[INFO] cloning repository https://github.com/radix/safelisprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radix/safelisprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fsafelisprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fsafelisprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6847e568798fef26cc1a7bc09e92cc5c0f185679
[INFO] checking radix/safelisprs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fsafelisprs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/radix/safelisprs
[INFO] finished tweaking git repo https://github.com/radix/safelisprs
[INFO] tweaked toml for git repo https://github.com/radix/safelisprs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/radix/safelisprs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/radix/safelisprs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6aae8f62adfbe987574ad1a2596284c9459bc3b473d62dd9922f7b46317e60
[INFO] running `Command { std: "docker" "start" "-a" "bd6aae8f62adfbe987574ad1a2596284c9459bc3b473d62dd9922f7b46317e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6aae8f62adfbe987574ad1a2596284c9459bc3b473d62dd9922f7b46317e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6aae8f62adfbe987574ad1a2596284c9459bc3b473d62dd9922f7b46317e60", kill_on_drop: false }`
[INFO] [stdout] bd6aae8f62adfbe987574ad1a2596284c9459bc3b473d62dd9922f7b46317e60
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ecc0e7513fddbc3969c81f4c380967c23ffa7c3774b35f1d1bbb5c1b122efc3
[INFO] running `Command { std: "docker" "start" "-a" "8ecc0e7513fddbc3969c81f4c380967c23ffa7c3774b35f1d1bbb5c1b122efc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking atoms v2.2.3
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.15
[INFO] [stderr]     Checking safelisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/sli.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | /   #[clap(long, default_value = "bincode", help = "either yaml or bincode")]
[INFO] [stdout] 19 | |   format: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/sli.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | /   #[clap(help = "A .slc file to interpret")]
[INFO] [stdout] 22 | |   input_file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | /   #[clap(long)]
[INFO] [stdout] 19 | |   output: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | /   #[clap(long, default_value = "bincode", help = "either yaml or bincode")]
[INFO] [stdout] 22 | |   format: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | /   #[clap(long, default_value = "main", help = "name of the main function")]
[INFO] [stdout] 25 | |   main_function: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   #[clap(help = "Main .sl file")]
[INFO] [stdout] 31 | |   input_file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safelisp` (bin "sli" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `safelisp` (bin "slc" test) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/sli.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | /   #[clap(long, default_value = "bincode", help = "either yaml or bincode")]
[INFO] [stdout] 19 | |   format: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/sli.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | /   #[clap(help = "A .slc file to interpret")]
[INFO] [stdout] 22 | |   input_file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safelisp` (bin "sli") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | /   #[clap(long)]
[INFO] [stdout] 19 | |   output: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | /   #[clap(long, default_value = "bincode", help = "either yaml or bincode")]
[INFO] [stdout] 22 | |   format: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | /   #[clap(long, default_value = "main", help = "name of the main function")]
[INFO] [stdout] 25 | |   main_function: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/slc.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   #[clap(help = "Main .sl file")]
[INFO] [stdout] 31 | |   input_file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safelisp` (bin "slc") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8ecc0e7513fddbc3969c81f4c380967c23ffa7c3774b35f1d1bbb5c1b122efc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecc0e7513fddbc3969c81f4c380967c23ffa7c3774b35f1d1bbb5c1b122efc3", kill_on_drop: false }`
[INFO] [stdout] 8ecc0e7513fddbc3969c81f4c380967c23ffa7c3774b35f1d1bbb5c1b122efc3