[INFO] cloning repository https://github.com/ssanj/hop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssanj/hop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanj%2Fhop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanj%2Fhop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b6fcb51df09705e3829bbd68c9e6d2dbcb47716 [INFO] checking ssanj/hop against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanj%2Fhop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ssanj/hop 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/ssanj/hop [INFO] finished tweaking git repo https://github.com/ssanj/hop [INFO] tweaked toml for git repo https://github.com/ssanj/hop written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ssanj/hop 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 termtree v0.2.1 [INFO] [stderr] Downloaded predicates v2.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f4c81c80497692c1928b11d67e8e53e48d9ceacb512e25b90191f8a29974d31b [INFO] running `Command { std: "docker" "start" "-a" "f4c81c80497692c1928b11d67e8e53e48d9ceacb512e25b90191f8a29974d31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4c81c80497692c1928b11d67e8e53e48d9ceacb512e25b90191f8a29974d31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4c81c80497692c1928b11d67e8e53e48d9ceacb512e25b90191f8a29974d31b", kill_on_drop: false }` [INFO] [stdout] f4c81c80497692c1928b11d67e8e53e48d9ceacb512e25b90191f8a29974d31b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b3371427f55c3b4be82dd74590b6d2c51969c2f4000874acc74ab4135b97b52 [INFO] running `Command { std: "docker" "start" "-a" "6b3371427f55c3b4be82dd74590b6d2c51969c2f4000874acc74ab4135b97b52", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking ppv-lite86 v0.2.14 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking termtree v0.2.1 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking predicates v2.0.3 [INFO] [stderr] Checking hop v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cmd v2.0.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.51s [INFO] running `Command { std: "docker" "inspect" "6b3371427f55c3b4be82dd74590b6d2c51969c2f4000874acc74ab4135b97b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b3371427f55c3b4be82dd74590b6d2c51969c2f4000874acc74ab4135b97b52", kill_on_drop: false }` [INFO] [stdout] 6b3371427f55c3b4be82dd74590b6d2c51969c2f4000874acc74ab4135b97b52 [INFO] checking ssanj/hop against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssanj%2Fhop" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ssanj/hop 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/ssanj/hop [INFO] finished tweaking git repo https://github.com/ssanj/hop [INFO] tweaked toml for git repo https://github.com/ssanj/hop written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ssanj/hop 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8a33df4764cf2703f41a0883c519f52074fedc0fa3ba447d876165e5adcd3c3d [INFO] running `Command { std: "docker" "start" "-a" "8a33df4764cf2703f41a0883c519f52074fedc0fa3ba447d876165e5adcd3c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a33df4764cf2703f41a0883c519f52074fedc0fa3ba447d876165e5adcd3c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a33df4764cf2703f41a0883c519f52074fedc0fa3ba447d876165e5adcd3c3d", kill_on_drop: false }` [INFO] [stdout] 8a33df4764cf2703f41a0883c519f52074fedc0fa3ba447d876165e5adcd3c3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b65c3d584cc02195c03dfd712773a3284d8418d70ef8b3dd3a2ca48c438b014 [INFO] running `Command { std: "docker" "start" "-a" "6b65c3d584cc02195c03dfd712773a3284d8418d70ef8b3dd3a2ca48c438b014", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking termtree v0.2.1 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking hop v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking predicates v2.0.3 [INFO] [stderr] Checking assert_cmd v2.0.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.73s [INFO] running `Command { std: "docker" "inspect" "6b65c3d584cc02195c03dfd712773a3284d8418d70ef8b3dd3a2ca48c438b014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b65c3d584cc02195c03dfd712773a3284d8418d70ef8b3dd3a2ca48c438b014", kill_on_drop: false }` [INFO] [stdout] 6b65c3d584cc02195c03dfd712773a3284d8418d70ef8b3dd3a2ca48c438b014