[INFO] cloning repository https://github.com/pansila/fastjump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pansila/fastjump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpansila%2Ffastjump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpansila%2Ffastjump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ab8b62f82fa46b558565de0dc262d4e2f1246db
[INFO] checking pansila/fastjump 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%2Fpansila%2Ffastjump" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pansila/fastjump
[INFO] finished tweaking git repo https://github.com/pansila/fastjump
[INFO] tweaked toml for git repo https://github.com/pansila/fastjump written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pansila/fastjump 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/pansila/fastjump 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 734d6e3a67254fd1a64f540a07e110ae16fb786824d75a302b2edd4ab9bcb888
[INFO] running `Command { std: "docker" "start" "-a" "734d6e3a67254fd1a64f540a07e110ae16fb786824d75a302b2edd4ab9bcb888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734d6e3a67254fd1a64f540a07e110ae16fb786824d75a302b2edd4ab9bcb888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734d6e3a67254fd1a64f540a07e110ae16fb786824d75a302b2edd4ab9bcb888", kill_on_drop: false }`
[INFO] [stdout] 734d6e3a67254fd1a64f540a07e110ae16fb786824d75a302b2edd4ab9bcb888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8f2905a4138d9da87560ec31d0657073415e178a4f530c71f655423795a33d7a
[INFO] running `Command { std: "docker" "start" "-a" "8f2905a4138d9da87560ec31d0657073415e178a4f530c71f655423795a33d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling fastjump v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.14
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking const_format v0.2.14
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/common/opts.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Install all necessary files to the user directory
[INFO] [stdout] 55 | |     // TODO: give up for Option<Option<PathBuf>>, not working
[INFO] [stdout] 56 | |     #[structopt(short, long, value_name = "directory")]
[INFO] [stdout] 57 | |     pub install: Option<Option<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<String, Infallible>
[INFO] [stdout]   --> src/common/opts.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// The prefix of the directory to install
[INFO] [stdout] 65 | |     // TODO: String -> PathBuf
[INFO] [stdout] 66 | |     #[structopt(long, value_name = "directory")]
[INFO] [stdout] 67 | |     pub prefix: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastjump` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/common/opts.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Install all necessary files to the user directory
[INFO] [stdout] 55 | |     // TODO: give up for Option<Option<PathBuf>>, not working
[INFO] [stdout] 56 | |     #[structopt(short, long, value_name = "directory")]
[INFO] [stdout] 57 | |     pub install: Option<Option<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<String, Infallible>
[INFO] [stdout]   --> src/common/opts.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// The prefix of the directory to install
[INFO] [stdout] 65 | |     // TODO: String -> PathBuf
[INFO] [stdout] 66 | |     #[structopt(long, value_name = "directory")]
[INFO] [stdout] 67 | |     pub prefix: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastjump` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f2905a4138d9da87560ec31d0657073415e178a4f530c71f655423795a33d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2905a4138d9da87560ec31d0657073415e178a4f530c71f655423795a33d7a", kill_on_drop: false }`
[INFO] [stdout] 8f2905a4138d9da87560ec31d0657073415e178a4f530c71f655423795a33d7a
