[INFO] cloning repository https://github.com/thomasfermi/HackAssembler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasfermi/HackAssembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasfermi%2FHackAssembler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasfermi%2FHackAssembler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8a1ecf5fc4ec04f56fa7a1be25af646b50e51c6f [INFO] checking thomasfermi/HackAssembler against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasfermi%2FHackAssembler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomasfermi/HackAssembler 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/thomasfermi/HackAssembler [INFO] finished tweaking git repo https://github.com/thomasfermi/HackAssembler [INFO] tweaked toml for git repo https://github.com/thomasfermi/HackAssembler written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/thomasfermi/HackAssembler 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dbd0234e891d6e86a306a5042b8ba45b71752479f142f7b76c6f8d687b478199 [INFO] running `Command { std: "docker" "start" "-a" "dbd0234e891d6e86a306a5042b8ba45b71752479f142f7b76c6f8d687b478199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbd0234e891d6e86a306a5042b8ba45b71752479f142f7b76c6f8d687b478199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd0234e891d6e86a306a5042b8ba45b71752479f142f7b76c6f8d687b478199", kill_on_drop: false }` [INFO] [stdout] dbd0234e891d6e86a306a5042b8ba45b71752479f142f7b76c6f8d687b478199 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd0eaa671b6f4418c0e76454f4f5cbb291ac4b810a59b90ea3a9487264050d74 [INFO] running `Command { std: "docker" "start" "-a" "bd0eaa671b6f4418c0e76454f4f5cbb291ac4b810a59b90ea3a9487264050d74", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking hack_assembler v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.14s [INFO] running `Command { std: "docker" "inspect" "bd0eaa671b6f4418c0e76454f4f5cbb291ac4b810a59b90ea3a9487264050d74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd0eaa671b6f4418c0e76454f4f5cbb291ac4b810a59b90ea3a9487264050d74", kill_on_drop: false }` [INFO] [stdout] bd0eaa671b6f4418c0e76454f4f5cbb291ac4b810a59b90ea3a9487264050d74 [INFO] checking thomasfermi/HackAssembler against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasfermi%2FHackAssembler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomasfermi/HackAssembler 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/thomasfermi/HackAssembler [INFO] finished tweaking git repo https://github.com/thomasfermi/HackAssembler [INFO] tweaked toml for git repo https://github.com/thomasfermi/HackAssembler written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thomasfermi/HackAssembler 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f177dd0247316b60e2c2fdd79530ded35ef5a2a311b248c0a229d9b4fd4c6681 [INFO] running `Command { std: "docker" "start" "-a" "f177dd0247316b60e2c2fdd79530ded35ef5a2a311b248c0a229d9b4fd4c6681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f177dd0247316b60e2c2fdd79530ded35ef5a2a311b248c0a229d9b4fd4c6681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f177dd0247316b60e2c2fdd79530ded35ef5a2a311b248c0a229d9b4fd4c6681", kill_on_drop: false }` [INFO] [stdout] f177dd0247316b60e2c2fdd79530ded35ef5a2a311b248c0a229d9b4fd4c6681 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c0240653f671e3296b5d420197b71f1c75e3c6c2389093ce0a55c6bc45ef1a3c [INFO] running `Command { std: "docker" "start" "-a" "c0240653f671e3296b5d420197b71f1c75e3c6c2389093ce0a55c6bc45ef1a3c", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking hack_assembler v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:59:53 [INFO] [stdout] | [INFO] [stdout] 59 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.35s [INFO] running `Command { std: "docker" "inspect" "c0240653f671e3296b5d420197b71f1c75e3c6c2389093ce0a55c6bc45ef1a3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0240653f671e3296b5d420197b71f1c75e3c6c2389093ce0a55c6bc45ef1a3c", kill_on_drop: false }` [INFO] [stdout] c0240653f671e3296b5d420197b71f1c75e3c6c2389093ce0a55c6bc45ef1a3c