[INFO] fetching crate codetour_export_to_md 2020.605.1303...
[INFO] checking codetour_export_to_md-2020.605.1303 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate codetour_export_to_md 2020.605.1303 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate codetour_export_to_md 2020.605.1303 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate codetour_export_to_md 2020.605.1303
[INFO] finished tweaking crates.io crate codetour_export_to_md 2020.605.1303
[INFO] tweaked toml for crates.io crate codetour_export_to_md 2020.605.1303 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate codetour_export_to_md 2020.605.1303 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42d67026a8ec93d353ca6df1bfe138765a018907a032bc8090daab59ebae90cb
[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" "42d67026a8ec93d353ca6df1bfe138765a018907a032bc8090daab59ebae90cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d67026a8ec93d353ca6df1bfe138765a018907a032bc8090daab59ebae90cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d67026a8ec93d353ca6df1bfe138765a018907a032bc8090daab59ebae90cb", kill_on_drop: false }`
[INFO] [stdout] 42d67026a8ec93d353ca6df1bfe138765a018907a032bc8090daab59ebae90cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 166fd8d0f7a72a218e6a3ef60280f8f26c91db17c91d7609143e1b6f253f50a9
[INFO] running `Command { std: "docker" "start" "-a" "166fd8d0f7a72a218e6a3ef60280f8f26c91db17c91d7609143e1b6f253f50a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking codetour_export_to_md v2020.605.1303 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.62s
[INFO] running `Command { std: "docker" "inspect" "166fd8d0f7a72a218e6a3ef60280f8f26c91db17c91d7609143e1b6f253f50a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166fd8d0f7a72a218e6a3ef60280f8f26c91db17c91d7609143e1b6f253f50a9", kill_on_drop: false }`
[INFO] [stdout] 166fd8d0f7a72a218e6a3ef60280f8f26c91db17c91d7609143e1b6f253f50a9