[INFO] cloning repository https://github.com/andreyferriyan/rusty_learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreyferriyan/rusty_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a3e268217cec554583822349dc642925ff6796b [INFO] testing andreyferriyan/rusty_learn against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andreyferriyan/rusty_learn on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andreyferriyan/rusty_learn [INFO] finished tweaking git repo https://github.com/andreyferriyan/rusty_learn [INFO] tweaked toml for git repo https://github.com/andreyferriyan/rusty_learn written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/andreyferriyan/rusty_learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] [stderr] Downloaded cc v1.0.32 [INFO] [stderr] Downloaded uuid v0.7.3 [INFO] [stderr] Downloaded libflate v0.1.21 [INFO] [stderr] Downloaded zip v0.5.1 [INFO] [stderr] Downloaded rustlearn v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96f08163b026a9f78f393ca3514a81e51d699eb0d09d04ba1c55f2fbf4a50a7a [INFO] running `Command { std: "docker" "start" "-a" "96f08163b026a9f78f393ca3514a81e51d699eb0d09d04ba1c55f2fbf4a50a7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96f08163b026a9f78f393ca3514a81e51d699eb0d09d04ba1c55f2fbf4a50a7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96f08163b026a9f78f393ca3514a81e51d699eb0d09d04ba1c55f2fbf4a50a7a", kill_on_drop: false }` [INFO] [stdout] 96f08163b026a9f78f393ca3514a81e51d699eb0d09d04ba1c55f2fbf4a50a7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb0bf37804d07a56ed6e27ef3a2b7a51d513815abe6ba5503191279b52893bba [INFO] running `Command { std: "docker" "start" "-a" "bb0bf37804d07a56ed6e27ef3a2b7a51d513815abe6ba5503191279b52893bba", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling openssl v0.10.20 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling string v0.1.3 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling podio v0.1.6 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling tokio-trace-core v0.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling miniz_oxide v0.2.1 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling rustlearn v0.5.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling libflate v0.1.21 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] 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phf v0.7.24 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.10 [INFO] [stderr] Compiling flate2 v1.0.7 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.16 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.13 [INFO] [stderr] Compiling uuid v0.7.3 [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling serde_urlencoded v0.5.4 [INFO] [stderr] Compiling tokio v0.1.18 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling h2 v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling hyper v0.12.25 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling reqwest v0.9.12 [INFO] [stderr] Compiling rusty_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:73:16 [INFO] [stdout] | [INFO] [stdout] 73 | _ => panic!(format!("Invalid label: {}", label)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 | _ => panic!("Invalid label: {}", label) [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 26s [INFO] running `Command { std: "docker" "inspect" "bb0bf37804d07a56ed6e27ef3a2b7a51d513815abe6ba5503191279b52893bba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb0bf37804d07a56ed6e27ef3a2b7a51d513815abe6ba5503191279b52893bba", kill_on_drop: false }` [INFO] [stdout] bb0bf37804d07a56ed6e27ef3a2b7a51d513815abe6ba5503191279b52893bba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ae95e35cc7389be8e848d7905a669b041a21b21841d75553d215567cf53a5bb [INFO] running `Command { std: "docker" "start" "-a" "1ae95e35cc7389be8e848d7905a669b041a21b21841d75553d215567cf53a5bb", 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rusty_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:73:16 [INFO] [stdout] | [INFO] [stdout] 73 | _ => panic!(format!("Invalid label: {}", label)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 | _ => panic!("Invalid label: {}", label) [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "1ae95e35cc7389be8e848d7905a669b041a21b21841d75553d215567cf53a5bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ae95e35cc7389be8e848d7905a669b041a21b21841d75553d215567cf53a5bb", kill_on_drop: false }` [INFO] [stdout] 1ae95e35cc7389be8e848d7905a669b041a21b21841d75553d215567cf53a5bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 616ce401e0ea5c93402de356a39dfebc21d097ecb128af360fd6bee44840dec2 [INFO] running `Command { std: "docker" "start" "-a" "616ce401e0ea5c93402de356a39dfebc21d097ecb128af360fd6bee44840dec2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:73:16 [INFO] [stderr] | [INFO] [stderr] 73 | _ => panic!(format!("Invalid label: {}", label)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 73 | _ => panic!("Invalid label: {}", label) [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: `rusty_learn` (bin "rusty_learn" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.39s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_learn-c1af29e5ef69cb48) [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" "616ce401e0ea5c93402de356a39dfebc21d097ecb128af360fd6bee44840dec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "616ce401e0ea5c93402de356a39dfebc21d097ecb128af360fd6bee44840dec2", kill_on_drop: false }` [INFO] [stdout] 616ce401e0ea5c93402de356a39dfebc21d097ecb128af360fd6bee44840dec2