[INFO] cloning repository https://github.com/genya0407/alta [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genya0407/alta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Falta", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Falta'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db35df29f9325601f21232f1f5b90a468c6145cd [INFO] checking genya0407/alta against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Falta" "/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/genya0407/alta 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/genya0407/alta [INFO] finished tweaking git repo https://github.com/genya0407/alta [INFO] tweaked toml for git repo https://github.com/genya0407/alta written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/genya0407/alta 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 version_check v0.1.4 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.1 [INFO] [stderr] Downloaded memchr v2.0.2 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded aho-corasick v0.6.8 [INFO] [stderr] Downloaded nix v0.11.0 [INFO] [stderr] Downloaded regex v1.0.4 [INFO] [stderr] Downloaded cc v1.0.24 [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] f903ad5c0ee2af566789808cd874cd3089901fa3898f90759c0a4251a9f9efba [INFO] running `Command { std: "docker" "start" "-a" "f903ad5c0ee2af566789808cd874cd3089901fa3898f90759c0a4251a9f9efba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f903ad5c0ee2af566789808cd874cd3089901fa3898f90759c0a4251a9f9efba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f903ad5c0ee2af566789808cd874cd3089901fa3898f90759c0a4251a9f9efba", kill_on_drop: false }` [INFO] [stdout] f903ad5c0ee2af566789808cd874cd3089901fa3898f90759c0a4251a9f9efba [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] 11fcd292c8fdb80814508e1f334802066042059cd45f6769ceeffb75190de1d9 [INFO] running `Command { std: "docker" "start" "-a" "11fcd292c8fdb80814508e1f334802066042059cd45f6769ceeffb75190de1d9", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking alta v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/plot.rs:13:62 [INFO] [stdout] | [INFO] [stdout] 13 | Err(why) => panic!("couldn't spawn gnuplot: {}", 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/plot.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [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/plot.rs:26:32 [INFO] [stdout] | [INFO] [stdout] 26 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [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/plot.rs:13:62 [INFO] [stdout] | [INFO] [stdout] 13 | Err(why) => panic!("couldn't spawn gnuplot: {}", 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/plot.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [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/plot.rs:26:32 [INFO] [stdout] | [INFO] [stdout] 26 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `Command { std: "docker" "inspect" "11fcd292c8fdb80814508e1f334802066042059cd45f6769ceeffb75190de1d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11fcd292c8fdb80814508e1f334802066042059cd45f6769ceeffb75190de1d9", kill_on_drop: false }` [INFO] [stdout] 11fcd292c8fdb80814508e1f334802066042059cd45f6769ceeffb75190de1d9 [INFO] checking genya0407/alta against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenya0407%2Falta" "/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/genya0407/alta 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/genya0407/alta [INFO] finished tweaking git repo https://github.com/genya0407/alta [INFO] tweaked toml for git repo https://github.com/genya0407/alta written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/genya0407/alta 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] e062e7cfc394c4faf4f36f4b3ecdf1ce5b2c47b8229ff3085c38b0a11619967a [INFO] running `Command { std: "docker" "start" "-a" "e062e7cfc394c4faf4f36f4b3ecdf1ce5b2c47b8229ff3085c38b0a11619967a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e062e7cfc394c4faf4f36f4b3ecdf1ce5b2c47b8229ff3085c38b0a11619967a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e062e7cfc394c4faf4f36f4b3ecdf1ce5b2c47b8229ff3085c38b0a11619967a", kill_on_drop: false }` [INFO] [stdout] e062e7cfc394c4faf4f36f4b3ecdf1ce5b2c47b8229ff3085c38b0a11619967a [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] 01c0d3cc55fe8e728f30e640aa01571076917b09c82fbcde85a9fc8bb4db94b0 [INFO] running `Command { std: "docker" "start" "-a" "01c0d3cc55fe8e728f30e640aa01571076917b09c82fbcde85a9fc8bb4db94b0", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking alta v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/plot.rs:13:62 [INFO] [stdout] | [INFO] [stdout] 13 | Err(why) => panic!("couldn't spawn gnuplot: {}", 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/plot.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [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/plot.rs:26:32 [INFO] [stdout] | [INFO] [stdout] 26 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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/plot.rs:13:62 [INFO] [stdout] | [INFO] [stdout] 13 | Err(why) => panic!("couldn't spawn gnuplot: {}", 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/plot.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [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/plot.rs:26:32 [INFO] [stdout] | [INFO] [stdout] 26 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.34s [INFO] running `Command { std: "docker" "inspect" "01c0d3cc55fe8e728f30e640aa01571076917b09c82fbcde85a9fc8bb4db94b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01c0d3cc55fe8e728f30e640aa01571076917b09c82fbcde85a9fc8bb4db94b0", kill_on_drop: false }` [INFO] [stdout] 01c0d3cc55fe8e728f30e640aa01571076917b09c82fbcde85a9fc8bb4db94b0