[INFO] cloning repository https://github.com/Markus-Studio/Markus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Markus-Studio/Markus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkus-Studio%2FMarkus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkus-Studio%2FMarkus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c6b5440dfa45d55fd8be7b5f6aede7485aeacd9
[INFO] checking Markus-Studio/Markus against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkus-Studio%2FMarkus" "/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/Markus-Studio/Markus 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/Markus-Studio/Markus
[INFO] finished tweaking git repo https://github.com/Markus-Studio/Markus
[INFO] tweaked toml for git repo https://github.com/Markus-Studio/Markus written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Markus-Studio/Markus 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] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] 4ea803af2fa62acf137ca62e589e2361634e1d10cbcc57a5bbdf5c55a85d3eec
[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" "4ea803af2fa62acf137ca62e589e2361634e1d10cbcc57a5bbdf5c55a85d3eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea803af2fa62acf137ca62e589e2361634e1d10cbcc57a5bbdf5c55a85d3eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea803af2fa62acf137ca62e589e2361634e1d10cbcc57a5bbdf5c55a85d3eec", kill_on_drop: false }`
[INFO] [stdout] 4ea803af2fa62acf137ca62e589e2361634e1d10cbcc57a5bbdf5c55a85d3eec
[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" "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] 7d5e3e674450dd86ff5fe54ce110180138e1b14fe5b92d7e13f4bd8266eaea3a
[INFO] running `Command { std: "docker" "start" "-a" "7d5e3e674450dd86ff5fe54ce110180138e1b14fe5b92d7e13f4bd8266eaea3a", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tree-sitter v0.16.1
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr] warning: In file included from tree-sitter-markus/src/parser.c:1:
[INFO] [stderr] warning: tree-sitter-markus/src/parser.c: In function 'ts_lex_keywords':
[INFO] [stderr] warning: tree-sitter-markus/src/tree_sitter/parser.h:131:8: warning: variable 'eof' set but not used [-Wunused-but-set-variable]
[INFO] [stderr] warning:   131 |   bool eof = false;             \
[INFO] [stderr] warning:       |        ^~~
[INFO] [stderr] warning: tree-sitter-markus/src/parser.c:1282:3: note: in expansion of macro 'START_LEXER'
[INFO] [stderr] warning:  1282 |   START_LEXER();
[INFO] [stderr] warning:       |   ^~~~~~~~~~~
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking daggy v0.7.0
[INFO] [stderr]     Checking ir v0.1.0 (/opt/rustwide/workdir/ir)
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking markus-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.31s
[INFO] running `Command { std: "docker" "inspect" "7d5e3e674450dd86ff5fe54ce110180138e1b14fe5b92d7e13f4bd8266eaea3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5e3e674450dd86ff5fe54ce110180138e1b14fe5b92d7e13f4bd8266eaea3a", kill_on_drop: false }`
[INFO] [stdout] 7d5e3e674450dd86ff5fe54ce110180138e1b14fe5b92d7e13f4bd8266eaea3a