[INFO] cloning repository https://github.com/themanwiththeplan-eng/rustkeep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themanwiththeplan-eng/rustkeep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemanwiththeplan-eng%2Frustkeep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemanwiththeplan-eng%2Frustkeep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 676946bca33ea1d4b030c36268b8c919bace8186
[INFO] checking themanwiththeplan-eng/rustkeep against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemanwiththeplan-eng%2Frustkeep" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themanwiththeplan-eng/rustkeep 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 git repo https://github.com/themanwiththeplan-eng/rustkeep
[INFO] finished tweaking git repo https://github.com/themanwiththeplan-eng/rustkeep
[INFO] tweaked toml for git repo https://github.com/themanwiththeplan-eng/rustkeep written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/themanwiththeplan-eng/rustkeep 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64ct v1.6.0
[INFO] [stderr]   Downloaded zeroize v1.7.0
[INFO] [stderr]   Downloaded rsa v0.9.6
[INFO] [stderr]   Downloaded random-number-macro-impl v0.1.7
[INFO] [stderr]   Downloaded random-number v0.1.8
[INFO] [stderr]   Downloaded random-pick v1.2.16
[INFO] [stderr]   Downloaded signature v2.2.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]   Downloaded pem-rfc7468 v0.7.0
[INFO] [stderr]   Downloaded pkcs1 v0.7.5
[INFO] [stderr]   Downloaded const-oid v0.9.6
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.4
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] [stderr]   Downloaded der v0.7.8
[INFO] [stderr]   Downloaded pkcs8 v0.10.2
[INFO] [stderr]   Downloaded spki v0.7.3
[INFO] [stderr]   Downloaded passwords v3.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 111989edd6d02460d60ea14fd48696e9c758c2cc62b809c3bb144930f616fe7f
[INFO] running `Command { std: "docker" "start" "-a" "111989edd6d02460d60ea14fd48696e9c758c2cc62b809c3bb144930f616fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "111989edd6d02460d60ea14fd48696e9c758c2cc62b809c3bb144930f616fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111989edd6d02460d60ea14fd48696e9c758c2cc62b809c3bb144930f616fe7f", kill_on_drop: false }`
[INFO] [stdout] 111989edd6d02460d60ea14fd48696e9c758c2cc62b809c3bb144930f616fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 06b731134b15a109474f38ed94b546b87aee86599f3590f9229776f432375397
[INFO] running `Command { std: "docker" "start" "-a" "06b731134b15a109474f38ed94b546b87aee86599f3590f9229776f432375397", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.7
[INFO] [stderr]     Checking random-number v0.1.8
[INFO] [stderr]     Checking random-pick v1.2.16
[INFO] [stderr]     Checking passwords v3.1.16
[INFO] [stderr]     Checking rustkeep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "06b731134b15a109474f38ed94b546b87aee86599f3590f9229776f432375397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b731134b15a109474f38ed94b546b87aee86599f3590f9229776f432375397", kill_on_drop: false }`
[INFO] [stdout] 06b731134b15a109474f38ed94b546b87aee86599f3590f9229776f432375397
[INFO] checking themanwiththeplan-eng/rustkeep against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemanwiththeplan-eng%2Frustkeep" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themanwiththeplan-eng/rustkeep 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 git repo https://github.com/themanwiththeplan-eng/rustkeep
[INFO] finished tweaking git repo https://github.com/themanwiththeplan-eng/rustkeep
[INFO] tweaked toml for git repo https://github.com/themanwiththeplan-eng/rustkeep written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/themanwiththeplan-eng/rustkeep 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ac88c4a6bde48c29824c60eefcf76db6259a4f64f7c120d20889b8ebd5f3f4c9
[INFO] running `Command { std: "docker" "start" "-a" "ac88c4a6bde48c29824c60eefcf76db6259a4f64f7c120d20889b8ebd5f3f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac88c4a6bde48c29824c60eefcf76db6259a4f64f7c120d20889b8ebd5f3f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac88c4a6bde48c29824c60eefcf76db6259a4f64f7c120d20889b8ebd5f3f4c9", kill_on_drop: false }`
[INFO] [stdout] ac88c4a6bde48c29824c60eefcf76db6259a4f64f7c120d20889b8ebd5f3f4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd79ce5d02d3eb521b4d9a13d85459f05ad5f082abe84495006b21ffd95594ae
[INFO] running `Command { std: "docker" "start" "-a" "cd79ce5d02d3eb521b4d9a13d85459f05ad5f082abe84495006b21ffd95594ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.7
[INFO] [stderr]     Checking random-number v0.1.8
[INFO] [stderr]     Checking random-pick v1.2.16
[INFO] [stderr]     Checking passwords v3.1.16
[INFO] [stderr]     Checking rustkeep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "cd79ce5d02d3eb521b4d9a13d85459f05ad5f082abe84495006b21ffd95594ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd79ce5d02d3eb521b4d9a13d85459f05ad5f082abe84495006b21ffd95594ae", kill_on_drop: false }`
[INFO] [stdout] cd79ce5d02d3eb521b4d9a13d85459f05ad5f082abe84495006b21ffd95594ae