[INFO] updating cached repository https://github.com/manueldeval/synth [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac9279d505136eeedace014ee9332dfa119eadd9 [INFO] checking manueldeval/synth against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanueldeval%2Fsynth" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manueldeval/synth on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-14/source/Cargo.toml [INFO] crate git repo https://github.com/manueldeval/synth already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b266fb8633b81e56f6f68475808288d23c4612d01feb23f2805f336fd3d1ee16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b266fb8633b81e56f6f68475808288d23c4612d01feb23f2805f336fd3d1ee16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b266fb8633b81e56f6f68475808288d23c4612d01feb23f2805f336fd3d1ee16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b266fb8633b81e56f6f68475808288d23c4612d01feb23f2805f336fd3d1ee16", kill_on_drop: false }` [INFO] [stdout] b266fb8633b81e56f6f68475808288d23c4612d01feb23f2805f336fd3d1ee16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2562b87ec8c0be6ac88e33e09f50384456bc11d610bbd7ed23c0d9992471d74c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2562b87ec8c0be6ac88e33e09f50384456bc11d610bbd7ed23c0d9992471d74c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking arc-swap v0.4.3 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Compiling cpal v0.10.0 [INFO] [stderr] Checking atomic-option v0.1.2 [INFO] [stderr] Checking strum v0.16.0 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking actix-service v0.4.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking arrayvec v0.4.11 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rosc v0.1.6 [INFO] [stderr] Checking signal-hook-registry v1.1.1 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking signal-hook v0.1.10 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [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 mio-uds v0.6.7 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking actix-codec v0.1.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking actix-utils v0.4.5 [INFO] [stderr] Checking crossbeam v0.7.2 [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 flate2 v1.0.11 [INFO] [stderr] Checking backtrace v0.3.35 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking bus v2.2.2 [INFO] [stderr] Checking h2 v0.1.26 [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] Compiling synstructure v0.10.2 [INFO] [stderr] Checking v_escape v0.7.4 [INFO] [stderr] Checking v_htmlescape v0.4.5 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling actix-web-codegen v0.1.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking trust-dns-resolver v0.11.1 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking actix-threadpool v0.1.2 [INFO] [stderr] Checking actix-rt v0.2.5 [INFO] [stderr] Checking actix-connect v0.2.5 [INFO] [stderr] Checking actix-server v0.6.1 [INFO] [stderr] Checking actix-testing v0.1.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_json v1.0.40 [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] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/patch/patch.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new() -> Patch { [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: `from_json` [INFO] [stdout] --> src/patch/patch.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn from_json(serialized: &String) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_json_file` [INFO] [stdout] --> src/patch/patch.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn from_json_file>(file_name: P) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_file` [INFO] [stdout] --> src/patch/patch.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn from_file(file_name: &String) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/patch/patch.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_command` [INFO] [stdout] --> src/patch/patch.rs:63:10 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn add_command(&mut self, command: &SystemCommand) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/patch/patch.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new() -> Patch { [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: `from_json` [INFO] [stdout] --> src/patch/patch.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn from_json(serialized: &String) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_json_file` [INFO] [stdout] --> src/patch/patch.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn from_json_file>(file_name: P) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_file` [INFO] [stdout] --> src/patch/patch.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn from_file(file_name: &String) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/patch/patch.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_command` [INFO] [stdout] --> src/patch/patch.rs:63:10 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn add_command(&mut self, command: &SystemCommand) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 49s [INFO] running `Command { std: "docker" "inspect" "2562b87ec8c0be6ac88e33e09f50384456bc11d610bbd7ed23c0d9992471d74c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2562b87ec8c0be6ac88e33e09f50384456bc11d610bbd7ed23c0d9992471d74c", kill_on_drop: false }` [INFO] [stdout] 2562b87ec8c0be6ac88e33e09f50384456bc11d610bbd7ed23c0d9992471d74c