[INFO] fetching crate fax_derive 0.1.0...
[INFO] testing fax_derive-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate fax_derive 0.1.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate fax_derive 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a498ed251cf337df6d8634e306aa922d763ad9c202a76c26a4a27bf72b7b059
[INFO] running `Command { std: "docker" "start" "-a" "7a498ed251cf337df6d8634e306aa922d763ad9c202a76c26a4a27bf72b7b059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a498ed251cf337df6d8634e306aa922d763ad9c202a76c26a4a27bf72b7b059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a498ed251cf337df6d8634e306aa922d763ad9c202a76c26a4a27bf72b7b059", kill_on_drop: false }`
[INFO] [stdout] 7a498ed251cf337df6d8634e306aa922d763ad9c202a76c26a4a27bf72b7b059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de5d7e9d9cb44c4e40719788f7c67bb67538d148a05a5bde1f93b7a640d2dc91
[INFO] running `Command { std: "docker" "start" "-a" "de5d7e9d9cb44c4e40719788f7c67bb67538d148a05a5bde1f93b7a640d2dc91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fax_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `common_prefix_len`
[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 is never used: `align_left`
[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 is never used: `size`
[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 is never used: `size`
[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 14.83s
[INFO] running `Command { std: "docker" "inspect" "de5d7e9d9cb44c4e40719788f7c67bb67538d148a05a5bde1f93b7a640d2dc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5d7e9d9cb44c4e40719788f7c67bb67538d148a05a5bde1f93b7a640d2dc91", kill_on_drop: false }`
[INFO] [stdout] de5d7e9d9cb44c4e40719788f7c67bb67538d148a05a5bde1f93b7a640d2dc91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af956dd1ee5f886d555d20ddfe87d52c4b25d56de65b6558085737357120c3bb
[INFO] running `Command { std: "docker" "start" "-a" "af956dd1ee5f886d555d20ddfe87d52c4b25d56de65b6558085737357120c3bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fax_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `common_prefix_len`
[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 is never used: `align_left`
[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 is never used: `size`
[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 is never used: `size`
[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 is never used: `common_prefix_len`
[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 is never used: `align_left`
[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 is never used: `size`
[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 is never used: `size`
[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 test [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "af956dd1ee5f886d555d20ddfe87d52c4b25d56de65b6558085737357120c3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af956dd1ee5f886d555d20ddfe87d52c4b25d56de65b6558085737357120c3bb", kill_on_drop: false }`
[INFO] [stdout] af956dd1ee5f886d555d20ddfe87d52c4b25d56de65b6558085737357120c3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58969d6025d7e03d1cf81f64f6fb6516fcfc0010be1adbe1c30a5cb2313eff62
[INFO] running `Command { std: "docker" "start" "-a" "58969d6025d7e03d1cf81f64f6fb6516fcfc0010be1adbe1c30a5cb2313eff62", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `common_prefix_len`
[INFO] [stderr]    --> src/lib.rs:201:8
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn common_prefix_len(self, other: Bits) -> u8 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `align_left`
[INFO] [stderr]    --> src/lib.rs:204:8
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn align_left(self) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]    --> src/lib.rs:301:8
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn size(&self) -> usize {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]    --> src/lib.rs:343:8
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn size(&self) -> usize {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `common_prefix_len`
[INFO] [stderr]    --> src/lib.rs:201:8
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn common_prefix_len(self, other: Bits) -> u8 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `align_left`
[INFO] [stderr]    --> src/lib.rs:204:8
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn align_left(self) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]    --> src/lib.rs:301:8
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn size(&self) -> usize {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]    --> src/lib.rs:343:8
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn size(&self) -> usize {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fax_derive-e27f508bfc67407e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fax_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58969d6025d7e03d1cf81f64f6fb6516fcfc0010be1adbe1c30a5cb2313eff62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58969d6025d7e03d1cf81f64f6fb6516fcfc0010be1adbe1c30a5cb2313eff62", kill_on_drop: false }`
[INFO] [stdout] 58969d6025d7e03d1cf81f64f6fb6516fcfc0010be1adbe1c30a5cb2313eff62
