[INFO] fetching crate indexlist 0.1.0...
[INFO] testing indexlist-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate indexlist 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate indexlist 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indexlist 0.1.0
[INFO] finished tweaking crates.io crate indexlist 0.1.0
[INFO] tweaked toml for crates.io crate indexlist 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7b9262e8ea4b5935cdc44eb145cc8b728fddc97db953b6e46e9b3e5e3175e54
[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" "c7b9262e8ea4b5935cdc44eb145cc8b728fddc97db953b6e46e9b3e5e3175e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b9262e8ea4b5935cdc44eb145cc8b728fddc97db953b6e46e9b3e5e3175e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b9262e8ea4b5935cdc44eb145cc8b728fddc97db953b6e46e9b3e5e3175e54", kill_on_drop: false }`
[INFO] [stdout] c7b9262e8ea4b5935cdc44eb145cc8b728fddc97db953b6e46e9b3e5e3175e54
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cede033732dbc96e87e30812a607a96f69289aeab298dc5c002101daa736d363
[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" "cede033732dbc96e87e30812a607a96f69289aeab298dc5c002101daa736d363", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "cede033732dbc96e87e30812a607a96f69289aeab298dc5c002101daa736d363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cede033732dbc96e87e30812a607a96f69289aeab298dc5c002101daa736d363", kill_on_drop: false }`
[INFO] [stdout] cede033732dbc96e87e30812a607a96f69289aeab298dc5c002101daa736d363
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7034cdd7d459fa297297a8c6a43197c5478ba049e42373ea564b8a7ae9caab5
[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" "a7034cdd7d459fa297297a8c6a43197c5478ba049e42373ea564b8a7ae9caab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling generational-arena v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling indexlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "a7034cdd7d459fa297297a8c6a43197c5478ba049e42373ea564b8a7ae9caab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7034cdd7d459fa297297a8c6a43197c5478ba049e42373ea564b8a7ae9caab5", kill_on_drop: false }`
[INFO] [stdout] a7034cdd7d459fa297297a8c6a43197c5478ba049e42373ea564b8a7ae9caab5
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44fd28d39b1a0b9565d97f82199caa1c1c8293398f3b47ea54a9d7a68062d97a
[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" "44fd28d39b1a0b9565d97f82199caa1c1c8293398f3b47ea54a9d7a68062d97a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/indexlist-1a040971f5f6ce8f
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::create_list ... ok
[INFO] [stdout] test tests::insert_thrice ... ok
[INFO] [stdout] test tests::index_of ... ok
[INFO] [stdout] test tests::generations ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::push_and_pop ... ok
[INFO] [stdout] test tests::pop_front ... ok
[INFO] [stdout] test tests::remove_only ... ok
[INFO] [stdout] test tests::remove_returns_none_when_not_there ... ok
[INFO] [stdout] test tests::remove_tail ... ok
[INFO] [stdout] test tests::push_front ... ok
[INFO] [stdout] test tests::head ... ok
[INFO] [stdout] test tests::reallocation ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::remove_head ... ok
[INFO] [stdout] test tests::remove_middle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests indexlist
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/lib.rs - IndexList<T>::get (line 543) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::iter (line 750) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::new (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::head (line 257) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::index_of (line 781) ... ok
[INFO] [stdout] test src/lib.rs - Index (line 148) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::contains (line 496) ... ok
[INFO] [stdout] test src/lib.rs - Index (line 161) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::get (line 559) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::pop_front (line 818) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::push_back (line 286) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::head (line 243) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::get (line 529) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::remove (line 598) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::with_capacity (line 218) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::push_front (line 402) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::remove (line 615) ... ok
[INFO] [stdout] test src/lib.rs - IndexList<T>::remove (line 631) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44fd28d39b1a0b9565d97f82199caa1c1c8293398f3b47ea54a9d7a68062d97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fd28d39b1a0b9565d97f82199caa1c1c8293398f3b47ea54a9d7a68062d97a", kill_on_drop: false }`
[INFO] [stdout] 44fd28d39b1a0b9565d97f82199caa1c1c8293398f3b47ea54a9d7a68062d97a