[INFO] fetching crate ccapi 0.3.0...
[INFO] checking ccapi-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ccapi 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ccapi 0.3.0 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 ccapi 0.3.0
[INFO] finished tweaking crates.io crate ccapi 0.3.0
[INFO] tweaked toml for crates.io crate ccapi 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ccapi 0.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded ureq v2.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded webpki-roots v0.22.4
[INFO] [stderr]   Downloaded rustls v0.20.6
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded unicode-normalization v0.1.21
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded unicode-bidi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 26e4d4d5a00a845fcb32e1dd95016cb83e414387d5d6d7e30977c77bacedd54a
[INFO] running `Command { std: "docker" "start" "-a" "26e4d4d5a00a845fcb32e1dd95016cb83e414387d5d6d7e30977c77bacedd54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e4d4d5a00a845fcb32e1dd95016cb83e414387d5d6d7e30977c77bacedd54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e4d4d5a00a845fcb32e1dd95016cb83e414387d5d6d7e30977c77bacedd54a", kill_on_drop: false }`
[INFO] [stdout] 26e4d4d5a00a845fcb32e1dd95016cb83e414387d5d6d7e30977c77bacedd54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 506c4cb66637568eb78ec09322b97911dbb4317c8b815b81eee48afc51b9ee44
[INFO] running `Command { std: "docker" "start" "-a" "506c4cb66637568eb78ec09322b97911dbb4317c8b815b81eee48afc51b9ee44", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking ccapi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `Command { std: "docker" "inspect" "506c4cb66637568eb78ec09322b97911dbb4317c8b815b81eee48afc51b9ee44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506c4cb66637568eb78ec09322b97911dbb4317c8b815b81eee48afc51b9ee44", kill_on_drop: false }`
[INFO] [stdout] 506c4cb66637568eb78ec09322b97911dbb4317c8b815b81eee48afc51b9ee44
[INFO] checking ccapi-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ccapi 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ccapi 0.3.0 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 ccapi 0.3.0
[INFO] finished tweaking crates.io crate ccapi 0.3.0
[INFO] tweaked toml for crates.io crate ccapi 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ccapi 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 849446292eb20dd00aa32ac1c1dfd4a4d52ab0d8542e4a26b66432aeeb073056
[INFO] running `Command { std: "docker" "start" "-a" "849446292eb20dd00aa32ac1c1dfd4a4d52ab0d8542e4a26b66432aeeb073056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "849446292eb20dd00aa32ac1c1dfd4a4d52ab0d8542e4a26b66432aeeb073056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849446292eb20dd00aa32ac1c1dfd4a4d52ab0d8542e4a26b66432aeeb073056", kill_on_drop: false }`
[INFO] [stdout] 849446292eb20dd00aa32ac1c1dfd4a4d52ab0d8542e4a26b66432aeeb073056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aecc2001d57afb1bfc533739469b05e9d78055322927ca28df0cc3c2ce3bf129
[INFO] running `Command { std: "docker" "start" "-a" "aecc2001d57afb1bfc533739469b05e9d78055322927ca28df0cc3c2ce3bf129", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking ccapi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "aecc2001d57afb1bfc533739469b05e9d78055322927ca28df0cc3c2ce3bf129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aecc2001d57afb1bfc533739469b05e9d78055322927ca28df0cc3c2ce3bf129", kill_on_drop: false }`
[INFO] [stdout] aecc2001d57afb1bfc533739469b05e9d78055322927ca28df0cc3c2ce3bf129