[INFO] fetching crate corollary-support 0.2.0...
[INFO] testing corollary-support-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate corollary-support 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate corollary-support 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate corollary-support 0.2.0
[INFO] finished tweaking crates.io crate corollary-support 0.2.0
[INFO] tweaked toml for crates.io crate corollary-support 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 8441d7cbe58c45d034627a3d45b185bd8e71954e71072ef7f1bab9f76c6c8c58
[INFO] running `Command { std: "docker" "start" "-a" "8441d7cbe58c45d034627a3d45b185bd8e71954e71072ef7f1bab9f76c6c8c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8441d7cbe58c45d034627a3d45b185bd8e71954e71072ef7f1bab9f76c6c8c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8441d7cbe58c45d034627a3d45b185bd8e71954e71072ef7f1bab9f76c6c8c58", kill_on_drop: false }`
[INFO] [stdout] 8441d7cbe58c45d034627a3d45b185bd8e71954e71072ef7f1bab9f76c6c8c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 3f067334d2b80bc44de7ed4c8c3282e12b7e45b749c980424f2d8498588950fd
[INFO] running `Command { std: "docker" "start" "-a" "3f067334d2b80bc44de7ed4c8c3282e12b7e45b749c980424f2d8498588950fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling corollary-support v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:553:26
[INFO] [stdout]     |
[INFO] [stdout] 553 | impl<A> fmt::Display for ReadS<A> {
[INFO] [stdout]     |                          ^^^^^^^^ help: use `dyn`: `dyn ReadS<A>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idx`
[INFO] [stdout]    --> src/lib.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 |     idx: Vec<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/lib.rs:862:5
[INFO] [stdout]     |
[INFO] [stdout] 862 |     inner: Vec<U>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "3f067334d2b80bc44de7ed4c8c3282e12b7e45b749c980424f2d8498588950fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f067334d2b80bc44de7ed4c8c3282e12b7e45b749c980424f2d8498588950fd", kill_on_drop: false }`
[INFO] [stdout] 3f067334d2b80bc44de7ed4c8c3282e12b7e45b749c980424f2d8498588950fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d02ff1551c1390a04bd2e5950007166bc12f963a02cd0a6885e0a10cffc701b
[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" "0d02ff1551c1390a04bd2e5950007166bc12f963a02cd0a6885e0a10cffc701b", kill_on_drop: false }`
[INFO] [stderr]    Compiling corollary-support v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:553:26
[INFO] [stdout]     |
[INFO] [stdout] 553 | impl<A> fmt::Display for ReadS<A> {
[INFO] [stdout]     |                          ^^^^^^^^ help: use `dyn`: `dyn ReadS<A>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idx`
[INFO] [stdout]    --> src/lib.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 |     idx: Vec<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/lib.rs:862:5
[INFO] [stdout]     |
[INFO] [stdout] 862 |     inner: Vec<U>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:553:26
[INFO] [stdout]     |
[INFO] [stdout] 553 | impl<A> fmt::Display for ReadS<A> {
[INFO] [stdout]     |                          ^^^^^^^^ help: use `dyn`: `dyn ReadS<A>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idx`
[INFO] [stdout]    --> src/lib.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 |     idx: Vec<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/lib.rs:862:5
[INFO] [stdout]     |
[INFO] [stdout] 862 |     inner: Vec<U>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "0d02ff1551c1390a04bd2e5950007166bc12f963a02cd0a6885e0a10cffc701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d02ff1551c1390a04bd2e5950007166bc12f963a02cd0a6885e0a10cffc701b", kill_on_drop: false }`
[INFO] [stdout] 0d02ff1551c1390a04bd2e5950007166bc12f963a02cd0a6885e0a10cffc701b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 5ff0db9364d8cb3a05b73b4fc7844bb50593fb93b60a6d0eaa82e7ef5fc0809c
[INFO] running `Command { std: "docker" "start" "-a" "5ff0db9364d8cb3a05b73b4fc7844bb50593fb93b60a6d0eaa82e7ef5fc0809c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:73:64
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:553:26
[INFO] [stderr]     |
[INFO] [stderr] 553 | impl<A> fmt::Display for ReadS<A> {
[INFO] [stderr]     |                          ^^^^^^^^ help: use `dyn`: `dyn ReadS<A>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `idx`
[INFO] [stderr]    --> src/lib.rs:861:5
[INFO] [stderr]     |
[INFO] [stderr] 861 |     idx: Vec<T>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner`
[INFO] [stderr]    --> src/lib.rs:862:5
[INFO] [stderr]     |
[INFO] [stderr] 862 |     inner: Vec<U>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:73:64
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:553:26
[INFO] [stderr]     |
[INFO] [stderr] 553 | impl<A> fmt::Display for ReadS<A> {
[INFO] [stderr]     |                          ^^^^^^^^ help: use `dyn`: `dyn ReadS<A>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `idx`
[INFO] [stderr]    --> src/lib.rs:861:5
[INFO] [stderr]     |
[INFO] [stderr] 861 |     idx: Vec<T>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner`
[INFO] [stderr]    --> src/lib.rs:862:5
[INFO] [stderr]     |
[INFO] [stderr] 862 |     inner: Vec<U>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/corollary_support-f55c130b05b5ed79
[INFO] [stderr]    Doc-tests corollary-support
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:73:64
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn __op_index<F, T: ::std::ops::Index<F>>(a: T, pos: F) -> (<T as std::ops::Index<F>>::Output)
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ff0db9364d8cb3a05b73b4fc7844bb50593fb93b60a6d0eaa82e7ef5fc0809c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff0db9364d8cb3a05b73b4fc7844bb50593fb93b60a6d0eaa82e7ef5fc0809c", kill_on_drop: false }`
[INFO] [stdout] 5ff0db9364d8cb3a05b73b4fc7844bb50593fb93b60a6d0eaa82e7ef5fc0809c