[INFO] fetching crate product-os-random 0.0.27...
[INFO] testing product-os-random-0.0.27 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate product-os-random 0.0.27 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate product-os-random 0.0.27 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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: v0.3.3)
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflections v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0226d29d3d24e1c666e3446d4304be6e02a40f272b92f25550e5e7ba72cd6e1
[INFO] running `Command { std: "docker" "start" "-a" "e0226d29d3d24e1c666e3446d4304be6e02a40f272b92f25550e5e7ba72cd6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0226d29d3d24e1c666e3446d4304be6e02a40f272b92f25550e5e7ba72cd6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0226d29d3d24e1c666e3446d4304be6e02a40f272b92f25550e5e7ba72cd6e1", kill_on_drop: false }`
[INFO] [stdout] e0226d29d3d24e1c666e3446d4304be6e02a40f272b92f25550e5e7ba72cd6e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11a0f003c5841a81430f89216f667a4e17650c4ce596385da85397e64a79374
[INFO] running `Command { std: "docker" "start" "-a" "c11a0f003c5841a81430f89216f667a4e17650c4ce596385da85397e64a79374", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[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 2.65s
[INFO] running `Command { std: "docker" "inspect" "c11a0f003c5841a81430f89216f667a4e17650c4ce596385da85397e64a79374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11a0f003c5841a81430f89216f667a4e17650c4ce596385da85397e64a79374", kill_on_drop: false }`
[INFO] [stdout] c11a0f003c5841a81430f89216f667a4e17650c4ce596385da85397e64a79374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02af4ae738a5f24849b2c7d0ff71521468e22d9ebc34b5ed6052c5e52f478ce1
[INFO] running `Command { std: "docker" "start" "-a" "02af4ae738a5f24849b2c7d0ff71521468e22d9ebc34b5ed6052c5e52f478ce1", kill_on_drop: false }`
[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] [stderr]    Compiling product-os-random v0.0.27 (/opt/rustwide/workdir)
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "02af4ae738a5f24849b2c7d0ff71521468e22d9ebc34b5ed6052c5e52f478ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02af4ae738a5f24849b2c7d0ff71521468e22d9ebc34b5ed6052c5e52f478ce1", kill_on_drop: false }`
[INFO] [stdout] 02af4ae738a5f24849b2c7d0ff71521468e22d9ebc34b5ed6052c5e52f478ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d59faaf10c1cba60a7adbccb3760b34cd15dcede985000ecf2981491931b080e
[INFO] running `Command { std: "docker" "start" "-a" "d59faaf10c1cba60a7adbccb3760b34cd15dcede985000ecf2981491931b080e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/lib.rs:223:30
[INFO] [stderr]     |
[INFO] [stderr] 223 |     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]     = 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/product_os_random-0641b748bcfb78d9)
[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] [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" "d59faaf10c1cba60a7adbccb3760b34cd15dcede985000ecf2981491931b080e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59faaf10c1cba60a7adbccb3760b34cd15dcede985000ecf2981491931b080e", kill_on_drop: false }`
[INFO] [stdout] d59faaf10c1cba60a7adbccb3760b34cd15dcede985000ecf2981491931b080e