[INFO] cloning repository https://github.com/kyrosle/flutter_blog_backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyrosle/flutter_blog_backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrosle%2Fflutter_blog_backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrosle%2Fflutter_blog_backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94bd804910189b630752e87b4b597f42a911e798
[INFO] testing kyrosle/flutter_blog_backend against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrosle%2Fflutter_blog_backend" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyrosle/flutter_blog_backend
[INFO] finished tweaking git repo https://github.com/kyrosle/flutter_blog_backend
[INFO] tweaked toml for git repo https://github.com/kyrosle/flutter_blog_backend written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyrosle/flutter_blog_backend on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyrosle/flutter_blog_backend 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
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[INFO] [stderr]   Downloaded tempfile v3.3.0
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[INFO] [stderr]   Downloaded futures-macro v0.3.25
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[INFO] [stderr]   Downloaded tower v0.4.13
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[INFO] [stderr]   Downloaded dark-std v0.2.3
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[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d1e7a11fd78d2b30cecbfb2cc4f57937cb80eb2c61b46b8cb04527a3931ad1
[INFO] running `Command { std: "docker" "start" "-a" "b7d1e7a11fd78d2b30cecbfb2cc4f57937cb80eb2c61b46b8cb04527a3931ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d1e7a11fd78d2b30cecbfb2cc4f57937cb80eb2c61b46b8cb04527a3931ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d1e7a11fd78d2b30cecbfb2cc4f57937cb80eb2c61b46b8cb04527a3931ad1", kill_on_drop: false }`
[INFO] [stdout] b7d1e7a11fd78d2b30cecbfb2cc4f57937cb80eb2c61b46b8cb04527a3931ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79dbd3365939a022f8500a4d592c6276637453d24aed3edb33fd73cf0d0e601e
[INFO] running `Command { std: "docker" "start" "-a" "79dbd3365939a022f8500a4d592c6276637453d24aed3edb33fd73cf0d0e601e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "79dbd3365939a022f8500a4d592c6276637453d24aed3edb33fd73cf0d0e601e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79dbd3365939a022f8500a4d592c6276637453d24aed3edb33fd73cf0d0e601e", kill_on_drop: false }`
[INFO] [stdout] 79dbd3365939a022f8500a4d592c6276637453d24aed3edb33fd73cf0d0e601e