[INFO] cloning repository https://github.com/MeliaLiu/Rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MeliaLiu/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeliaLiu%2FRustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeliaLiu%2FRustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3769f3e09058046917c56adc17b6f3f4a8451404 [INFO] checking MeliaLiu/Rustlings against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeliaLiu%2FRustlings" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 94% (526/556) Updating files: 95% (529/556) Updating files: 96% (534/556) Updating files: 97% (540/556) Updating files: 98% (545/556) Updating files: 99% (551/556) Updating files: 100% (556/556) Updating files: 100% (556/556), done. [INFO] validating manifest of git repo https://github.com/MeliaLiu/Rustlings on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MeliaLiu/Rustlings [INFO] finished tweaking git repo https://github.com/MeliaLiu/Rustlings [INFO] tweaked toml for git repo https://github.com/MeliaLiu/Rustlings written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/MeliaLiu/Rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] d82a85fceb5aef582bd4398e13dcd9fb2a7500c406b4aa59401c610ac6019a17 [INFO] running `Command { std: "docker" "start" "-a" "d82a85fceb5aef582bd4398e13dcd9fb2a7500c406b4aa59401c610ac6019a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d82a85fceb5aef582bd4398e13dcd9fb2a7500c406b4aa59401c610ac6019a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d82a85fceb5aef582bd4398e13dcd9fb2a7500c406b4aa59401c610ac6019a17", kill_on_drop: false }` [INFO] [stdout] d82a85fceb5aef582bd4398e13dcd9fb2a7500c406b4aa59401c610ac6019a17 [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 430b8db21bed35af1da67b1f2e3fcc0427eb489f76622fb9e38bf74750054cd2 [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" "430b8db21bed35af1da67b1f2e3fcc0427eb489f76622fb9e38bf74750054cd2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking parking_lot_core v0.5.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking parking_lot v0.8.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking regex v1.1.6 [INFO] [stderr] Checking console v0.8.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking indicatif v0.10.3 [INFO] [stderr] Checking serde v1.0.92 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rustlings v3.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.99s [INFO] running `Command { std: "docker" "inspect" "430b8db21bed35af1da67b1f2e3fcc0427eb489f76622fb9e38bf74750054cd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "430b8db21bed35af1da67b1f2e3fcc0427eb489f76622fb9e38bf74750054cd2", kill_on_drop: false }` [INFO] [stdout] 430b8db21bed35af1da67b1f2e3fcc0427eb489f76622fb9e38bf74750054cd2