[INFO] cloning repository https://github.com/cumbreras/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cumbreras/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcumbreras%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcumbreras%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3342e4546e555ec749df83684e19e4edfa2c65ba [INFO] checking cumbreras/rustlings against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcumbreras%2Frustlings" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cumbreras/rustlings on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cumbreras/rustlings [INFO] finished tweaking git repo https://github.com/cumbreras/rustlings [INFO] tweaked toml for git repo https://github.com/cumbreras/rustlings written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cumbreras/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded console v0.7.5 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded console v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71261f92b07fed9df9b5af2a078a65d0566a3a39797441dca837129eb650943f [INFO] running `Command { std: "docker" "start" "-a" "71261f92b07fed9df9b5af2a078a65d0566a3a39797441dca837129eb650943f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71261f92b07fed9df9b5af2a078a65d0566a3a39797441dca837129eb650943f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71261f92b07fed9df9b5af2a078a65d0566a3a39797441dca837129eb650943f", kill_on_drop: false }` [INFO] [stdout] 71261f92b07fed9df9b5af2a078a65d0566a3a39797441dca837129eb650943f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b90c313270fe9df5349e9802b46355eb996f39c3c6376c0d90776366a5cc9f8 [INFO] running `Command { std: "docker" "start" "-a" "6b90c313270fe9df5349e9802b46355eb996f39c3c6376c0d90776366a5cc9f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking slab v0.4.2 [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 num-traits v0.2.8 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking notify v4.0.12 [INFO] [stderr] Checking console v0.7.5 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rustlings v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.38s [INFO] running `Command { std: "docker" "inspect" "6b90c313270fe9df5349e9802b46355eb996f39c3c6376c0d90776366a5cc9f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b90c313270fe9df5349e9802b46355eb996f39c3c6376c0d90776366a5cc9f8", kill_on_drop: false }` [INFO] [stdout] 6b90c313270fe9df5349e9802b46355eb996f39c3c6376c0d90776366a5cc9f8 [INFO] checking cumbreras/rustlings against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcumbreras%2Frustlings" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cumbreras/rustlings on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cumbreras/rustlings [INFO] finished tweaking git repo https://github.com/cumbreras/rustlings [INFO] tweaked toml for git repo https://github.com/cumbreras/rustlings written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cumbreras/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8393866eafa5a5e0c3d9949c43d98cffee32e79ea5a9f451e43b97c1c6ebf8f9 [INFO] running `Command { std: "docker" "start" "-a" "8393866eafa5a5e0c3d9949c43d98cffee32e79ea5a9f451e43b97c1c6ebf8f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8393866eafa5a5e0c3d9949c43d98cffee32e79ea5a9f451e43b97c1c6ebf8f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8393866eafa5a5e0c3d9949c43d98cffee32e79ea5a9f451e43b97c1c6ebf8f9", kill_on_drop: false }` [INFO] [stdout] 8393866eafa5a5e0c3d9949c43d98cffee32e79ea5a9f451e43b97c1c6ebf8f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f843e30d87ad9c31d4608d81737159470f535a01b6bf22bb19ae0ab58225b89 [INFO] running `Command { std: "docker" "start" "-a" "0f843e30d87ad9c31d4608d81737159470f535a01b6bf22bb19ae0ab58225b89", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking same-file v1.0.4 [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 num-traits v0.2.8 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking notify v4.0.12 [INFO] [stderr] Checking console v0.7.5 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rustlings v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s [INFO] running `Command { std: "docker" "inspect" "0f843e30d87ad9c31d4608d81737159470f535a01b6bf22bb19ae0ab58225b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f843e30d87ad9c31d4608d81737159470f535a01b6bf22bb19ae0ab58225b89", kill_on_drop: false }` [INFO] [stdout] 0f843e30d87ad9c31d4608d81737159470f535a01b6bf22bb19ae0ab58225b89