[INFO] cloning repository https://github.com/cipher-og/fall_back
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cipher-og/fall_back" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcipher-og%2Ffall_back", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcipher-og%2Ffall_back'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0260cdfbec65fe177effd88b0511e56993aeedd8
[INFO] checking cipher-og/fall_back/0260cdfbec65fe177effd88b0511e56993aeedd8 against master#021fc25b7a48f6051bee1e1f06c7a277e4de1cc9 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcipher-og%2Ffall_back" "/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/cipher-og/fall_back
[INFO] finished tweaking git repo https://github.com/cipher-og/fall_back
[INFO] tweaked toml for git repo https://github.com/cipher-og/fall_back written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cipher-og/fall_back on toolchain 021fc25b7a48f6051bee1e1f06c7a277e4de1cc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cipher-og/fall_back 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" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding deranged v0.5.5
[INFO] [stderr]       Adding num-conv v0.1.0
[INFO] [stderr]       Adding num_threads v0.1.7
[INFO] [stderr]       Adding powerfmt v0.2.0
[INFO] [stderr]       Adding simplelog v0.12.2
[INFO] [stderr]       Adding termcolor v1.4.1
[INFO] [stderr]       Adding time v0.3.44 (available: v0.3.46)
[INFO] [stderr]       Adding time-core v0.1.6 (available: v0.1.8)
[INFO] [stderr]       Adding time-macros v0.2.24 (available: v0.2.26)
[INFO] [stderr]       Adding winapi-util v0.1.11
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.103
[INFO] [stderr]   Downloaded quinn-udp v0.5.2
[INFO] [stderr]   Downloaded quinn v0.11.2
[INFO] [stderr]   Downloaded scraper v0.19.0
[INFO] [stderr]   Downloaded simplelog v0.12.2
[INFO] [stderr]   Downloaded quinn-proto v0.11.3
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84bdc624b42a141b598e884aa12d9064afd21f90d4b01146bbc972aeedef320
[INFO] running `Command { std: "docker" "start" "-a" "f84bdc624b42a141b598e884aa12d9064afd21f90d4b01146bbc972aeedef320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84bdc624b42a141b598e884aa12d9064afd21f90d4b01146bbc972aeedef320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84bdc624b42a141b598e884aa12d9064afd21f90d4b01146bbc972aeedef320", kill_on_drop: false }`
[INFO] [stdout] f84bdc624b42a141b598e884aa12d9064afd21f90d4b01146bbc972aeedef320
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5523dc0fffa93943b4f1948e6bc665a88d5e1b34e54077f6b5d54de4814495c4
[INFO] running `Command { std: "docker" "start" "-a" "5523dc0fffa93943b4f1948e6bc665a88d5e1b34e54077f6b5d54de4814495c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling cc v1.0.103
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking hyper v1.3.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper-util v0.1.5
[INFO] [stderr]    Compiling rustls v0.23.10
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking rustls-webpki v0.102.4
[INFO] [stderr]     Checking scraper v0.19.0
[INFO] [stderr]     Checking tokio-rustls v0.26.0
[INFO] [stderr]     Checking hyper-rustls v0.27.2
[INFO] [stderr]     Checking reqwest v0.12.5
[INFO] [stderr]     Checking fall_back v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.97s
[INFO] running `Command { std: "docker" "inspect" "5523dc0fffa93943b4f1948e6bc665a88d5e1b34e54077f6b5d54de4814495c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5523dc0fffa93943b4f1948e6bc665a88d5e1b34e54077f6b5d54de4814495c4", kill_on_drop: false }`
[INFO] [stdout] 5523dc0fffa93943b4f1948e6bc665a88d5e1b34e54077f6b5d54de4814495c4