[INFO] fetching crate discordrpc 0.2.2...
[INFO] checking discordrpc-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate discordrpc 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate discordrpc 0.2.2 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 discordrpc 0.2.2
[INFO] finished tweaking crates.io crate discordrpc 0.2.2
[INFO] tweaked toml for crates.io crate discordrpc 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate discordrpc 0.2.2 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 backtrace v0.3.65
[INFO] [stderr]   Downloaded discord-rich-presence v0.2.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.1
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded better-panic v0.3.0
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded windows-named-pipe v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6226f00de6e2a1ca1673f30767a232b626591f461b50df8a39835a0f2cb71e90
[INFO] running `Command { std: "docker" "start" "-a" "6226f00de6e2a1ca1673f30767a232b626591f461b50df8a39835a0f2cb71e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6226f00de6e2a1ca1673f30767a232b626591f461b50df8a39835a0f2cb71e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6226f00de6e2a1ca1673f30767a232b626591f461b50df8a39835a0f2cb71e90", kill_on_drop: false }`
[INFO] [stdout] 6226f00de6e2a1ca1673f30767a232b626591f461b50df8a39835a0f2cb71e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f6f245283eb407d1cf7870988ea6c6f5da42d71bc591ba027d09a012d25219e4
[INFO] running `Command { std: "docker" "start" "-a" "f6f245283eb407d1cf7870988ea6c6f5da42d71bc591ba027d09a012d25219e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking roff v0.2.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking better-panic v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking clap_mangen v0.1.6
[INFO] [stderr]     Checking clap_complete v3.1.4
[INFO] [stderr]     Checking discord-rich-presence v0.2.0
[INFO] [stderr]     Checking discordrpc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "f6f245283eb407d1cf7870988ea6c6f5da42d71bc591ba027d09a012d25219e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f245283eb407d1cf7870988ea6c6f5da42d71bc591ba027d09a012d25219e4", kill_on_drop: false }`
[INFO] [stdout] f6f245283eb407d1cf7870988ea6c6f5da42d71bc591ba027d09a012d25219e4