[INFO] cloning repository https://github.com/Jezza/txl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jezza/txl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Ftxl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Ftxl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8408290237792d598bc49ae2990bbc5c636d68e2
[INFO] checking Jezza/txl against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Ftxl" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jezza/txl on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jezza/txl
[INFO] finished tweaking git repo https://github.com/Jezza/txl
[INFO] tweaked toml for git repo https://github.com/Jezza/txl written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Jezza/txl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Jezza/tmux-interface-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded term_size v1.0.0-beta1
[INFO] [stderr]   Downloaded structopt-derive v0.3.2
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded structopt v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 9fca0232ddc3fb1ed65d75ea4886f86b4f48d0f0725c5596f1cbd3017c1211ff
[INFO] running `Command { std: "docker" "start" "-a" "9fca0232ddc3fb1ed65d75ea4886f86b4f48d0f0725c5596f1cbd3017c1211ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fca0232ddc3fb1ed65d75ea4886f86b4f48d0f0725c5596f1cbd3017c1211ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fca0232ddc3fb1ed65d75ea4886f86b4f48d0f0725c5596f1cbd3017c1211ff", kill_on_drop: false }`
[INFO] [stdout] 9fca0232ddc3fb1ed65d75ea4886f86b4f48d0f0725c5596f1cbd3017c1211ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] f32d1077ae8b8d635f928a129fe8f5dcab5287de4f97b03f201cb52732bf6eb8
[INFO] running `Command { std: "docker" "start" "-a" "f32d1077ae8b8d635f928a129fe8f5dcab5287de4f97b03f201cb52732bf6eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tmux_interface v0.0.5 (https://github.com/Jezza/tmux-interface-rs?branch=dev#437ed1ec)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking term_size v1.0.0-beta1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking txl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.63s
[INFO] running `Command { std: "docker" "inspect" "f32d1077ae8b8d635f928a129fe8f5dcab5287de4f97b03f201cb52732bf6eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32d1077ae8b8d635f928a129fe8f5dcab5287de4f97b03f201cb52732bf6eb8", kill_on_drop: false }`
[INFO] [stdout] f32d1077ae8b8d635f928a129fe8f5dcab5287de4f97b03f201cb52732bf6eb8