[INFO] fetching crate jokolink 0.4.0...
[INFO] checking jokolink-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jokolink 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jokolink 0.4.0 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 jokolink 0.4.0
[INFO] finished tweaking crates.io crate jokolink 0.4.0
[INFO] tweaked toml for crates.io crate jokolink 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate jokolink 0.4.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gethostname v0.2.3
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded tracing-appender v0.2.2
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded sysinfo v0.25.3
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] [stderr]   Downloaded windows_i686_gnu v0.38.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.38.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.38.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.38.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.38.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded windows v0.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7f359d79f95506a6255e3d5a9cb2c81f75e92631a835ff69e9387fc61195c16f
[INFO] running `Command { std: "docker" "start" "-a" "7f359d79f95506a6255e3d5a9cb2c81f75e92631a835ff69e9387fc61195c16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f359d79f95506a6255e3d5a9cb2c81f75e92631a835ff69e9387fc61195c16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f359d79f95506a6255e3d5a9cb2c81f75e92631a835ff69e9387fc61195c16f", kill_on_drop: false }`
[INFO] [stdout] 7f359d79f95506a6255e3d5a9cb2c81f75e92631a835ff69e9387fc61195c16f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 643cbb1d57172d3a513adc553b58c1d19ea663909aeec4573e2b7fe968a2a3c8
[INFO] running `Command { std: "docker" "start" "-a" "643cbb1d57172d3a513adc553b58c1d19ea663909aeec4573e2b7fe968a2a3c8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling sysinfo v0.25.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking jokolink v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "643cbb1d57172d3a513adc553b58c1d19ea663909aeec4573e2b7fe968a2a3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643cbb1d57172d3a513adc553b58c1d19ea663909aeec4573e2b7fe968a2a3c8", kill_on_drop: false }`
[INFO] [stdout] 643cbb1d57172d3a513adc553b58c1d19ea663909aeec4573e2b7fe968a2a3c8
[INFO] checking jokolink-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jokolink 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate jokolink 0.4.0 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 jokolink 0.4.0
[INFO] finished tweaking crates.io crate jokolink 0.4.0
[INFO] tweaked toml for crates.io crate jokolink 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate jokolink 0.4.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 734ecc54d0d5a345eed7f19a9cbf349b574452c033998893fd0c39980e9928e5
[INFO] running `Command { std: "docker" "start" "-a" "734ecc54d0d5a345eed7f19a9cbf349b574452c033998893fd0c39980e9928e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734ecc54d0d5a345eed7f19a9cbf349b574452c033998893fd0c39980e9928e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734ecc54d0d5a345eed7f19a9cbf349b574452c033998893fd0c39980e9928e5", kill_on_drop: false }`
[INFO] [stdout] 734ecc54d0d5a345eed7f19a9cbf349b574452c033998893fd0c39980e9928e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 487900013ab98b0de57266e2832504728ae06e8c529e1d477cd764d065af45d6
[INFO] running `Command { std: "docker" "start" "-a" "487900013ab98b0de57266e2832504728ae06e8c529e1d477cd764d065af45d6", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.25.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking jokolink v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.01s
[INFO] running `Command { std: "docker" "inspect" "487900013ab98b0de57266e2832504728ae06e8c529e1d477cd764d065af45d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487900013ab98b0de57266e2832504728ae06e8c529e1d477cd764d065af45d6", kill_on_drop: false }`
[INFO] [stdout] 487900013ab98b0de57266e2832504728ae06e8c529e1d477cd764d065af45d6