[INFO] cloning repository https://github.com/streof/grrs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/streof/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe2f1156a96e6d7236d5f2ae6dfedce60cc84390 [INFO] checking streof/grrs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs" "/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/streof/grrs 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/streof/grrs [INFO] finished tweaking git repo https://github.com/streof/grrs [INFO] tweaked toml for git repo https://github.com/streof/grrs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/streof/grrs 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded doc-comment v0.3.2 [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] c49329a4f01d23870fb9c1fec7dfbf7470a14feab9cca94d6706f90066a357a8 [INFO] running `Command { std: "docker" "start" "-a" "c49329a4f01d23870fb9c1fec7dfbf7470a14feab9cca94d6706f90066a357a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c49329a4f01d23870fb9c1fec7dfbf7470a14feab9cca94d6706f90066a357a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c49329a4f01d23870fb9c1fec7dfbf7470a14feab9cca94d6706f90066a357a8", kill_on_drop: false }` [INFO] [stdout] c49329a4f01d23870fb9c1fec7dfbf7470a14feab9cca94d6706f90066a357a8 [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] 658aaca6d4e500a7b789f4d2f18be452e0d0fb7779188c51a6dc06bb496d478f [INFO] running `Command { std: "docker" "start" "-a" "658aaca6d4e500a7b789f4d2f18be452e0d0fb7779188c51a6dc06bb496d478f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Compiling doc-comment v0.3.2 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.11 [INFO] [stderr] Compiling proc-macro-error v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.5 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling structopt-derive v0.4.4 [INFO] [stderr] Checking structopt v0.3.11 [INFO] [stderr] Checking sp v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/cli.rs:31:3 [INFO] [stdout] | [INFO] [stdout] 31 | #[structopt(rename_all = "kebab-case", about = ABOUT, usage = USAGE, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | #[derive(StructOpt, Debug)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking assert_cmd v0.12.0 [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/cli.rs:31:3 [INFO] [stdout] | [INFO] [stdout] 31 | #[structopt(rename_all = "kebab-case", about = ABOUT, usage = USAGE, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | #[derive(StructOpt, Debug)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.35s [INFO] running `Command { std: "docker" "inspect" "658aaca6d4e500a7b789f4d2f18be452e0d0fb7779188c51a6dc06bb496d478f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "658aaca6d4e500a7b789f4d2f18be452e0d0fb7779188c51a6dc06bb496d478f", kill_on_drop: false }` [INFO] [stdout] 658aaca6d4e500a7b789f4d2f18be452e0d0fb7779188c51a6dc06bb496d478f [INFO] checking streof/grrs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstreof%2Fgrrs" "/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/streof/grrs 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/streof/grrs [INFO] finished tweaking git repo https://github.com/streof/grrs [INFO] tweaked toml for git repo https://github.com/streof/grrs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/streof/grrs 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] 0128d82374eb272b1ff47613ba6f506fc9189433556d2dd6339ba41e4d463956 [INFO] running `Command { std: "docker" "start" "-a" "0128d82374eb272b1ff47613ba6f506fc9189433556d2dd6339ba41e4d463956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0128d82374eb272b1ff47613ba6f506fc9189433556d2dd6339ba41e4d463956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0128d82374eb272b1ff47613ba6f506fc9189433556d2dd6339ba41e4d463956", kill_on_drop: false }` [INFO] [stdout] 0128d82374eb272b1ff47613ba6f506fc9189433556d2dd6339ba41e4d463956 [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] f99764eefcdcf22486824b7859e2a10060308acf06838f84b7d1a3bf36a7199d [INFO] running `Command { std: "docker" "start" "-a" "f99764eefcdcf22486824b7859e2a10060308acf06838f84b7d1a3bf36a7199d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling doc-comment v0.3.2 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.11 [INFO] [stderr] Compiling proc-macro-error v0.4.11 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.5 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling structopt-derive v0.4.4 [INFO] [stderr] Checking structopt v0.3.11 [INFO] [stderr] Checking sp v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/cli.rs:31:3 [INFO] [stdout] | [INFO] [stdout] 31 | #[structopt(rename_all = "kebab-case", about = ABOUT, usage = USAGE, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | #[derive(StructOpt, Debug)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking assert_cmd v0.12.0 [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/cli.rs:31:3 [INFO] [stdout] | [INFO] [stdout] 31 | #[structopt(rename_all = "kebab-case", about = ABOUT, usage = USAGE, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | #[derive(StructOpt, Debug)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.06s [INFO] running `Command { std: "docker" "inspect" "f99764eefcdcf22486824b7859e2a10060308acf06838f84b7d1a3bf36a7199d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f99764eefcdcf22486824b7859e2a10060308acf06838f84b7d1a3bf36a7199d", kill_on_drop: false }` [INFO] [stdout] f99764eefcdcf22486824b7859e2a10060308acf06838f84b7d1a3bf36a7199d