[INFO] cloning repository https://github.com/MoritzKn/mol-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoritzKn/mol-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4780927c0570832b5acaa94681c1dddacfb7ec60
[INFO] checking MoritzKn/mol-lang against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoritzKn/mol-lang 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/MoritzKn/mol-lang
[INFO] finished tweaking git repo https://github.com/MoritzKn/mol-lang
[INFO] tweaked toml for git repo https://github.com/MoritzKn/mol-lang written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/MoritzKn/mol-lang 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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded rustyline v5.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c66197888fb1d993b8dd7fc1118627c6bb18e35bc5008b57c423bb8665f2da35
[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" "c66197888fb1d993b8dd7fc1118627c6bb18e35bc5008b57c423bb8665f2da35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66197888fb1d993b8dd7fc1118627c6bb18e35bc5008b57c423bb8665f2da35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66197888fb1d993b8dd7fc1118627c6bb18e35bc5008b57c423bb8665f2da35", kill_on_drop: false }`
[INFO] [stdout] c66197888fb1d993b8dd7fc1118627c6bb18e35bc5008b57c423bb8665f2da35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 91a4967e2ccfcc24629d5900e54e844ec7facd5208b79782e9ea29a574b03195
[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" "91a4967e2ccfcc24629d5900e54e844ec7facd5208b79782e9ea29a574b03195", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling mol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.84s
[INFO] running `Command { std: "docker" "inspect" "91a4967e2ccfcc24629d5900e54e844ec7facd5208b79782e9ea29a574b03195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a4967e2ccfcc24629d5900e54e844ec7facd5208b79782e9ea29a574b03195", kill_on_drop: false }`
[INFO] [stdout] 91a4967e2ccfcc24629d5900e54e844ec7facd5208b79782e9ea29a574b03195