[INFO] cloning repository https://github.com/ccapitalK/mdscrape
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccapitalK/mdscrape" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fmdscrape", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fmdscrape'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b2436edf0f617e8e7b1878489aa22722c99fc6
[INFO] checking ccapitalK/mdscrape against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FccapitalK%2Fmdscrape" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccapitalK/mdscrape on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccapitalK/mdscrape
[INFO] finished tweaking git repo https://github.com/ccapitalK/mdscrape
[INFO] tweaked toml for git repo https://github.com/ccapitalK/mdscrape written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ccapitalK/mdscrape already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d749f14b8616c0a4f90593fdab8c6a0a4086c6d2f15e4bacd92b8b971d330f64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d749f14b8616c0a4f90593fdab8c6a0a4086c6d2f15e4bacd92b8b971d330f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d749f14b8616c0a4f90593fdab8c6a0a4086c6d2f15e4bacd92b8b971d330f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d749f14b8616c0a4f90593fdab8c6a0a4086c6d2f15e4bacd92b8b971d330f64", kill_on_drop: false }`
[INFO] [stdout] d749f14b8616c0a4f90593fdab8c6a0a4086c6d2f15e4bacd92b8b971d330f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] aea3fefa48a99950d0a7db35d1a0c1e3109b9fce79154985b2ad87a26e1695a0
[INFO] running `Command { std: "docker" "start" "-a" "aea3fefa48a99950d0a7db35d1a0c1e3109b9fce79154985b2ad87a26e1695a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking mdscrape v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.79s
[INFO] running `Command { std: "docker" "inspect" "aea3fefa48a99950d0a7db35d1a0c1e3109b9fce79154985b2ad87a26e1695a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea3fefa48a99950d0a7db35d1a0c1e3109b9fce79154985b2ad87a26e1695a0", kill_on_drop: false }`
[INFO] [stdout] aea3fefa48a99950d0a7db35d1a0c1e3109b9fce79154985b2ad87a26e1695a0