[INFO] fetching crate scanmut 0.2.0... [INFO] testing scanmut-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate scanmut 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate scanmut 0.2.0 [INFO] finished tweaking crates.io crate scanmut 0.2.0 [INFO] tweaked toml for crates.io crate scanmut 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scanmut 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 102 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding proptest v0.10.1 (available: v1.7.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (available: v0.9.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6451a03196b2dfbd7170ace104fbc72787bbff1870a3dd965442fdb9c5115a4f [INFO] running `Command { std: "docker" "start" "-a" "6451a03196b2dfbd7170ace104fbc72787bbff1870a3dd965442fdb9c5115a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6451a03196b2dfbd7170ace104fbc72787bbff1870a3dd965442fdb9c5115a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6451a03196b2dfbd7170ace104fbc72787bbff1870a3dd965442fdb9c5115a4f", kill_on_drop: false }` [INFO] [stdout] 6451a03196b2dfbd7170ace104fbc72787bbff1870a3dd965442fdb9c5115a4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96d477b6c76b9e55dfccc524cf948d42c3d1665978d9754674e1970def9c6399 [INFO] running `Command { std: "docker" "start" "-a" "96d477b6c76b9e55dfccc524cf948d42c3d1665978d9754674e1970def9c6399", kill_on_drop: false }` [INFO] [stderr] Compiling scanmut v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "96d477b6c76b9e55dfccc524cf948d42c3d1665978d9754674e1970def9c6399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d477b6c76b9e55dfccc524cf948d42c3d1665978d9754674e1970def9c6399", kill_on_drop: false }` [INFO] [stdout] 96d477b6c76b9e55dfccc524cf948d42c3d1665978d9754674e1970def9c6399 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4116445159b4884732476d0e5e0bf88754372cba9b7164d40d4e87b1777efa0e [INFO] running `Command { std: "docker" "start" "-a" "4116445159b4884732476d0e5e0bf88754372cba9b7164d40d4e87b1777efa0e", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling tempfile v3.21.0 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_xorshift v0.2.0 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling proptest v0.10.1 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling scanmut v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: missing documentation for a module [INFO] [stdout] --> src/lib.rs:47:1 [INFO] [stdout] | [INFO] [stdout] 47 | pub mod proputils; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:36:40 [INFO] [stdout] | [INFO] [stdout] 36 | #![deny(missing_debug_implementations, missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/inserter.rs:356:21 [INFO] [stdout] | [INFO] [stdout] 356 | fn new(vec: &mut Vec, additional: usize) -> NaiveInserter { [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 356 | fn new(vec: &mut Vec, additional: usize) -> NaiveInserter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/remover.rs:283:9 [INFO] [stdout] | [INFO] [stdout] 283 | drop(Remover::new(&mut vec![1, 2]).move_to(3)); [INFO] [stdout] | ^^^^^----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 283 - drop(Remover::new(&mut vec![1, 2]).move_to(3)); [INFO] [stdout] 283 + let _ = Remover::new(&mut vec![1, 2]).move_to(3); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/remover.rs:329:21 [INFO] [stdout] | [INFO] [stdout] 329 | fn new(vec: &mut Vec) -> NaiveRemover { [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 329 | fn new(vec: &mut Vec) -> NaiveRemover<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scanmut` (lib test) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4116445159b4884732476d0e5e0bf88754372cba9b7164d40d4e87b1777efa0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4116445159b4884732476d0e5e0bf88754372cba9b7164d40d4e87b1777efa0e", kill_on_drop: false }` [INFO] [stdout] 4116445159b4884732476d0e5e0bf88754372cba9b7164d40d4e87b1777efa0e