[INFO] fetching crate how-install 1.0.0...
[INFO] checking how-install-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate how-install 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate how-install 1.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate how-install 1.0.0
[INFO] finished tweaking crates.io crate how-install 1.0.0
[INFO] tweaked toml for crates.io crate how-install 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate how-install 1.0.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded pager v0.16.0
[INFO] [stderr]   Downloaded app_dirs2 v2.5.0
[INFO] [stderr]   Downloaded how-install-tealdeer v1.5.0
[INFO] [stderr]   Downloaded owo-colors v3.4.0
[INFO] [stderr]   Downloaded zip v0.6.2
[INFO] [stderr]   Downloaded webpki-roots v0.22.3
[INFO] [stderr]   Downloaded nix v0.24.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2545aae272bc17ce6e37d6ab6228dc6733b74e57bf51e266d841a54fe953f7e
[INFO] running `Command { std: "docker" "start" "-a" "e2545aae272bc17ce6e37d6ab6228dc6733b74e57bf51e266d841a54fe953f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2545aae272bc17ce6e37d6ab6228dc6733b74e57bf51e266d841a54fe953f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2545aae272bc17ce6e37d6ab6228dc6733b74e57bf51e266d841a54fe953f7e", kill_on_drop: false }`
[INFO] [stdout] e2545aae272bc17ce6e37d6ab6228dc6733b74e57bf51e266d841a54fe953f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6fecdd7a7d446220f412f64baa7adca1440fe4a1d6c12598019f966c275e9a7
[INFO] running `Command { std: "docker" "start" "-a" "e6fecdd7a7d446220f412f64baa7adca1440fe4a1d6c12598019f966c275e9a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking pager v0.16.0
[INFO] [stderr]     Checking app_dirs2 v2.5.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking scraper v0.13.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking how-install-tealdeer v1.5.0
[INFO] [stderr]     Checking how-install v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "e6fecdd7a7d446220f412f64baa7adca1440fe4a1d6c12598019f966c275e9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fecdd7a7d446220f412f64baa7adca1440fe4a1d6c12598019f966c275e9a7", kill_on_drop: false }`
[INFO] [stdout] e6fecdd7a7d446220f412f64baa7adca1440fe4a1d6c12598019f966c275e9a7