[INFO] fetching crate mrvn 0.1.0-alpha... [INFO] checking mrvn-0.1.0-alpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mrvn 0.1.0-alpha into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mrvn 0.1.0-alpha 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 crates.io crate mrvn 0.1.0-alpha [INFO] finished tweaking crates.io crate mrvn 0.1.0-alpha [INFO] tweaked toml for crates.io crate mrvn 0.1.0-alpha written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate mrvn 0.1.0-alpha 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 simplelog v0.12.0 [INFO] [stderr] Downloaded semver v1.0.12 [INFO] [stderr] Downloaded serde_derive v1.0.139 [INFO] [stderr] Downloaded hashbrown v0.12.2 [INFO] [stderr] Downloaded git2 v0.14.4 [INFO] [stderr] Downloaded clap v3.2.11 [INFO] [stderr] Downloaded time v0.3.11 [INFO] [stderr] Downloaded libgit2-sys v0.13.4+1.4.2 [INFO] [stderr] Downloaded libz-sys v1.1.8 [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] 90ce56fc18480cf8823d12d6b633ff937cd15652622c445b5c98639ae05966b0 [INFO] running `Command { std: "docker" "start" "-a" "90ce56fc18480cf8823d12d6b633ff937cd15652622c445b5c98639ae05966b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90ce56fc18480cf8823d12d6b633ff937cd15652622c445b5c98639ae05966b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90ce56fc18480cf8823d12d6b633ff937cd15652622c445b5c98639ae05966b0", kill_on_drop: false }` [INFO] [stdout] 90ce56fc18480cf8823d12d6b633ff937cd15652622c445b5c98639ae05966b0 [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] 8a6dca17a94b0e9c609b41392a9b12c677f6855dbcc0174bc068013de1c17da4 [INFO] running `Command { std: "docker" "start" "-a" "8a6dca17a94b0e9c609b41392a9b12c677f6855dbcc0174bc068013de1c17da4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling tokio v1.20.0 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling semver v1.0.12 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking time v0.3.11 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling libz-sys v1.1.8 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling libgit2-sys v0.13.4+1.4.2 [INFO] [stderr] Checking simplelog v0.12.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Checking clap v3.2.11 [INFO] [stderr] Checking git2 v0.14.4 [INFO] [stderr] Checking tokio-util v0.7.3 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.13 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ron v0.7.1 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.11 [INFO] [stderr] Checking mrvn v0.1.0-alpha (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.80s [INFO] running `Command { std: "docker" "inspect" "8a6dca17a94b0e9c609b41392a9b12c677f6855dbcc0174bc068013de1c17da4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a6dca17a94b0e9c609b41392a9b12c677f6855dbcc0174bc068013de1c17da4", kill_on_drop: false }` [INFO] [stdout] 8a6dca17a94b0e9c609b41392a9b12c677f6855dbcc0174bc068013de1c17da4 [INFO] checking mrvn-0.1.0-alpha against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mrvn 0.1.0-alpha into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mrvn 0.1.0-alpha 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 crates.io crate mrvn 0.1.0-alpha [INFO] finished tweaking crates.io crate mrvn 0.1.0-alpha [INFO] tweaked toml for crates.io crate mrvn 0.1.0-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate mrvn 0.1.0-alpha 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] [stderr] Blocking waiting for file lock on package cache [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] e96f99823cb658588f8e5f04faea44014669ab55a8a20f25c10b76415de76cfd [INFO] running `Command { std: "docker" "start" "-a" "e96f99823cb658588f8e5f04faea44014669ab55a8a20f25c10b76415de76cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e96f99823cb658588f8e5f04faea44014669ab55a8a20f25c10b76415de76cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e96f99823cb658588f8e5f04faea44014669ab55a8a20f25c10b76415de76cfd", kill_on_drop: false }` [INFO] [stdout] e96f99823cb658588f8e5f04faea44014669ab55a8a20f25c10b76415de76cfd [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] 23380ad38c54bd74596d8bb922e209b41e272390894c00e4a7ac365e3f159fdd [INFO] running `Command { std: "docker" "start" "-a" "23380ad38c54bd74596d8bb922e209b41e272390894c00e4a7ac365e3f159fdd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling tokio v1.20.0 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling semver v1.0.12 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling libz-sys v1.1.8 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling libgit2-sys v0.13.4+1.4.2 [INFO] [stderr] Checking time v0.3.11 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking simplelog v0.12.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Checking clap v3.2.11 [INFO] [stderr] Checking git2 v0.14.4 [INFO] [stderr] Checking tokio-util v0.7.3 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.13 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ron v0.7.1 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.11 [INFO] [stderr] Checking mrvn v0.1.0-alpha (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.97s [INFO] running `Command { std: "docker" "inspect" "23380ad38c54bd74596d8bb922e209b41e272390894c00e4a7ac365e3f159fdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23380ad38c54bd74596d8bb922e209b41e272390894c00e4a7ac365e3f159fdd", kill_on_drop: false }` [INFO] [stdout] 23380ad38c54bd74596d8bb922e209b41e272390894c00e4a7ac365e3f159fdd