[INFO] crate insert_multiple 0.2.0 is already in cache
[INFO] testing insert_multiple-0.2.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate insert_multiple 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate insert_multiple 0.2.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate insert_multiple 0.2.0
[INFO] finished tweaking crates.io crate insert_multiple 0.2.0
[INFO] tweaked toml for crates.io crate insert_multiple 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 92c849021f2c921f3b6137219742447bd4db5291bf670d830b53b42a3ef9418b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "92c849021f2c921f3b6137219742447bd4db5291bf670d830b53b42a3ef9418b"`
[INFO] [stderr]    Compiling insert_multiple v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "92c849021f2c921f3b6137219742447bd4db5291bf670d830b53b42a3ef9418b"`
[INFO] running `"docker" "rm" "-f" "92c849021f2c921f3b6137219742447bd4db5291bf670d830b53b42a3ef9418b"`
[INFO] [stdout] 92c849021f2c921f3b6137219742447bd4db5291bf670d830b53b42a3ef9418b
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db56d1f65687b21694976d8564fb5927819362c568233e139fb13b5b18a2f590
[INFO] running `"docker" "start" "-a" "db56d1f65687b21694976d8564fb5927819362c568233e139fb13b5b18a2f590"`
[INFO] [stderr]    Compiling insert_multiple v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "db56d1f65687b21694976d8564fb5927819362c568233e139fb13b5b18a2f590"`
[INFO] running `"docker" "rm" "-f" "db56d1f65687b21694976d8564fb5927819362c568233e139fb13b5b18a2f590"`
[INFO] [stdout] db56d1f65687b21694976d8564fb5927819362c568233e139fb13b5b18a2f590
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b41aef9fae61aef0c2aeea1840350b860f6653ac4bc6b01f3c80ab23cefaee9
[INFO] running `"docker" "start" "-a" "3b41aef9fae61aef0c2aeea1840350b860f6653ac4bc6b01f3c80ab23cefaee9"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/insert_multiple-11c8c2980458e6fb
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test inserter::tests::insert_one_at_beginning ... ok
[INFO] [stdout] test inserter::tests::insert_one_past_end ... ok
[INFO] [stdout] test string_inserter::tests::insert_one_at_end ... ok
[INFO] [stdout] test inserter::tests::interleave ... ok
[INFO] [stdout] test string_inserter::tests::insert_one_at_beginning ... ok
[INFO] [stdout] test string_inserter::tests::interleave ... ok
[INFO] [stdout] test string_inserter::tests::insert_one_past_end ... ok
[INFO] [stdout] test inserter::tests::insert_one_at_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests insert_multiple
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3b41aef9fae61aef0c2aeea1840350b860f6653ac4bc6b01f3c80ab23cefaee9"`
[INFO] running `"docker" "rm" "-f" "3b41aef9fae61aef0c2aeea1840350b860f6653ac4bc6b01f3c80ab23cefaee9"`
[INFO] [stdout] 3b41aef9fae61aef0c2aeea1840350b860f6653ac4bc6b01f3c80ab23cefaee9