[INFO] fetching crate c2-mmap-gpio 0.2.1...
[INFO] checking c2-mmap-gpio-0.2.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate c2-mmap-gpio 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate c2-mmap-gpio 0.2.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c2-mmap-gpio 0.2.1
[INFO] finished tweaking crates.io crate c2-mmap-gpio 0.2.1
[INFO] tweaked toml for crates.io crate c2-mmap-gpio 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate c2-mmap-gpio 0.2.1 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-try-from-primitive v1.0.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded nix v0.19.0
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccede227f408139980e51aa023d80aac7efa32f14936eb5f0e4096eb4ab67918
[INFO] running `Command { std: "docker" "start" "-a" "ccede227f408139980e51aa023d80aac7efa32f14936eb5f0e4096eb4ab67918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccede227f408139980e51aa023d80aac7efa32f14936eb5f0e4096eb4ab67918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccede227f408139980e51aa023d80aac7efa32f14936eb5f0e4096eb4ab67918", kill_on_drop: false }`
[INFO] [stdout] ccede227f408139980e51aa023d80aac7efa32f14936eb5f0e4096eb4ab67918
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b37bfa1386832ab15e74a36b38abe2e2b33104f44c08d669237f56c79b69fe59
[INFO] running `Command { std: "docker" "start" "-a" "b37bfa1386832ab15e74a36b38abe2e2b33104f44c08d669237f56c79b69fe59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking c2-mmap-gpio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/device/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/device/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` 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 3.36s
[INFO] running `Command { std: "docker" "inspect" "b37bfa1386832ab15e74a36b38abe2e2b33104f44c08d669237f56c79b69fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37bfa1386832ab15e74a36b38abe2e2b33104f44c08d669237f56c79b69fe59", kill_on_drop: false }`
[INFO] [stdout] b37bfa1386832ab15e74a36b38abe2e2b33104f44c08d669237f56c79b69fe59
