[INFO] cloning repository https://github.com/crystal-crash/placeholder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crystal-crash/placeholder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystal-crash%2Fplaceholder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystal-crash%2Fplaceholder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22fbc95fdb0b3225d9edcc2f544b2fd7d091d308
[INFO] testing crystal-crash/placeholder against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystal-crash%2Fplaceholder" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crystal-crash/placeholder on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/crystal-crash/placeholder
[INFO] finished tweaking git repo https://github.com/crystal-crash/placeholder
[INFO] tweaked toml for git repo https://github.com/crystal-crash/placeholder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/crystal-crash/placeholder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 052f6eaac2e1a1da526e795b82be3e13dac0b200fb0196a6f669d1ee2a55bc3a
[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" "052f6eaac2e1a1da526e795b82be3e13dac0b200fb0196a6f669d1ee2a55bc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052f6eaac2e1a1da526e795b82be3e13dac0b200fb0196a6f669d1ee2a55bc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052f6eaac2e1a1da526e795b82be3e13dac0b200fb0196a6f669d1ee2a55bc3a", kill_on_drop: false }`
[INFO] [stdout] 052f6eaac2e1a1da526e795b82be3e13dac0b200fb0196a6f669d1ee2a55bc3a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f0048afc46c9ca977aa0d4d88b23ed0b1b4a8692f50b06388dae25c6ac894ef
[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" "7f0048afc46c9ca977aa0d4d88b23ed0b1b4a8692f50b06388dae25c6ac894ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crypto_api v0.2.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling crypto_api_chachapoly v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling blake2s_simd v0.5.8
[INFO] [stderr]    Compiling blake2b_simd v0.5.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling fpe v0.2.0
[INFO] [stderr]    Compiling ff_derive v0.4.0
[INFO] [stderr]    Compiling ff v0.5.0
[INFO] [stderr]    Compiling group v0.2.0
[INFO] [stderr]    Compiling pairing v0.15.0
[INFO] [stderr]    Compiling bellman v0.2.0
[INFO] [stderr]    Compiling zcash_primitives v0.1.0
[INFO] [stderr]    Compiling zcash_proofs v0.1.0
[INFO] [stderr]    Compiling librustzcash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]  --> src/rust/src/rustzcash.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` 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 37.16s
[INFO] running `Command { std: "docker" "inspect" "7f0048afc46c9ca977aa0d4d88b23ed0b1b4a8692f50b06388dae25c6ac894ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0048afc46c9ca977aa0d4d88b23ed0b1b4a8692f50b06388dae25c6ac894ef", kill_on_drop: false }`
[INFO] [stdout] 7f0048afc46c9ca977aa0d4d88b23ed0b1b4a8692f50b06388dae25c6ac894ef
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] defbde3ead5214d283891d29a53bd40b121535952f2725890f4b324068e11190
[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" "defbde3ead5214d283891d29a53bd40b121535952f2725890f4b324068e11190", kill_on_drop: false }`
[INFO] [stderr]    Compiling librustzcash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]  --> src/rust/src/rustzcash.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust/src/tests/key_components.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust/src/tests/notes.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust/src/tests/signatures.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust/src/tests/mod.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "defbde3ead5214d283891d29a53bd40b121535952f2725890f4b324068e11190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "defbde3ead5214d283891d29a53bd40b121535952f2725890f4b324068e11190", kill_on_drop: false }`
[INFO] [stdout] defbde3ead5214d283891d29a53bd40b121535952f2725890f4b324068e11190
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac6f7b3ac0d7ae8eb1a2ba0ad47d074e37f72423885197cbff6a9cfcac606f7a
[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" "ac6f7b3ac0d7ae8eb1a2ba0ad47d074e37f72423885197cbff6a9cfcac606f7a", kill_on_drop: false }`
[INFO] [stderr] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stderr]  --> src/rust/src/rustzcash.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/src/tests/key_components.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/src/tests/notes.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/src/tests/signatures.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/src/tests/mod.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustzcash-ef101a7727b531cf)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_gen_r ... ok
[INFO] [stdout] test tests::sapling_generators ... ok
[INFO] [stdout] test tests::key_agreement::test_key_agreement ... ok
[INFO] [stdout] test tests::notes::notes ... ok
[INFO] [stdout] test tests::signatures::redjubjub_signatures ... ok
[INFO] [stdout] test tests::key_components::key_components ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac6f7b3ac0d7ae8eb1a2ba0ad47d074e37f72423885197cbff6a9cfcac606f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f7b3ac0d7ae8eb1a2ba0ad47d074e37f72423885197cbff6a9cfcac606f7a", kill_on_drop: false }`
[INFO] [stdout] ac6f7b3ac0d7ae8eb1a2ba0ad47d074e37f72423885197cbff6a9cfcac606f7a