[INFO] cloning repository https://github.com/dev1codcc/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dev1codcc/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev1codcc%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev1codcc%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 59708522d39e0d3a2c49ea53fb3c27eb6b1eb628 [INFO] checking dev1codcc/hello-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev1codcc%2Fhello-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dev1codcc/hello-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dev1codcc/hello-rust [INFO] finished tweaking git repo https://github.com/dev1codcc/hello-rust [INFO] tweaked toml for git repo https://github.com/dev1codcc/hello-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dev1codcc/hello-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ferris-says v0.3.1 [INFO] [stderr] Downloaded md5 v0.6.1 [INFO] [stderr] Downloaded serde_derive v1.0.191 [INFO] [stderr] Downloaded async-executor v1.6.0 [INFO] [stderr] Downloaded value-bag v1.4.2 [INFO] [stderr] Downloaded async-task v4.5.0 [INFO] [stderr] Downloaded serde v1.0.191 [INFO] [stderr] Downloaded winauth v0.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0b30ad4e40123dd2ce4b2c8f09a2761bebd3be66fa6361c4870cbe727e5abed [INFO] running `Command { std: "docker" "start" "-a" "a0b30ad4e40123dd2ce4b2c8f09a2761bebd3be66fa6361c4870cbe727e5abed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0b30ad4e40123dd2ce4b2c8f09a2761bebd3be66fa6361c4870cbe727e5abed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b30ad4e40123dd2ce4b2c8f09a2761bebd3be66fa6361c4870cbe727e5abed", kill_on_drop: false }` [INFO] [stdout] a0b30ad4e40123dd2ce4b2c8f09a2761bebd3be66fa6361c4870cbe727e5abed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8d7f7ad532b686c9172a2932f154eadacec06e9b0cf1cc902a5962d107eaabd [INFO] running `Command { std: "docker" "start" "-a" "f8d7f7ad532b686c9172a2932f154eadacec06e9b0cf1cc902a5962d107eaabd", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling openssl v0.10.59 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Compiling serde v1.0.191 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Checking uuid v1.5.0 [INFO] [stderr] Checking connection-string v0.2.0 [INFO] [stderr] Checking pretty-hex v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking textwrap v0.13.4 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking ferris-says v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.95 [INFO] [stderr] Checking async-executor v1.6.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling enumflags2_derive v0.7.8 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Checking enumflags2 v0.7.8 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking asynchronous-codec v0.6.2 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking async-native-tls v0.4.0 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking tiberius v0.12.2 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s [INFO] running `Command { std: "docker" "inspect" "f8d7f7ad532b686c9172a2932f154eadacec06e9b0cf1cc902a5962d107eaabd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d7f7ad532b686c9172a2932f154eadacec06e9b0cf1cc902a5962d107eaabd", kill_on_drop: false }` [INFO] [stdout] f8d7f7ad532b686c9172a2932f154eadacec06e9b0cf1cc902a5962d107eaabd [INFO] checking dev1codcc/hello-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev1codcc%2Fhello-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dev1codcc/hello-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dev1codcc/hello-rust [INFO] finished tweaking git repo https://github.com/dev1codcc/hello-rust [INFO] tweaked toml for git repo https://github.com/dev1codcc/hello-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dev1codcc/hello-rust 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd88f97bb7334a90fba2469bca7865720b804d75a62c733221f738f68e84f5d8 [INFO] running `Command { std: "docker" "start" "-a" "dd88f97bb7334a90fba2469bca7865720b804d75a62c733221f738f68e84f5d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd88f97bb7334a90fba2469bca7865720b804d75a62c733221f738f68e84f5d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd88f97bb7334a90fba2469bca7865720b804d75a62c733221f738f68e84f5d8", kill_on_drop: false }` [INFO] [stdout] dd88f97bb7334a90fba2469bca7865720b804d75a62c733221f738f68e84f5d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca96699777ee4c70cb371140a0d2f5967ca0dc4789e63b33cb81c2b9843de261 [INFO] running `Command { std: "docker" "start" "-a" "ca96699777ee4c70cb371140a0d2f5967ca0dc4789e63b33cb81c2b9843de261", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling openssl v0.10.59 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling serde v1.0.191 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking smawk v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking connection-string v0.2.0 [INFO] [stderr] Checking textwrap v0.13.4 [INFO] [stderr] Checking pretty-hex v0.3.0 [INFO] [stderr] Checking uuid v1.5.0 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking ferris-says v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.95 [INFO] [stderr] Checking async-executor v1.6.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling enumflags2_derive v0.7.8 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Checking enumflags2 v0.7.8 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking asynchronous-codec v0.6.2 [INFO] [stderr] Checking async-native-tls v0.4.0 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking tiberius v0.12.2 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s [INFO] running `Command { std: "docker" "inspect" "ca96699777ee4c70cb371140a0d2f5967ca0dc4789e63b33cb81c2b9843de261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca96699777ee4c70cb371140a0d2f5967ca0dc4789e63b33cb81c2b9843de261", kill_on_drop: false }` [INFO] [stdout] ca96699777ee4c70cb371140a0d2f5967ca0dc4789e63b33cb81c2b9843de261