[INFO] cloning repository https://github.com/TomSawyer404/rust-echo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomSawyer404/rust-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSawyer404%2Frust-echo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSawyer404%2Frust-echo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0278810b58d2f5f1dbdfbb87ec72796bf967cfcf [INFO] checking TomSawyer404/rust-echo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSawyer404%2Frust-echo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TomSawyer404/rust-echo 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/TomSawyer404/rust-echo [INFO] finished tweaking git repo https://github.com/TomSawyer404/rust-echo [INFO] tweaked toml for git repo https://github.com/TomSawyer404/rust-echo written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TomSawyer404/rust-echo 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] Downloading crates ... [INFO] [stderr] Downloaded predicates v2.0.3 [INFO] [stderr] Downloaded assert_cmd v2.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3acf6b7276f5abce9ff525794dd3e4cb83507a770a582b7811ec787b9aac1d2c [INFO] running `Command { std: "docker" "start" "-a" "3acf6b7276f5abce9ff525794dd3e4cb83507a770a582b7811ec787b9aac1d2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3acf6b7276f5abce9ff525794dd3e4cb83507a770a582b7811ec787b9aac1d2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3acf6b7276f5abce9ff525794dd3e4cb83507a770a582b7811ec787b9aac1d2c", kill_on_drop: false }` [INFO] [stdout] 3acf6b7276f5abce9ff525794dd3e4cb83507a770a582b7811ec787b9aac1d2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bf9b816fb62fcca2804bfa57a4b8391b9025f42fea71f99eccdcdd5e3c8d8c7e [INFO] running `Command { std: "docker" "start" "-a" "bf9b816fb62fcca2804bfa57a4b8391b9025f42fea71f99eccdcdd5e3c8d8c7e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking termtree v0.2.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking predicates v2.0.3 [INFO] [stderr] Checking assert_cmd v2.0.2 [INFO] [stderr] Checking rust-echo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s [INFO] running `Command { std: "docker" "inspect" "bf9b816fb62fcca2804bfa57a4b8391b9025f42fea71f99eccdcdd5e3c8d8c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf9b816fb62fcca2804bfa57a4b8391b9025f42fea71f99eccdcdd5e3c8d8c7e", kill_on_drop: false }` [INFO] [stdout] bf9b816fb62fcca2804bfa57a4b8391b9025f42fea71f99eccdcdd5e3c8d8c7e