[INFO] cloning repository https://github.com/jazz-lang/Jazz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jazz-lang/Jazz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abf4b281d5013cbc0f0112f7a0c643e3c409962b
[INFO] checking jazz-lang/Jazz against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jazz-lang/Jazz
[INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz
[INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jazz-lang/Jazz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/softdevteam/lang_tester`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 890bd4947fd3670527149eccd63ddebb3167f0465c94fe8242437665ca945167
[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" "890bd4947fd3670527149eccd63ddebb3167f0465c94fe8242437665ca945167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890bd4947fd3670527149eccd63ddebb3167f0465c94fe8242437665ca945167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890bd4947fd3670527149eccd63ddebb3167f0465c94fe8242437665ca945167", kill_on_drop: false }`
[INFO] [stdout] 890bd4947fd3670527149eccd63ddebb3167f0465c94fe8242437665ca945167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ae5a2b79cdd2d28b4e1e1c3fd088ae7f2cf5953dc2eafd5da6671f107bab137
[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" "1ae5a2b79cdd2d28b4e1e1c3fd088ae7f2cf5953dc2eafd5da6671f107bab137", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking lang_tester v0.3.10 (https://github.com/softdevteam/lang_tester#e8fcafc8)
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking jazz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.33s
[INFO] running `Command { std: "docker" "inspect" "1ae5a2b79cdd2d28b4e1e1c3fd088ae7f2cf5953dc2eafd5da6671f107bab137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae5a2b79cdd2d28b4e1e1c3fd088ae7f2cf5953dc2eafd5da6671f107bab137", kill_on_drop: false }`
[INFO] [stdout] 1ae5a2b79cdd2d28b4e1e1c3fd088ae7f2cf5953dc2eafd5da6671f107bab137