[INFO] cloning repository https://github.com/decadezzz/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/decadezzz/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecadezzz%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecadezzz%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 401ed11c0e09f3e220c5327097baef00c95ea920
[INFO] building decadezzz/rustlings against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecadezzz%2Frustlings" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/decadezzz/rustlings on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/decadezzz/rustlings
[INFO] finished tweaking git repo https://github.com/decadezzz/rustlings
[INFO] tweaked toml for git repo https://github.com/decadezzz/rustlings written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/decadezzz/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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b295c4a4d8c52e1ac3bd832fc40db97def6205e06ec82c250b1cc2476536f50
[INFO] running `Command { std: "docker" "start" "-a" "0b295c4a4d8c52e1ac3bd832fc40db97def6205e06ec82c250b1cc2476536f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b295c4a4d8c52e1ac3bd832fc40db97def6205e06ec82c250b1cc2476536f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b295c4a4d8c52e1ac3bd832fc40db97def6205e06ec82c250b1cc2476536f50", kill_on_drop: false }`
[INFO] [stdout] 0b295c4a4d8c52e1ac3bd832fc40db97def6205e06ec82c250b1cc2476536f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f1ef45c514ab40953b91a78ebc89fb8e6f8f5edeb289a5ea250751f5b77763
[INFO] running `Command { std: "docker" "start" "-a" "e7f1ef45c514ab40953b91a78ebc89fb8e6f8f5edeb289a5ea250751f5b77763", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling argh v0.1.10
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.03s
[INFO] running `Command { std: "docker" "inspect" "e7f1ef45c514ab40953b91a78ebc89fb8e6f8f5edeb289a5ea250751f5b77763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f1ef45c514ab40953b91a78ebc89fb8e6f8f5edeb289a5ea250751f5b77763", kill_on_drop: false }`
[INFO] [stdout] e7f1ef45c514ab40953b91a78ebc89fb8e6f8f5edeb289a5ea250751f5b77763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0d3ab494a2b4c8426f1187e2fa8737ac077970d8160971b165bb56ada7425c
[INFO] running `Command { std: "docker" "start" "-a" "ac0d3ab494a2b4c8426f1187e2fa8737ac077970d8160971b165bb56ada7425c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "ac0d3ab494a2b4c8426f1187e2fa8737ac077970d8160971b165bb56ada7425c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0d3ab494a2b4c8426f1187e2fa8737ac077970d8160971b165bb56ada7425c", kill_on_drop: false }`
[INFO] [stdout] ac0d3ab494a2b4c8426f1187e2fa8737ac077970d8160971b165bb56ada7425c
