[INFO] updating cached repository https://github.com/manueldeval/synth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac9279d505136eeedace014ee9332dfa119eadd9
[INFO] checking manueldeval/synth against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanueldeval%2Fsynth" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manueldeval/synth on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/manueldeval/synth
[INFO] finished tweaking git repo https://github.com/manueldeval/synth
[INFO] tweaked toml for git repo https://github.com/manueldeval/synth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/manueldeval/synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3699ce69a6aca03f90e823152c131f65b57b59f4d2346553cabf94990b3f0430
[INFO] running `"docker" "start" "-a" "3699ce69a6aca03f90e823152c131f65b57b59f4d2346553cabf94990b3f0430"`
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking bus v2.2.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking actix-utils v0.4.5
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.5
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]     Checking awc v0.2.7
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking actix-files v0.1.4
[INFO] [stderr]     Checking rustic_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/patch/patch.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn new() -> Patch {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_json`
[INFO] [stderr]   --> src/patch/patch.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn from_json(serialized: &String) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_json_file`
[INFO] [stderr]   --> src/patch/patch.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn from_json_file<P: AsRef<Path>>(file_name: P) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/patch/patch.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn from_file(file_name: &String) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_json`
[INFO] [stderr]   --> src/patch/patch.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn to_json(&self) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_command`
[INFO] [stderr]   --> src/patch/patch.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |   pub fn add_command(&mut self, command: &SystemCommand) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/patch/patch.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn new() -> Patch {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_json`
[INFO] [stderr]   --> src/patch/patch.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn from_json(serialized: &String) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_json_file`
[INFO] [stderr]   --> src/patch/patch.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn from_json_file<P: AsRef<Path>>(file_name: P) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/patch/patch.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn from_file(file_name: &String) -> Result<Patch,String> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_json`
[INFO] [stderr]   --> src/patch/patch.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn to_json(&self) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_command`
[INFO] [stderr]   --> src/patch/patch.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |   pub fn add_command(&mut self, command: &SystemCommand) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `"docker" "inspect" "3699ce69a6aca03f90e823152c131f65b57b59f4d2346553cabf94990b3f0430"`
[INFO] running `"docker" "rm" "-f" "3699ce69a6aca03f90e823152c131f65b57b59f4d2346553cabf94990b3f0430"`
[INFO] [stdout] 3699ce69a6aca03f90e823152c131f65b57b59f4d2346553cabf94990b3f0430