c140292cf44fb0711fb9d21588250590a7d22b", kill_on_drop: false }`
[INFO] [stdout] c1fc87a2136a0226840fe29e76c140292cf44fb0711fb9d21588250590a7d22b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 478f7d084cd3cd75fd96281e004e4948234fbb7ff77e2b732ec6cec6d58ffc30
[INFO] running `Command { std: "docker" "start" "-a" "478f7d084cd3cd75fd96281e004e4948234fbb7ff77e2b732ec6cec6d58ffc30", kill_on_drop: false }`
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking fdir v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::OpenOptions`, `io::Write`
[INFO] [stdout]  --> examples/md.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::OpenOptions, io::Write};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `DirectoryInfo`, `Info`
[INFO] [stdout]  --> examples/md.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fdir::{DirectoryInfo, Action, Info};
[INFO] [stdout]   |            ^^^^^^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "478f7d084cd3cd75fd96281e004e4948234fbb7ff77e2b732ec6cec6d58ffc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478f7d084cd3cd75fd96281e004e4948234fbb7ff77e2b732ec6cec6d58ffc30", kill_on_drop: false }`
[INFO] [stdout] 478f7d084cd3cd75fd96281e004e4948234fbb7ff77e2b732ec6cec6d58ffc30