[INFO] fetching crate fax_derive 0.1.0...
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] crate fax_derive 0.1.0 is already in cache
[INFO] checking fax_derive-0.1.0 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate fax_derive 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fax_derive 0.1.0 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fax_derive 0.1.0
[INFO] finished tweaking crates.io crate fax_derive 0.1.0
[INFO] tweaked toml for crates.io crate fax_derive 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29436264bf544c64e9afd4238421d3dee0ed811bd48ccb118b753c86b9ffb9c8
[INFO] running `Command { std: "docker" "start" "-a" "29436264bf544c64e9afd4238421d3dee0ed811bd48ccb118b753c86b9ffb9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29436264bf544c64e9afd4238421d3dee0ed811bd48ccb118b753c86b9ffb9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29436264bf544c64e9afd4238421d3dee0ed811bd48ccb118b753c86b9ffb9c8", kill_on_drop: false }`
[INFO] [stdout] 29436264bf544c64e9afd4238421d3dee0ed811bd48ccb118b753c86b9ffb9c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a313ab01f56dd3c692a0c2b9530b079cef3b32830a71489dcc790c96f81e82
[INFO] running `Command { std: "docker" "start" "-a" "e9a313ab01f56dd3c692a0c2b9530b079cef3b32830a71489dcc790c96f81e82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking fax_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `common_prefix_len` is never used
[INFO] [stdout]    --> src/lib.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn common_prefix_len(self, other: Bits) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `align_left` is never used
[INFO] [stdout]    --> src/lib.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn align_left(self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `size` is never used
[INFO] [stdout]    --> src/lib.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `size` is never used
[INFO] [stdout]    --> src/lib.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `common_prefix_len` is never used
[INFO] [stdout]    --> src/lib.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn common_prefix_len(self, other: Bits) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `align_left` is never used
[INFO] [stdout]    --> src/lib.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn align_left(self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `size` is never used
[INFO] [stdout]    --> src/lib.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `size` is never used
[INFO] [stdout]    --> src/lib.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "e9a313ab01f56dd3c692a0c2b9530b079cef3b32830a71489dcc790c96f81e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a313ab01f56dd3c692a0c2b9530b079cef3b32830a71489dcc790c96f81e82", kill_on_drop: false }`
[INFO] [stdout] e9a313ab01f56dd3c692a0c2b9530b079cef3b32830a71489dcc790c96f81e82