[INFO] cloning repository https://github.com/Igosuki/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Igosuki/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d18c3ccd71134f3a51254e126035ed3a8e12d4ea [INFO] checking Igosuki/rust_playground against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIgosuki%2Frust_playground" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Igosuki/rust_playground on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Igosuki/rust_playground [INFO] finished tweaking git repo https://github.com/Igosuki/rust_playground [INFO] tweaked toml for git repo https://github.com/Igosuki/rust_playground written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Igosuki/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded try_from v0.2.2 [INFO] [stderr] Downloaded json v0.11.13 [INFO] [stderr] Downloaded bson v0.13.0 [INFO] [stderr] Downloaded trust-dns-proto v0.6.1 [INFO] [stderr] Downloaded mongodb v0.3.12 [INFO] [stderr] Downloaded titlecase v0.10.0 [INFO] [stderr] Downloaded textnonce v0.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 68ddfe4ea341b4d8ef3719506f234ff0e53db48b0a6ebb30a596e0135847779d [INFO] running `Command { std: "docker" "start" "-a" "68ddfe4ea341b4d8ef3719506f234ff0e53db48b0a6ebb30a596e0135847779d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68ddfe4ea341b4d8ef3719506f234ff0e53db48b0a6ebb30a596e0135847779d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ddfe4ea341b4d8ef3719506f234ff0e53db48b0a6ebb30a596e0135847779d", kill_on_drop: false }` [INFO] [stdout] 68ddfe4ea341b4d8ef3719506f234ff0e53db48b0a6ebb30a596e0135847779d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ef3252e25342d15629702a19b6ac98531f395c9ac34c33cb77dd8e3c1d11ca3 [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" "6ef3252e25342d15629702a19b6ac98531f395c9ac34c33cb77dd8e3c1d11ca3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling arrayvec v0.4.9 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking arc-swap v0.3.6 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Checking constant_time_eq v0.1.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking md5 v0.3.8 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking try_from v0.2.2 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking askama_escape v0.1.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking separator v0.3.1 [INFO] [stderr] Checking json v0.11.13 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling actix-web v0.7.16 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking semver v0.8.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking signal-hook v0.1.6 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking phf_shared v0.7.23 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking resolv-conf v0.6.1 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking crypto-mac v0.6.2 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking sha-1 v0.7.0 [INFO] [stderr] Checking md-5 v0.7.0 [INFO] [stderr] Checking hmac v0.6.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking pbkdf2 v0.2.3 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking titlecase v0.10.0 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking parking_lot v0.7.0 [INFO] [stderr] Checking ctrl_flow v0.1.0 (/opt/rustwide/workdir/2_ctrl_flow) [INFO] [stderr] Checking structs v0.1.0 (/opt/rustwide/workdir/4_structs) [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/3_ownership) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> 2_ctrl_flow/src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use titlecase::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> 2_ctrl_flow/src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use titlecase::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_active` [INFO] [stdout] --> 4_structs/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn is_active(&self) -> bool { [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: `set_inactive` [INFO] [stdout] --> 4_structs/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn set_inactive(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `same_name` [INFO] [stdout] --> 4_structs/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn same_name(&self, u2: &User) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `default` [INFO] [stdout] --> 4_structs/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn default(username: String, email: String) -> User { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> 4_structs/src/main.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> 4_structs/src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `assign_tuple` [INFO] [stdout] --> 4_structs/src/main.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn assign_tuple(i1: i32, i2: i32, i3: i32) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_active` [INFO] [stdout] --> 4_structs/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn is_active(&self) -> bool { [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: `set_inactive` [INFO] [stdout] --> 4_structs/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn set_inactive(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `same_name` [INFO] [stdout] --> 4_structs/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn same_name(&self, u2: &User) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `default` [INFO] [stdout] --> 4_structs/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn default(username: String, email: String) -> User { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> 4_structs/src/main.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> 4_structs/src/main.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `assign_tuple` [INFO] [stdout] --> 4_structs/src/main.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn assign_tuple(i1: i32, i2: i32, i3: i32) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.3.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking bson v0.13.0 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking trust-dns-proto v0.6.1 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking dotenv v0.13.0 [INFO] [stderr] Checking trust-dns-resolver v0.10.1 [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] Checking actix-net v0.2.5 [INFO] [stderr] Checking textnonce v0.6.4 [INFO] [stderr] Checking mongodb v0.3.12 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/rustwide/workdir/1_guessing_game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 55s [INFO] running `Command { std: "docker" "inspect" "6ef3252e25342d15629702a19b6ac98531f395c9ac34c33cb77dd8e3c1d11ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ef3252e25342d15629702a19b6ac98531f395c9ac34c33cb77dd8e3c1d11ca3", kill_on_drop: false }` [INFO] [stdout] 6ef3252e25342d15629702a19b6ac98531f395c9ac34c33cb77dd8e3c1d11ca3