[INFO] cloning repository https://github.com/jonay2000/weblab-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonay2000/weblab-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Fweblab-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Fweblab-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1005657d469298e07e5918cd3ea289738bb531af [INFO] checking jonay2000/weblab-rs against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Fweblab-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonay2000/weblab-rs on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonay2000/weblab-rs [INFO] finished tweaking git repo https://github.com/jonay2000/weblab-rs [INFO] tweaked toml for git repo https://github.com/jonay2000/weblab-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jonay2000/weblab-rs 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded path-slash v0.1.4 [INFO] [stderr] Downloaded simple_xml_serialize v0.3.0 [INFO] [stderr] Downloaded simple_xml_serialize_macro v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b2b2511b341cef55bfa5c3f548317432015993d71ce605e3364b52a34850c7c [INFO] running `Command { std: "docker" "start" "-a" "5b2b2511b341cef55bfa5c3f548317432015993d71ce605e3364b52a34850c7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b2b2511b341cef55bfa5c3f548317432015993d71ce605e3364b52a34850c7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b2b2511b341cef55bfa5c3f548317432015993d71ce605e3364b52a34850c7c", kill_on_drop: false }` [INFO] [stdout] 5b2b2511b341cef55bfa5c3f548317432015993d71ce605e3364b52a34850c7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42ebaa198f5c97348ccb8b7fb9892c9ff0774e18b61721ecd533a63b162b882f [INFO] running `Command { std: "docker" "start" "-a" "42ebaa198f5c97348ccb8b7fb9892c9ff0774e18b61721ecd533a63b162b882f", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking path-slash v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking weblab-assignment-structure v0.2.22 (/opt/rustwide/workdir/weblab-assignment-structure) [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking simple_xml_serialize v0.3.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking mio v0.8.1 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking sanitize-filename v0.3.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Compiling simple_xml_serialize_macro v0.3.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-util v0.3.21 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking weblab-docker-runner v0.1.0 (/opt/rustwide/workdir/weblab-docker/user_code) [INFO] [stderr] Checking cargo-weblabtest v0.2.11 (/opt/rustwide/workdir/cargo-weblabtest) [INFO] [stderr] Checking weblab-macros v0.2.22 (/opt/rustwide/workdir/weblab-macros) [INFO] [stderr] Checking weblab v0.2.23 (/opt/rustwide/workdir/weblab) [INFO] [stderr] Checking tests v0.1.0 (/opt/rustwide/workdir/tests) [INFO] [stderr] Checking example-project v0.1.0 (/opt/rustwide/workdir/example-project) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.84s [INFO] running `Command { std: "docker" "inspect" "42ebaa198f5c97348ccb8b7fb9892c9ff0774e18b61721ecd533a63b162b882f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42ebaa198f5c97348ccb8b7fb9892c9ff0774e18b61721ecd533a63b162b882f", kill_on_drop: false }` [INFO] [stdout] 42ebaa198f5c97348ccb8b7fb9892c9ff0774e18b61721ecd533a63b162b882f [INFO] checking jonay2000/weblab-rs against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonay2000%2Fweblab-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonay2000/weblab-rs on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonay2000/weblab-rs [INFO] finished tweaking git repo https://github.com/jonay2000/weblab-rs [INFO] tweaked toml for git repo https://github.com/jonay2000/weblab-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jonay2000/weblab-rs 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f53514549911219e13b790c5bbfb25177b2ab0798132964403359c285a1fb8c0 [INFO] running `Command { std: "docker" "start" "-a" "f53514549911219e13b790c5bbfb25177b2ab0798132964403359c285a1fb8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f53514549911219e13b790c5bbfb25177b2ab0798132964403359c285a1fb8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f53514549911219e13b790c5bbfb25177b2ab0798132964403359c285a1fb8c0", kill_on_drop: false }` [INFO] [stdout] f53514549911219e13b790c5bbfb25177b2ab0798132964403359c285a1fb8c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dca3f4fa07c179d124b1509b6daca060f6e092a4aa6b6ddea7e5ea95067ea64 [INFO] running `Command { std: "docker" "start" "-a" "4dca3f4fa07c179d124b1509b6daca060f6e092a4aa6b6ddea7e5ea95067ea64", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking path-slash v0.1.4 [INFO] [stderr] Checking weblab-assignment-structure v0.2.22 (/opt/rustwide/workdir/weblab-assignment-structure) [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking simple_xml_serialize v0.3.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking mio v0.8.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking sanitize-filename v0.3.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling simple_xml_serialize_macro v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-util v0.3.21 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking weblab-macros v0.2.22 (/opt/rustwide/workdir/weblab-macros) [INFO] [stderr] Checking weblab-docker-runner v0.1.0 (/opt/rustwide/workdir/weblab-docker/user_code) [INFO] [stderr] Checking cargo-weblabtest v0.2.11 (/opt/rustwide/workdir/cargo-weblabtest) [INFO] [stderr] Checking weblab v0.2.23 (/opt/rustwide/workdir/weblab) [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> weblab/src/cli.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | mut library_visible, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> weblab/src/cli.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | mut library_visible, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: requested on the command line with `-D dereferencing-mut-binding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> weblab/src/cli.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | mut library_visible, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> weblab/src/cli.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | mut library_visible, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: requested on the command line with `-D dereferencing-mut-binding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `weblab` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `weblab` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4dca3f4fa07c179d124b1509b6daca060f6e092a4aa6b6ddea7e5ea95067ea64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dca3f4fa07c179d124b1509b6daca060f6e092a4aa6b6ddea7e5ea95067ea64", kill_on_drop: false }` [INFO] [stdout] 4dca3f4fa07c179d124b1509b6daca060f6e092a4aa6b6ddea7e5ea95067ea64