[INFO] fetching crate sfsm 0.4.3...
[INFO] checking sfsm-0.4.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate sfsm 0.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sfsm 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sfsm 0.4.3
[INFO] tweaked toml for crates.io crate sfsm 0.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sfsm 0.4.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sfsm 0.4.3 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sfsm-proc v0.4.3
[INFO] [stderr]   Downloaded sfsm-base v0.4.3
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f6d55026d819916e155453c4aec21dce80444ca7c55ff4c047d596da58c89b
[INFO] running `Command { std: "docker" "start" "-a" "66f6d55026d819916e155453c4aec21dce80444ca7c55ff4c047d596da58c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f6d55026d819916e155453c4aec21dce80444ca7c55ff4c047d596da58c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f6d55026d819916e155453c4aec21dce80444ca7c55ff4c047d596da58c89b", kill_on_drop: false }`
[INFO] [stdout] 66f6d55026d819916e155453c4aec21dce80444ca7c55ff4c047d596da58c89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7b430d88a98125d545e6c2417096dce6639d6849d9ca7db1dc79aa79012a082
[INFO] running `Command { std: "docker" "start" "-a" "b7b430d88a98125d545e6c2417096dce6639d6849d9ca7db1dc79aa79012a082", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling sfsm-base v0.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling sfsm-proc v0.4.3
[INFO] [stderr]     Checking sfsm v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]    --> examples/messages.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn trace(log: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]    --> examples/fallible.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn trace(log: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> examples/hierarchical_extended.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn trace(log: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]    --> examples/hierarchical_simple.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn trace(log: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> examples/basic.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn trace(log: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> examples/rocket_liftoff.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn trace(log: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> examples/basic_extended.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn trace(log: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "b7b430d88a98125d545e6c2417096dce6639d6849d9ca7db1dc79aa79012a082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b430d88a98125d545e6c2417096dce6639d6849d9ca7db1dc79aa79012a082", kill_on_drop: false }`
[INFO] [stdout] b7b430d88a98125d545e6c2417096dce6639d6849d9ca7db1dc79aa79012a082