[INFO] fetching crate fasttext 0.7.8...
[INFO] checking fasttext-0.7.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fasttext 0.7.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fasttext 0.7.8 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 fasttext 0.7.8
[INFO] finished tweaking crates.io crate fasttext 0.7.8
[INFO] tweaked toml for crates.io crate fasttext 0.7.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[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 cfasttext-sys v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7076f52cc3eee1a865f389f16caaf489d45ca3010f87caca2d901540eb355ae8
[INFO] running `Command { std: "docker" "start" "-a" "7076f52cc3eee1a865f389f16caaf489d45ca3010f87caca2d901540eb355ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7076f52cc3eee1a865f389f16caaf489d45ca3010f87caca2d901540eb355ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7076f52cc3eee1a865f389f16caaf489d45ca3010f87caca2d901540eb355ae8", kill_on_drop: false }`
[INFO] [stdout] 7076f52cc3eee1a865f389f16caaf489d45ca3010f87caca2d901540eb355ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 33660b7b58f3c8f152904ddff04f9fde9df7c99060fecd6b5c15c9ec492f37f4
[INFO] running `Command { std: "docker" "start" "-a" "33660b7b58f3c8f152904ddff04f9fde9df7c99060fecd6b5c15c9ec492f37f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfasttext-sys v0.7.8
[INFO] [stderr]     Checking fasttext v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.58s
[INFO] running `Command { std: "docker" "inspect" "33660b7b58f3c8f152904ddff04f9fde9df7c99060fecd6b5c15c9ec492f37f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33660b7b58f3c8f152904ddff04f9fde9df7c99060fecd6b5c15c9ec492f37f4", kill_on_drop: false }`
[INFO] [stdout] 33660b7b58f3c8f152904ddff04f9fde9df7c99060fecd6b5c15c9ec492f37f4
[INFO] checking fasttext-0.7.8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate fasttext 0.7.8 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate fasttext 0.7.8 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 fasttext 0.7.8
[INFO] finished tweaking crates.io crate fasttext 0.7.8
[INFO] tweaked toml for crates.io crate fasttext 0.7.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 81118866e5a32a153f4d2d66a79cb7171b5430d61b026b19915e6335f9ca211c
[INFO] running `Command { std: "docker" "start" "-a" "81118866e5a32a153f4d2d66a79cb7171b5430d61b026b19915e6335f9ca211c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81118866e5a32a153f4d2d66a79cb7171b5430d61b026b19915e6335f9ca211c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81118866e5a32a153f4d2d66a79cb7171b5430d61b026b19915e6335f9ca211c", kill_on_drop: false }`
[INFO] [stdout] 81118866e5a32a153f4d2d66a79cb7171b5430d61b026b19915e6335f9ca211c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dcf24dcc972e07e07e34af254886f2da14b09a853b4df56724dd0a1d9fc23e91
[INFO] running `Command { std: "docker" "start" "-a" "dcf24dcc972e07e07e34af254886f2da14b09a853b4df56724dd0a1d9fc23e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfasttext-sys v0.7.8
[INFO] [stderr]     Checking fasttext v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.13s
[INFO] running `Command { std: "docker" "inspect" "dcf24dcc972e07e07e34af254886f2da14b09a853b4df56724dd0a1d9fc23e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf24dcc972e07e07e34af254886f2da14b09a853b4df56724dd0a1d9fc23e91", kill_on_drop: false }`
[INFO] [stdout] dcf24dcc972e07e07e34af254886f2da14b09a853b4df56724dd0a1d9fc23e91