[INFO] cloning repository https://github.com/torrust/torrust-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torrust/torrust-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorrust%2Ftorrust-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorrust%2Ftorrust-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e8292a792d532b4ed7a7a2b133321fd74f15c6e
[INFO] checking torrust/torrust-tracker against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorrust%2Ftorrust-tracker" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torrust/torrust-tracker on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/torrust/torrust-tracker
[INFO] finished tweaking git repo https://github.com/torrust/torrust-tracker
[INFO] tweaked toml for git repo https://github.com/torrust/torrust-tracker written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/torrust/torrust-tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2_mysql v21.0.0
[INFO] [stderr]   Downloaded aquatic_udp_protocol v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34fda56cf1910d9ca312f915e094c98e7e137beecad9cab4ad35afb3a68c438a
[INFO] running `Command { std: "docker" "start" "-a" "34fda56cf1910d9ca312f915e094c98e7e137beecad9cab4ad35afb3a68c438a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fda56cf1910d9ca312f915e094c98e7e137beecad9cab4ad35afb3a68c438a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fda56cf1910d9ca312f915e094c98e7e137beecad9cab4ad35afb3a68c438a", kill_on_drop: false }`
[INFO] [stdout] 34fda56cf1910d9ca312f915e094c98e7e137beecad9cab4ad35afb3a68c438a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b15fe0306be3a9e7e467f2cc008dfee55ec2d6d09563966d66ad5ca4f55fd2e1
[INFO] running `Command { std: "docker" "start" "-a" "b15fe0306be3a9e7e467f2cc008dfee55ec2d6d09563966d66ad5ca4f55fd2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling async-trait v0.1.53
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[INFO] [stderr]    Compiling libloading v0.7.3
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[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
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[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.6
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[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking headers-core v0.2.0
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[INFO] [stderr]     Checking buf_redux v0.8.4
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling subprocess v0.2.8
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling clap v2.34.0
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[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking lexical v5.2.2
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking crypto-common v0.1.3
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[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]    Compiling cexpr v0.4.0
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[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.0
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling frunk_derives v0.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking frunk_proc_macros v0.1.0
[INFO] [stderr]     Checking frunk v0.4.0
[INFO] [stderr]    Compiling mysql_common v0.27.5
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.18.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
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[INFO] [stderr]     Checking tokio-rustls v0.22.0
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking serde_bencode v0.2.3
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking warp v0.3.2
[INFO] [stderr]     Checking r2d2_mysql v21.0.0
[INFO] [stderr]     Checking torrust-tracker v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3m 48s
[INFO] running `Command { std: "docker" "inspect" "b15fe0306be3a9e7e467f2cc008dfee55ec2d6d09563966d66ad5ca4f55fd2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15fe0306be3a9e7e467f2cc008dfee55ec2d6d09563966d66ad5ca4f55fd2e1", kill_on_drop: false }`
[INFO] [stdout] b15fe0306be3a9e7e467f2cc008dfee55ec2d6d09563966d66ad5ca4f55fd2e1