[INFO] cloning repository https://github.com/FA555/rustlings-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FA555/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFA555%2Frustlings-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFA555%2Frustlings-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7a5388f7737a03541100c243f17d3f88be8dac5
[INFO] checking FA555/rustlings-solutions against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFA555%2Frustlings-solutions" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FA555/rustlings-solutions
[INFO] finished tweaking git repo https://github.com/FA555/rustlings-solutions
[INFO] tweaked toml for git repo https://github.com/FA555/rustlings-solutions written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FA555/rustlings-solutions on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FA555/rustlings-solutions 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rustlings`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded indexmap v2.0.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.3
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded bitflags v2.4.0
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded serde v1.0.183
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded toml_edit v0.19.14
[INFO] [stderr]   Downloaded winnow v0.5.10
[INFO] [stderr]   Downloaded toml v0.7.6
[INFO] [stderr]   Downloaded serde_json v1.0.104
[INFO] [stderr]   Downloaded aho-corasick v1.0.3
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] [stderr]   Downloaded regex v1.9.3
[INFO] [stderr]   Downloaded regex-automata v0.3.6
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30c3969e5dd525c8dd76448c08ca6f0a68c68320e45d4b92075ef5a4b84f90f
[INFO] running `Command { std: "docker" "start" "-a" "c30c3969e5dd525c8dd76448c08ca6f0a68c68320e45d4b92075ef5a4b84f90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30c3969e5dd525c8dd76448c08ca6f0a68c68320e45d4b92075ef5a4b84f90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30c3969e5dd525c8dd76448c08ca6f0a68c68320e45d4b92075ef5a4b84f90f", kill_on_drop: false }`
[INFO] [stdout] c30c3969e5dd525c8dd76448c08ca6f0a68c68320e45d4b92075ef5a4b84f90f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc356c1202bdfe482b41a5365c754de2ef78fad2d247c534e6e1d26563d6489
[INFO] running `Command { std: "docker" "start" "-a" "1dc356c1202bdfe482b41a5365c754de2ef78fad2d247c534e6e1d26563d6489", kill_on_drop: false }`
[INFO] [stderr] warning: rustlings-solutions v1.0.0 (/opt/rustwide/workdir) ignoring invalid dependency `rustlings` which is missing a lib target
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking winnow v0.5.10
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking rustlings-solutions v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "1dc356c1202bdfe482b41a5365c754de2ef78fad2d247c534e6e1d26563d6489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc356c1202bdfe482b41a5365c754de2ef78fad2d247c534e6e1d26563d6489", kill_on_drop: false }`
[INFO] [stdout] 1dc356c1202bdfe482b41a5365c754de2ef78fad2d247c534e6e1d26563d6489