[INFO] fetching crate detexify-c 0.4.0... [INFO] testing detexify-c-0.4.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate detexify-c 0.4.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate detexify-c 0.4.0 [INFO] finished tweaking crates.io crate detexify-c 0.4.0 [INFO] tweaked toml for crates.io crate detexify-c 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate detexify-c 0.4.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 80 packages to latest compatible versions [INFO] [stderr] Adding cbindgen v0.18.0 (available: v0.29.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tuple v0.4.2 [INFO] [stderr] Downloaded cbindgen v0.18.0 [INFO] [stderr] Downloaded detexify v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e471fa9fabd482c7f317bf2f9ce2e852215bf760b01dba120638cf33d48b63cc [INFO] running `Command { std: "docker" "start" "-a" "e471fa9fabd482c7f317bf2f9ce2e852215bf760b01dba120638cf33d48b63cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e471fa9fabd482c7f317bf2f9ce2e852215bf760b01dba120638cf33d48b63cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e471fa9fabd482c7f317bf2f9ce2e852215bf760b01dba120638cf33d48b63cc", kill_on_drop: false }` [INFO] [stdout] e471fa9fabd482c7f317bf2f9ce2e852215bf760b01dba120638cf33d48b63cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbf1cc9e9729bcfc231f1e389cfa418bc6203547ac3a4f0b62228d49f2fabd8e [INFO] running `Command { std: "docker" "start" "-a" "dbf1cc9e9729bcfc231f1e389cfa418bc6203547ac3a4f0b62228d49f2fabd8e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling linked-hash-map v0.5.6 [INFO] [stderr] Compiling base32 v0.4.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling tuple v0.4.2 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling detexify v0.4.0 [INFO] [stderr] Compiling detexify-c v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Box::from_raw(classifier); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = Box::from_raw(classifier); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[Score]` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked` require a reference [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/slice/mod.rs:637:5 [INFO] [stdout] = note: `#[deny(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 100 | (&(*scores).scores).get_unchecked(i).score [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec` [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(&(*scores).scores)[i].id) { [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | Box::from_raw(scores); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = Box::from_raw(scores); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | Box::from_raw(symbol); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 181 | let _ = Box::from_raw(symbol); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `detexify-c` (lib) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dbf1cc9e9729bcfc231f1e389cfa418bc6203547ac3a4f0b62228d49f2fabd8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbf1cc9e9729bcfc231f1e389cfa418bc6203547ac3a4f0b62228d49f2fabd8e", kill_on_drop: false }` [INFO] [stdout] dbf1cc9e9729bcfc231f1e389cfa418bc6203547ac3a4f0b62228d49f2fabd8e