[INFO] fetching crate weblab 0.3.5...
[INFO] checking weblab-0.3.5 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate weblab 0.3.5 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 crates.io crate weblab 0.3.5
[INFO] finished tweaking crates.io crate weblab 0.3.5
[INFO] tweaked toml for crates.io crate weblab 0.3.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded weblab-assignment-structure v0.3.4
[INFO] [stderr]   Downloaded sanitize-filename v0.3.0
[INFO] [stderr]   Downloaded weblab-macros v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 921d3cbd7c26bce6b301c9c56573d06a906e571d8ef1eb2e3818915c2d20fe93
[INFO] running `Command { std: "docker" "start" "-a" "921d3cbd7c26bce6b301c9c56573d06a906e571d8ef1eb2e3818915c2d20fe93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921d3cbd7c26bce6b301c9c56573d06a906e571d8ef1eb2e3818915c2d20fe93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921d3cbd7c26bce6b301c9c56573d06a906e571d8ef1eb2e3818915c2d20fe93", kill_on_drop: false }`
[INFO] [stdout] 921d3cbd7c26bce6b301c9c56573d06a906e571d8ef1eb2e3818915c2d20fe93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6b13fb544a23c0d6ac508412b7eef883c67d218e7ca80de02bb70a8d2c923b59
[INFO] running `Command { std: "docker" "start" "-a" "6b13fb544a23c0d6ac508412b7eef883c67d218e7ca80de02bb70a8d2c923b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking weblab-assignment-structure v0.3.4
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling weblab-macros v0.3.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking weblab v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "6b13fb544a23c0d6ac508412b7eef883c67d218e7ca80de02bb70a8d2c923b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b13fb544a23c0d6ac508412b7eef883c67d218e7ca80de02bb70a8d2c923b59", kill_on_drop: false }`
[INFO] [stdout] 6b13fb544a23c0d6ac508412b7eef883c67d218e7ca80de02bb70a8d2c923b59
[INFO] checking weblab-0.3.5 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate weblab 0.3.5 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 crates.io crate weblab 0.3.5
[INFO] finished tweaking crates.io crate weblab 0.3.5
[INFO] tweaked toml for crates.io crate weblab 0.3.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bd79c655bf420603bdb01812a97681782df45a7883f6f2dacdf64dc60afa43ab
[INFO] running `Command { std: "docker" "start" "-a" "bd79c655bf420603bdb01812a97681782df45a7883f6f2dacdf64dc60afa43ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd79c655bf420603bdb01812a97681782df45a7883f6f2dacdf64dc60afa43ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd79c655bf420603bdb01812a97681782df45a7883f6f2dacdf64dc60afa43ab", kill_on_drop: false }`
[INFO] [stdout] bd79c655bf420603bdb01812a97681782df45a7883f6f2dacdf64dc60afa43ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 377fb70ac6147c25737835ecf2d250d444e86966cd0640a6764b39434f9b25bb
[INFO] running `Command { std: "docker" "start" "-a" "377fb70ac6147c25737835ecf2d250d444e86966cd0640a6764b39434f9b25bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking weblab-assignment-structure v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling weblab-macros v0.3.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking weblab v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]    --> src/cli.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             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]    --> src/cli.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             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]    --> src/cli.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             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]    --> src/cli.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             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 test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `weblab` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "377fb70ac6147c25737835ecf2d250d444e86966cd0640a6764b39434f9b25bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377fb70ac6147c25737835ecf2d250d444e86966cd0640a6764b39434f9b25bb", kill_on_drop: false }`
[INFO] [stdout] 377fb70ac6147c25737835ecf2d250d444e86966cd0640a6764b39434f9b25bb