[INFO] cloning repository https://github.com/sammosampson/cavern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammosampson/cavern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fcavern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fcavern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af0716a0b6d5487f84fb30add2034d0ed07b39be
[INFO] checking sammosampson/cavern against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fcavern" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammosampson/cavern on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sammosampson/cavern
[INFO] finished tweaking git repo https://github.com/sammosampson/cavern
[INFO] tweaked toml for git repo https://github.com/sammosampson/cavern written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sammosampson/cavern 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64f4297071f5c662f0f2ad83b49e1dba59f2baf84cd9023f0199110c81d84e90
[INFO] running `Command { std: "docker" "start" "-a" "64f4297071f5c662f0f2ad83b49e1dba59f2baf84cd9023f0199110c81d84e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f4297071f5c662f0f2ad83b49e1dba59f2baf84cd9023f0199110c81d84e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f4297071f5c662f0f2ad83b49e1dba59f2baf84cd9023f0199110c81d84e90", kill_on_drop: false }`
[INFO] [stdout] 64f4297071f5c662f0f2ad83b49e1dba59f2baf84cd9023f0199110c81d84e90
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312b885efd81f2c91465136696343dddc9a405f145824596aa97ad97f74bb163
[INFO] running `Command { std: "docker" "start" "-a" "312b885efd81f2c91465136696343dddc9a405f145824596aa97ad97f74bb163", kill_on_drop: false }`
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[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling legion_codegen v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking epi v0.14.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking legion v0.3.1
[INFO] [stderr]     Checking egui_glium v0.14.0
[INFO] [stderr]     Checking cavern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "312b885efd81f2c91465136696343dddc9a405f145824596aa97ad97f74bb163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312b885efd81f2c91465136696343dddc9a405f145824596aa97ad97f74bb163", kill_on_drop: false }`
[INFO] [stdout] 312b885efd81f2c91465136696343dddc9a405f145824596aa97ad97f74bb163