[INFO] fetching crate findshlibs 0.10.2...
[INFO] checking findshlibs-0.10.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate findshlibs 0.10.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate findshlibs 0.10.2 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] started tweaking crates.io crate findshlibs 0.10.2
[INFO] finished tweaking crates.io crate findshlibs 0.10.2
[INFO] tweaked toml for crates.io crate findshlibs 0.10.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate findshlibs 0.10.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bfdda126f3cf904b81bc4893c155d7d8ae478a5ecdeabaa395403e055c27318
[INFO] running `Command { std: "docker" "start" "-a" "8bfdda126f3cf904b81bc4893c155d7d8ae478a5ecdeabaa395403e055c27318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bfdda126f3cf904b81bc4893c155d7d8ae478a5ecdeabaa395403e055c27318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfdda126f3cf904b81bc4893c155d7d8ae478a5ecdeabaa395403e055c27318", kill_on_drop: false }`
[INFO] [stdout] 8bfdda126f3cf904b81bc4893c155d7d8ae478a5ecdeabaa395403e055c27318
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa478f25f92c1d49a782cd1309749c290c3c2bf2f27de1d4b94e8bf961af342
[INFO] running `Command { std: "docker" "start" "-a" "1fa478f25f92c1d49a782cd1309749c290c3c2bf2f27de1d4b94e8bf961af342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling findshlibs v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/linux/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` 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 `libc` is imported redundantly
[INFO] [stdout]  --> src/linux/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "1fa478f25f92c1d49a782cd1309749c290c3c2bf2f27de1d4b94e8bf961af342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa478f25f92c1d49a782cd1309749c290c3c2bf2f27de1d4b94e8bf961af342", kill_on_drop: false }`
[INFO] [stdout] 1fa478f25f92c1d49a782cd1309749c290c3c2bf2f27de1d4b94e8bf961af342
[INFO] checking findshlibs-0.10.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate findshlibs 0.10.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate findshlibs 0.10.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate findshlibs 0.10.2
[INFO] finished tweaking crates.io crate findshlibs 0.10.2
[INFO] tweaked toml for crates.io crate findshlibs 0.10.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate findshlibs 0.10.2 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f454f88573afc7b4ebf62d734403caf59990b24044ba9b7970b176d5d2ec239b
[INFO] running `Command { std: "docker" "start" "-a" "f454f88573afc7b4ebf62d734403caf59990b24044ba9b7970b176d5d2ec239b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f454f88573afc7b4ebf62d734403caf59990b24044ba9b7970b176d5d2ec239b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f454f88573afc7b4ebf62d734403caf59990b24044ba9b7970b176d5d2ec239b", kill_on_drop: false }`
[INFO] [stdout] f454f88573afc7b4ebf62d734403caf59990b24044ba9b7970b176d5d2ec239b
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1463a3c0e732ab1a45819f549601d7b8f8921711a5e4fc807468bbe49f70d29
[INFO] running `Command { std: "docker" "start" "-a" "e1463a3c0e732ab1a45819f549601d7b8f8921711a5e4fc807468bbe49f70d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling findshlibs v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/linux/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` 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 `libc` is imported redundantly
[INFO] [stdout]  --> src/linux/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` 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] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:473:39
[INFO] [stdout]     |
[INFO] [stdout] 473 |             TargetSharedLibrary::each(|_| panic!("uh oh"));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Into<IterationControl>`
[INFO] [stdout] note: required by a bound in `SharedLibrary::each`
[INFO] [stdout]    --> src/lib.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 442 |     fn each<F, C>(f: F)
[INFO] [stdout]     |        ---- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 445 |         C: Into<IterationControl>;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `SharedLibrary::each`
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 473 |             TargetSharedLibrary::each(|_| -> /* Type */ panic!("uh oh"));
[INFO] [stdout]     |                                           +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `findshlibs` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e1463a3c0e732ab1a45819f549601d7b8f8921711a5e4fc807468bbe49f70d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1463a3c0e732ab1a45819f549601d7b8f8921711a5e4fc807468bbe49f70d29", kill_on_drop: false }`
[INFO] [stdout] e1463a3c0e732ab1a45819f549601d7b8f8921711a5e4fc807468bbe49f70d29