[INFO] fetching crate toast 0.47.7... [INFO] checking toast-0.47.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate toast 0.47.7 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate toast 0.47.7 [INFO] finished tweaking crates.io crate toast 0.47.7 [INFO] tweaked toml for crates.io crate toast 0.47.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate toast 0.47.7 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 crates.io crate toast 0.47.7 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 880a289e79d3d5cf2acaefb449a5ce986c05f24d335a85dce690947875b890b6 [INFO] running `Command { std: "docker" "start" "-a" "880a289e79d3d5cf2acaefb449a5ce986c05f24d335a85dce690947875b890b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "880a289e79d3d5cf2acaefb449a5ce986c05f24d335a85dce690947875b890b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "880a289e79d3d5cf2acaefb449a5ce986c05f24d335a85dce690947875b890b6", kill_on_drop: false }` [INFO] [stdout] 880a289e79d3d5cf2acaefb449a5ce986c05f24d335a85dce690947875b890b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1dd455338789860d4f52c257d8c1fbad2cfd724705f7e01df4eaff78c0439218 [INFO] running `Command { std: "docker" "start" "-a" "1dd455338789860d4f52c257d8c1fbad2cfd724705f7e01df4eaff78c0439218", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking typed-path v0.3.2 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rustix v0.38.34 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking ctrlc v3.4.4 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking tar v0.4.41 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking serde v1.0.204 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking toast v0.47.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/toastfile.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | host_path: host_path [INFO] [stdout] | ____________________________^ [INFO] [stdout] 96 | | .parse() [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, Infallible> [INFO] [stdout] --> src/toastfile.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | container_path: container_path [INFO] [stdout] | _________________________________^ [INFO] [stdout] 99 | | .parse() [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/toastfile.rs:104:28 [INFO] [stdout] | [INFO] [stdout] 104 | host_path: v.parse().map_err(|_| E::custom("Illegal path."))?, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/toastfile.rs:105:33 [INFO] [stdout] | [INFO] [stdout] 105 | container_path: v.parse().map_err(|_| E::custom("Illegal path."))?, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `toast` (bin "toast") due to 4 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 [INFO] [stdout] --> src/toastfile.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | host_path: host_path [INFO] [stdout] | ____________________________^ [INFO] [stdout] 96 | | .parse() [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, Infallible> [INFO] [stdout] --> src/toastfile.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | container_path: container_path [INFO] [stdout] | _________________________________^ [INFO] [stdout] 99 | | .parse() [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/toastfile.rs:104:28 [INFO] [stdout] | [INFO] [stdout] 104 | host_path: v.parse().map_err(|_| E::custom("Illegal path."))?, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/toastfile.rs:105:33 [INFO] [stdout] | [INFO] [stdout] 105 | container_path: v.parse().map_err(|_| E::custom("Illegal path."))?, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `toast` (bin "toast" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "1dd455338789860d4f52c257d8c1fbad2cfd724705f7e01df4eaff78c0439218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dd455338789860d4f52c257d8c1fbad2cfd724705f7e01df4eaff78c0439218", kill_on_drop: false }` [INFO] [stdout] 1dd455338789860d4f52c257d8c1fbad2cfd724705f7e01df4eaff78c0439218