[INFO] fetching crate jackiechan 1.0.0...
[INFO] checking jackiechan-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jackiechan 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jackiechan 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 jackiechan 1.0.0
[INFO] finished tweaking crates.io crate jackiechan 1.0.0
[INFO] tweaked toml for crates.io crate jackiechan 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate jackiechan 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 futures-lite v1.11.3
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded blocking v0.6.1
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcc211b7ba62d0f02884f739a2879dbda064ab19682171021838990b4bf93bc
[INFO] running `Command { std: "docker" "start" "-a" "4fcc211b7ba62d0f02884f739a2879dbda064ab19682171021838990b4bf93bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcc211b7ba62d0f02884f739a2879dbda064ab19682171021838990b4bf93bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcc211b7ba62d0f02884f739a2879dbda064ab19682171021838990b4bf93bc", kill_on_drop: false }`
[INFO] [stdout] 4fcc211b7ba62d0f02884f739a2879dbda064ab19682171021838990b4bf93bc
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82e00bd99639f61cae28d6d4452c474a002e546f1e0f075f0db8022beefe950f
[INFO] running `Command { std: "docker" "start" "-a" "82e00bd99639f61cae28d6d4452c474a002e546f1e0f075f0db8022beefe950f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking jackiechan v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking blocking v0.6.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "82e00bd99639f61cae28d6d4452c474a002e546f1e0f075f0db8022beefe950f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e00bd99639f61cae28d6d4452c474a002e546f1e0f075f0db8022beefe950f", kill_on_drop: false }`
[INFO] [stdout] 82e00bd99639f61cae28d6d4452c474a002e546f1e0f075f0db8022beefe950f