[INFO] fetching crate closure_cacher 0.2.1...
[INFO] testing closure_cacher-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate closure_cacher 0.2.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate closure_cacher 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closure_cacher 0.2.1
[INFO] finished tweaking crates.io crate closure_cacher 0.2.1
[INFO] tweaked toml for crates.io crate closure_cacher 0.2.1 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7baef5a45f2c60ad1b3eac3f20eedf8e5b1453d727cb112ac90e118e020336ce
[INFO] running `Command { std: "docker" "start" "-a" "7baef5a45f2c60ad1b3eac3f20eedf8e5b1453d727cb112ac90e118e020336ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7baef5a45f2c60ad1b3eac3f20eedf8e5b1453d727cb112ac90e118e020336ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7baef5a45f2c60ad1b3eac3f20eedf8e5b1453d727cb112ac90e118e020336ce", kill_on_drop: false }`
[INFO] [stdout] 7baef5a45f2c60ad1b3eac3f20eedf8e5b1453d727cb112ac90e118e020336ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546c1da8d3d7009d6065f4eb617f84f19ac3ae5f684f88033a28a39e261ec527
[INFO] running `Command { std: "docker" "start" "-a" "546c1da8d3d7009d6065f4eb617f84f19ac3ae5f684f88033a28a39e261ec527", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "546c1da8d3d7009d6065f4eb617f84f19ac3ae5f684f88033a28a39e261ec527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546c1da8d3d7009d6065f4eb617f84f19ac3ae5f684f88033a28a39e261ec527", kill_on_drop: false }`
[INFO] [stdout] 546c1da8d3d7009d6065f4eb617f84f19ac3ae5f684f88033a28a39e261ec527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d94bc8c3e5eab5cdaaeab55476c3b32ecdd38d511d7dd227b1101de55369d8c2
[INFO] running `Command { std: "docker" "start" "-a" "d94bc8c3e5eab5cdaaeab55476c3b32ecdd38d511d7dd227b1101de55369d8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/closure_cacher-80430ee6a2d172ee)
[INFO] running `Command { std: "docker" "inspect" "d94bc8c3e5eab5cdaaeab55476c3b32ecdd38d511d7dd227b1101de55369d8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94bc8c3e5eab5cdaaeab55476c3b32ecdd38d511d7dd227b1101de55369d8c2", kill_on_drop: false }`
[INFO] [stdout] d94bc8c3e5eab5cdaaeab55476c3b32ecdd38d511d7dd227b1101de55369d8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f26dfa3076cfba082e63fed2387d2ab8891dd364b27ca83bd18d1add2bd072b2
[INFO] running `Command { std: "docker" "start" "-a" "f26dfa3076cfba082e63fed2387d2ab8891dd364b27ca83bd18d1add2bd072b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/closure_cacher-80430ee6a2d172ee)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::returns_closure_output_with_input_copy ... ok
[INFO] [stdout] test tests::returns_closure_output_with_input_referenced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests closure_cacher
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - RefCacher (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Cacher (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f26dfa3076cfba082e63fed2387d2ab8891dd364b27ca83bd18d1add2bd072b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26dfa3076cfba082e63fed2387d2ab8891dd364b27ca83bd18d1add2bd072b2", kill_on_drop: false }`
[INFO] [stdout] f26dfa3076cfba082e63fed2387d2ab8891dd364b27ca83bd18d1add2bd072b2