[INFO] fetching crate ve 0.0.3...
[INFO] testing ve-0.0.3 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate ve 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ve 0.0.3 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ve 0.0.3
[INFO] finished tweaking crates.io crate ve 0.0.3
[INFO] tweaked toml for crates.io crate ve 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb5692591d147433b0d6f220296c01b2272dc2025458ddf7490afa3daf13966d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb5692591d147433b0d6f220296c01b2272dc2025458ddf7490afa3daf13966d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb5692591d147433b0d6f220296c01b2272dc2025458ddf7490afa3daf13966d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5692591d147433b0d6f220296c01b2272dc2025458ddf7490afa3daf13966d", kill_on_drop: false }`
[INFO] [stdout] eb5692591d147433b0d6f220296c01b2272dc2025458ddf7490afa3daf13966d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4c103eb6eb7bc5fa2f6a47071a362bd19a3fd8a93c94e3f14035b8501d9c513
[INFO] running `Command { std: "docker" "start" "-a" "e4c103eb6eb7bc5fa2f6a47071a362bd19a3fd8a93c94e3f14035b8501d9c513", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ve v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw_vec.rs:157:66
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn allocate_in(capacity: usize, len: usize, init: AllocInit, mut alloc: A) -> Self {
[INFO] [stdout]     |                                                                  ----^^^^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e4c103eb6eb7bc5fa2f6a47071a362bd19a3fd8a93c94e3f14035b8501d9c513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c103eb6eb7bc5fa2f6a47071a362bd19a3fd8a93c94e3f14035b8501d9c513", kill_on_drop: false }`
[INFO] [stdout] e4c103eb6eb7bc5fa2f6a47071a362bd19a3fd8a93c94e3f14035b8501d9c513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817e8c4817784f158d5fda758da551462fb987fc990bb34c40bc381b7575cb89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "817e8c4817784f158d5fda758da551462fb987fc990bb34c40bc381b7575cb89", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw_vec.rs:157:66
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn allocate_in(capacity: usize, len: usize, init: AllocInit, mut alloc: A) -> Self {
[INFO] [stdout]     |                                                                  ----^^^^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ve v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw_vec.rs:157:66
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn allocate_in(capacity: usize, len: usize, init: AllocInit, mut alloc: A) -> Self {
[INFO] [stdout]     |                                                                  ----^^^^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "817e8c4817784f158d5fda758da551462fb987fc990bb34c40bc381b7575cb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817e8c4817784f158d5fda758da551462fb987fc990bb34c40bc381b7575cb89", kill_on_drop: false }`
[INFO] [stdout] 817e8c4817784f158d5fda758da551462fb987fc990bb34c40bc381b7575cb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dafc257a77d7ff5317bd0a7e2b5e027761a3a872027d035e730bd0bc030967f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dafc257a77d7ff5317bd0a7e2b5e027761a3a872027d035e730bd0bc030967f2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/raw_vec.rs:157:66
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 157 |     fn allocate_in(capacity: usize, len: usize, init: AllocInit, mut alloc: A) -> Self {
[INFO] [stdout] 
[INFO] [stderr]     |                                                                  ----^^^^^
[INFO] [stderr]     |                                                                  |
[INFO] [stderr]     |                                                                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/raw_vec.rs:157:66
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn allocate_in(capacity: usize, len: usize, init: AllocInit, mut alloc: A) -> Self {
[INFO] [stderr]     |                                                                  ----^^^^^
[INFO] [stderr]     |                                                                  |
[INFO] [stderr]     |                                                                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ve-ecd22a562ab8ee3f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-f604144e2cc109e3
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vec-be92974e33486e7b
[INFO] [stdout] running 1 test
[INFO] [stdout] test vec::test_small_vec_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ve
[INFO] [stdout] test test_small_vec_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test src/macros.rs - vec (line 8) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 129) ... ok
[INFO] [stdout] test src/vec.rs - vec (line 31) ... ok
[INFO] [stdout] test src/vec.rs - vec::IntoIter<T>::as_slice (line 1876) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/vec.rs - vec (line 40) ... ok
[INFO] [stdout] test src/vec.rs - vec (line 49) ... ok
[INFO] [stdout] test src/vec.rs - vec (line 11) ... ok
[INFO] [stdout] test src/vec.rs - vec::IntoIter<T>::as_mut_slice (line 1892) ... ok
[INFO] [stdout] test src/macros.rs - vec (line 17) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 106) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 117) ... ok
[INFO] [stdout] test src/vec.rs - vec::Drain::as_slice (line 2037) ... ok
[INFO] [stdout] test src/vec.rs - vec (line 19) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 170) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::as_mut_ptr (line 590) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::as_ptr (line 558) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 148) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 157) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::dedup (line 1257) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::append (line 891) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::clear (line 1009) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::drain (line 931) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::as_mut_slice (line 535) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::as_slice (line 518) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec (line 81) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::capacity (line 338) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::dedup_by (line 812) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::from_raw_parts (line 300) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::into_boxed_slice (line 425) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::len (line 1026) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::new (line 220) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::extend_from_slice (line 1138) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::insert (line 758) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::into_iter (line 1480) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::set_len (line 640) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::is_empty (line 1039) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::pop (line 865) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::reserve (line 359) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::reserve_exact (line 383) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::into_boxed_slice (line 434) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::push (line 841) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::truncate (line 466) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::set_len (line 680) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::resize_with (line 1067) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::resize (line 1105) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::shrink_to_fit (line 400) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::splice (line 1687) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::swap_remove (line 714) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::truncate (line 484) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::with_capacity (line 242) ... ok
[INFO] [stdout] test src/vec.rs - vec::Vec<T>::truncate (line 475) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dafc257a77d7ff5317bd0a7e2b5e027761a3a872027d035e730bd0bc030967f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafc257a77d7ff5317bd0a7e2b5e027761a3a872027d035e730bd0bc030967f2", kill_on_drop: false }`
[INFO] [stdout] dafc257a77d7ff5317bd0a7e2b5e027761a3a872027d035e730bd0bc030967f2