[INFO] fetching crate product-os-random 0.0.27...
[INFO] testing product-os-random-0.0.27 against 1.91.0 for beta-1.92-2
[INFO] extracting crate product-os-random 0.0.27 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate product-os-random 0.0.27
[INFO] finished tweaking crates.io crate product-os-random 0.0.27
[INFO] tweaked toml for crates.io crate product-os-random 0.0.27 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate product-os-random 0.0.27 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2760d1a94f2fba75994b772cdf05aed412e8097712417de989ef5795775bfee0
[INFO] running `Command { std: "docker" "start" "-a" "2760d1a94f2fba75994b772cdf05aed412e8097712417de989ef5795775bfee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2760d1a94f2fba75994b772cdf05aed412e8097712417de989ef5795775bfee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2760d1a94f2fba75994b772cdf05aed412e8097712417de989ef5795775bfee0", kill_on_drop: false }`
[INFO] [stdout] 2760d1a94f2fba75994b772cdf05aed412e8097712417de989ef5795775bfee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5adbb958d40300ae4527d4ef5405fe66bcd98d748b2d9caf1c38bd899accb9
[INFO] running `Command { std: "docker" "start" "-a" "ff5adbb958d40300ae4527d4ef5405fe66bcd98d748b2d9caf1c38bd899accb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling product-os-random v0.0.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:223:30
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:259:34
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:366:30
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:390:34
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "ff5adbb958d40300ae4527d4ef5405fe66bcd98d748b2d9caf1c38bd899accb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5adbb958d40300ae4527d4ef5405fe66bcd98d748b2d9caf1c38bd899accb9", kill_on_drop: false }`
[INFO] [stdout] ff5adbb958d40300ae4527d4ef5405fe66bcd98d748b2d9caf1c38bd899accb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca85cfe144aa89f87e4f693188da940d9a35c7e63dc47f58de78b670e9d1de1
[INFO] running `Command { std: "docker" "start" "-a" "6ca85cfe144aa89f87e4f693188da940d9a35c7e63dc47f58de78b670e9d1de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling product-os-random v0.0.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:223:30
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:259:34
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:366:30
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:390:34
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:223:30
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:259:34
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:366:30
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/lib.rs:390:34
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6ca85cfe144aa89f87e4f693188da940d9a35c7e63dc47f58de78b670e9d1de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca85cfe144aa89f87e4f693188da940d9a35c7e63dc47f58de78b670e9d1de1", kill_on_drop: false }`
[INFO] [stdout] 6ca85cfe144aa89f87e4f693188da940d9a35c7e63dc47f58de78b670e9d1de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4af870bf1324c1a34cab5130190bb9f0fae28581dce4036b59c38b584d393140
[INFO] running `Command { std: "docker" "start" "-a" "4af870bf1324c1a34cab5130190bb9f0fae28581dce4036b59c38b584d393140", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:223:30
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 223 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/lib.rs:259:34
[INFO] [stderr]     |
[INFO] [stderr] 259 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/lib.rs:366:30
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn fill_bytes(&mut self, dest: &mut [u8]) {
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/lib.rs:390:34
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: `product-os-random` (lib) generated 4 warnings
[INFO] [stderr] warning: `product-os-random` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/product_os_random-7c1c4ab477759363)
[INFO] [stderr]    Doc-tests product_os_random
[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" "4af870bf1324c1a34cab5130190bb9f0fae28581dce4036b59c38b584d393140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af870bf1324c1a34cab5130190bb9f0fae28581dce4036b59c38b584d393140", kill_on_drop: false }`
[INFO] [stdout] 4af870bf1324c1a34cab5130190bb9f0fae28581dce4036b59c38b584d393140