[INFO] updating cached repository https://github.com/Ryan1729/markov_jukebox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c6c631a33a41ab937f9c0d9150775280a273a6a
[INFO] testing Ryan1729/markov_jukebox against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fmarkov_jukebox" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/markov_jukebox on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ryan1729/markov_jukebox
[INFO] finished tweaking git repo https://github.com/Ryan1729/markov_jukebox
[INFO] tweaked toml for git repo https://github.com/Ryan1729/markov_jukebox written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan1729/markov_jukebox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52eb91ff6a96de8bc485f0618767e3f6fa092d7e9f221139a7180df29e3c8766
[INFO] running `"docker" "start" "-a" "52eb91ff6a96de8bc485f0618767e3f6fa092d7e9f221139a7180df29e3c8766"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling hound v2.0.0
[INFO] [stderr]    Compiling sample v0.6.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling markov_jukebox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let samples: Box<Iterator<Item = i16>> = if spec.bits_per_sample <= 16 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = i16>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.15s
[INFO] running `"docker" "inspect" "52eb91ff6a96de8bc485f0618767e3f6fa092d7e9f221139a7180df29e3c8766"`
[INFO] running `"docker" "rm" "-f" "52eb91ff6a96de8bc485f0618767e3f6fa092d7e9f221139a7180df29e3c8766"`
[INFO] [stdout] 52eb91ff6a96de8bc485f0618767e3f6fa092d7e9f221139a7180df29e3c8766
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38435e7fc62a2ebe877e7949c8ac1ade08dc189881d1653db144ea3fbc96a90c
[INFO] running `"docker" "start" "-a" "38435e7fc62a2ebe877e7949c8ac1ade08dc189881d1653db144ea3fbc96a90c"`
[INFO] [stderr]    Compiling markov_jukebox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let samples: Box<Iterator<Item = i16>> = if spec.bits_per_sample <= 16 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = i16>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "38435e7fc62a2ebe877e7949c8ac1ade08dc189881d1653db144ea3fbc96a90c"`
[INFO] running `"docker" "rm" "-f" "38435e7fc62a2ebe877e7949c8ac1ade08dc189881d1653db144ea3fbc96a90c"`
[INFO] [stdout] 38435e7fc62a2ebe877e7949c8ac1ade08dc189881d1653db144ea3fbc96a90c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51d5978af5160b498d4eba5e75533182724f913da359d5df17806e77f4aa93eb
[INFO] running `"docker" "start" "-a" "51d5978af5160b498d4eba5e75533182724f913da359d5df17806e77f4aa93eb"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let samples: Box<Iterator<Item = i16>> = if spec.bits_per_sample <= 16 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = i16>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_jukebox-91a2afd0986643c5
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51d5978af5160b498d4eba5e75533182724f913da359d5df17806e77f4aa93eb"`
[INFO] running `"docker" "rm" "-f" "51d5978af5160b498d4eba5e75533182724f913da359d5df17806e77f4aa93eb"`
[INFO] [stdout] 51d5978af5160b498d4eba5e75533182724f913da359d5df17806e77f4aa93eb