[INFO] crate corollary-support 0.2.0 is already in cache
[INFO] testing corollary-support-0.2.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate corollary-support 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate corollary-support 0.2.0 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 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-9/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] 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bbb4f3e10a45147828510bc5f41e009d4ac68485456ef8cf00b0a2853e2f413b
[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" "bbb4f3e10a45147828510bc5f41e009d4ac68485456ef8cf00b0a2853e2f413b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb4f3e10a45147828510bc5f41e009d4ac68485456ef8cf00b0a2853e2f413b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb4f3e10a45147828510bc5f41e009d4ac68485456ef8cf00b0a2853e2f413b", kill_on_drop: false }`
[INFO] [stdout] bbb4f3e10a45147828510bc5f41e009d4ac68485456ef8cf00b0a2853e2f413b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a40160d22ee52f7ffa4e0feb4fd8b651be8774a881e4125e53cbd2ee34f757ba
[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" "a40160d22ee52f7ffa4e0feb4fd8b651be8774a881e4125e53cbd2ee34f757ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a40160d22ee52f7ffa4e0feb4fd8b651be8774a881e4125e53cbd2ee34f757ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40160d22ee52f7ffa4e0feb4fd8b651be8774a881e4125e53cbd2ee34f757ba", kill_on_drop: false }`
[INFO] [stdout] a40160d22ee52f7ffa4e0feb4fd8b651be8774a881e4125e53cbd2ee34f757ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9929692a5e39ab08cef8a06145b318e401b1c85fdfc7536e6a3e78680fd58f36
[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" "9929692a5e39ab08cef8a06145b318e401b1c85fdfc7536e6a3e78680fd58f36", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "9929692a5e39ab08cef8a06145b318e401b1c85fdfc7536e6a3e78680fd58f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9929692a5e39ab08cef8a06145b318e401b1c85fdfc7536e6a3e78680fd58f36", kill_on_drop: false }`
[INFO] [stdout] 9929692a5e39ab08cef8a06145b318e401b1c85fdfc7536e6a3e78680fd58f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8008c9a4ff8250277713970ab9dc9158487c96102f5c397ee644d69e2ea69f4a
[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" "8008c9a4ff8250277713970ab9dc9158487c96102f5c397ee644d69e2ea69f4a", 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: 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: 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: 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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/corollary_support-3fc48ecae6efdce1
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8008c9a4ff8250277713970ab9dc9158487c96102f5c397ee644d69e2ea69f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8008c9a4ff8250277713970ab9dc9158487c96102f5c397ee644d69e2ea69f4a", kill_on_drop: false }`
[INFO] [stdout] 8008c9a4ff8250277713970ab9dc9158487c96102f5c397ee644d69e2ea69f4a