[INFO] fetching crate mmap-safe 0.0.2...
[INFO] testing mmap-safe-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mmap-safe 0.0.2 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate mmap-safe 0.0.2 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 mmap-safe 0.0.2
[INFO] finished tweaking crates.io crate mmap-safe 0.0.2
[INFO] tweaked toml for crates.io crate mmap-safe 0.0.2 written to /workspace/builds/worker-68/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] 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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] aa66f389ec66a2aa6d6f67b9cb3a9ae29132bf8fa4fef2b96241d7639f6a1d0f
[INFO] running `Command { std: "docker" "start" "-a" "aa66f389ec66a2aa6d6f67b9cb3a9ae29132bf8fa4fef2b96241d7639f6a1d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa66f389ec66a2aa6d6f67b9cb3a9ae29132bf8fa4fef2b96241d7639f6a1d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa66f389ec66a2aa6d6f67b9cb3a9ae29132bf8fa4fef2b96241d7639f6a1d0f", kill_on_drop: false }`
[INFO] [stdout] aa66f389ec66a2aa6d6f67b9cb3a9ae29132bf8fa4fef2b96241d7639f6a1d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 04eb58db40d075c617d6a3a1c8979c27b5b9ffc64f526e0b8120c93a8aecc549
[INFO] running `Command { std: "docker" "start" "-a" "04eb58db40d075c617d6a3a1c8979c27b5b9ffc64f526e0b8120c93a8aecc549", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling mmap-safe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "04eb58db40d075c617d6a3a1c8979c27b5b9ffc64f526e0b8120c93a8aecc549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eb58db40d075c617d6a3a1c8979c27b5b9ffc64f526e0b8120c93a8aecc549", kill_on_drop: false }`
[INFO] [stdout] 04eb58db40d075c617d6a3a1c8979c27b5b9ffc64f526e0b8120c93a8aecc549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 8e51d3f2395a6b844055dbb799d561473c5eefcdeea0fd9e0dd9a68b55ce2a42
[INFO] running `Command { std: "docker" "start" "-a" "8e51d3f2395a6b844055dbb799d561473c5eefcdeea0fd9e0dd9a68b55ce2a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling mmap-safe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmap_safe-e4985ce6acb7cb7a)
[INFO] running `Command { std: "docker" "inspect" "8e51d3f2395a6b844055dbb799d561473c5eefcdeea0fd9e0dd9a68b55ce2a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e51d3f2395a6b844055dbb799d561473c5eefcdeea0fd9e0dd9a68b55ce2a42", kill_on_drop: false }`
[INFO] [stdout] 8e51d3f2395a6b844055dbb799d561473c5eefcdeea0fd9e0dd9a68b55ce2a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 5f710a99fb8665dce3fa7757ab3d4b080338d6cf4c96e3c2918f0a459dbf29e5
[INFO] running `Command { std: "docker" "start" "-a" "5f710a99fb8665dce3fa7757ab3d4b080338d6cf4c96e3c2918f0a459dbf29e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmap_safe-e4985ce6acb7cb7a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::empty_files ... ok
[INFO] [stdout] test tests::multiple_immutable_mappings ... ok
[INFO] [stderr]    Doc-tests mmap-safe
[INFO] [stdout] test tests::write_works ... ok
[INFO] [stdout] test tests::only_one_instance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "5f710a99fb8665dce3fa7757ab3d4b080338d6cf4c96e3c2918f0a459dbf29e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f710a99fb8665dce3fa7757ab3d4b080338d6cf4c96e3c2918f0a459dbf29e5", kill_on_drop: false }`
[INFO] [stdout] 5f710a99fb8665dce3fa7757ab3d4b080338d6cf4c96e3c2918f0a459dbf29e5