[INFO] fetching crate serbzip 0.10.0...
[INFO] checking serbzip-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate serbzip 0.10.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate serbzip 0.10.0 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 serbzip 0.10.0
[INFO] finished tweaking crates.io crate serbzip 0.10.0
[INFO] tweaked toml for crates.io crate serbzip 0.10.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate serbzip 0.10.0 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 home v0.5.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.32
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.1
[INFO] [stderr]   Downloaded virtue v0.0.7
[INFO] [stderr]   Downloaded clap_derive v3.2.17
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.1
[INFO] [stderr]   Downloaded libc v0.2.131
[INFO] [stderr]   Downloaded serbzip-core v0.10.0
[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] 532d096d508b5093625016f757594106e9fb19776f57a2bdc92b65af9a2958a4
[INFO] running `Command { std: "docker" "start" "-a" "532d096d508b5093625016f757594106e9fb19776f57a2bdc92b65af9a2958a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532d096d508b5093625016f757594106e9fb19776f57a2bdc92b65af9a2958a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532d096d508b5093625016f757594106e9fb19776f57a2bdc92b65af9a2958a4", kill_on_drop: false }`
[INFO] [stdout] 532d096d508b5093625016f757594106e9fb19776f57a2bdc92b65af9a2958a4
[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] 8e8be15f099049a43038e3632a0759084fc2d4363208f324cf014fb4c1956572
[INFO] running `Command { std: "docker" "start" "-a" "8e8be15f099049a43038e3632a0759084fc2d4363208f324cf014fb4c1956572", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serbzip-core v0.10.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking serbzip v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "8e8be15f099049a43038e3632a0759084fc2d4363208f324cf014fb4c1956572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8be15f099049a43038e3632a0759084fc2d4363208f324cf014fb4c1956572", kill_on_drop: false }`
[INFO] [stdout] 8e8be15f099049a43038e3632a0759084fc2d4363208f324cf014fb4c1956572
[INFO] checking serbzip-0.10.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate serbzip 0.10.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate serbzip 0.10.0 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 serbzip 0.10.0
[INFO] finished tweaking crates.io crate serbzip 0.10.0
[INFO] tweaked toml for crates.io crate serbzip 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate serbzip 0.10.0 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-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] 2ffeda698561834e1656eb1222f27ae33437b2d2e20609a371f8c8a6728d6d14
[INFO] running `Command { std: "docker" "start" "-a" "2ffeda698561834e1656eb1222f27ae33437b2d2e20609a371f8c8a6728d6d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ffeda698561834e1656eb1222f27ae33437b2d2e20609a371f8c8a6728d6d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffeda698561834e1656eb1222f27ae33437b2d2e20609a371f8c8a6728d6d14", kill_on_drop: false }`
[INFO] [stdout] 2ffeda698561834e1656eb1222f27ae33437b2d2e20609a371f8c8a6728d6d14
[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] 273cd911543b3f866e69c3e773999db09660a880cc341a2953cd95a71891f5a5
[INFO] running `Command { std: "docker" "start" "-a" "273cd911543b3f866e69c3e773999db09660a880cc341a2953cd95a71891f5a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]     Checking serbzip-core v0.10.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking serbzip v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.76s
[INFO] running `Command { std: "docker" "inspect" "273cd911543b3f866e69c3e773999db09660a880cc341a2953cd95a71891f5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273cd911543b3f866e69c3e773999db09660a880cc341a2953cd95a71891f5a5", kill_on_drop: false }`
[INFO] [stdout] 273cd911543b3f866e69c3e773999db09660a880cc341a2953cd95a71891f5a5