[INFO] fetching crate c8-backup 0.3.0...
[INFO] checking c8-backup-0.3.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate c8-backup 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate c8-backup 0.3.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c8-backup 0.3.0
[INFO] finished tweaking crates.io crate c8-backup 0.3.0
[INFO] tweaked toml for crates.io crate c8-backup 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate c8-backup 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-tree v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded kube v0.82.2
[INFO] [stderr]   Downloaded chrono-humanize v0.2.2
[INFO] [stderr]   Downloaded treediff v4.0.2
[INFO] [stderr]   Downloaded json-patch v1.0.0
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[INFO] [stderr]   Downloaded rustls v0.21.1
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded hyper-rustls v0.24.0
[INFO] [stderr]   Downloaded kube-core v0.82.2
[INFO] [stderr]   Downloaded rustls-webpki v0.100.1
[INFO] [stderr]   Downloaded kube-client v0.82.2
[INFO] [stderr]   Downloaded kube-runtime v0.82.2
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded k8s-openapi v0.18.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d601e2795c83a38030e3123a05b5b77ebfd164e85d5625773a66d1218ec2d5d4
[INFO] running `Command { std: "docker" "start" "-a" "d601e2795c83a38030e3123a05b5b77ebfd164e85d5625773a66d1218ec2d5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d601e2795c83a38030e3123a05b5b77ebfd164e85d5625773a66d1218ec2d5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d601e2795c83a38030e3123a05b5b77ebfd164e85d5625773a66d1218ec2d5d4", kill_on_drop: false }`
[INFO] [stdout] d601e2795c83a38030e3123a05b5b77ebfd164e85d5625773a66d1218ec2d5d4
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e2b2c576127b229742803b906c9fd1b7bc7c35a7cdc2f79299f670c07a6f43
[INFO] running `Command { std: "docker" "start" "-a" "b1e2b2c576127b229742803b906c9fd1b7bc7c35a7cdc2f79299f670c07a6f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustls v0.21.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling k8s-openapi v0.18.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1e2b2c576127b229742803b906c9fd1b7bc7c35a7cdc2f79299f670c07a6f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e2b2c576127b229742803b906c9fd1b7bc7c35a7cdc2f79299f670c07a6f43", kill_on_drop: false }`
[INFO] [stdout] b1e2b2c576127b229742803b906c9fd1b7bc7c35a7cdc2f79299f670c07a6f43
[INFO] checking c8-backup-0.3.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate c8-backup 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate c8-backup 0.3.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c8-backup 0.3.0
[INFO] finished tweaking crates.io crate c8-backup 0.3.0
[INFO] tweaked toml for crates.io crate c8-backup 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate c8-backup 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34d5920a7a69d86eb7aa6f395613a1f481762abd59a8c00290945d453cbac05
[INFO] running `Command { std: "docker" "start" "-a" "e34d5920a7a69d86eb7aa6f395613a1f481762abd59a8c00290945d453cbac05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34d5920a7a69d86eb7aa6f395613a1f481762abd59a8c00290945d453cbac05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34d5920a7a69d86eb7aa6f395613a1f481762abd59a8c00290945d453cbac05", kill_on_drop: false }`
[INFO] [stdout] e34d5920a7a69d86eb7aa6f395613a1f481762abd59a8c00290945d453cbac05
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9939badae68a316780062e6bd52a88cc04934484adc62621aba224222b88e68c
[INFO] running `Command { std: "docker" "start" "-a" "9939badae68a316780062e6bd52a88cc04934484adc62621aba224222b88e68c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustls v0.21.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling k8s-openapi v0.18.0
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9939badae68a316780062e6bd52a88cc04934484adc62621aba224222b88e68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9939badae68a316780062e6bd52a88cc04934484adc62621aba224222b88e68c", kill_on_drop: false }`
[INFO] [stdout] 9939badae68a316780062e6bd52a88cc04934484adc62621aba224222b88e68c
