[INFO] crate pebble 0.8.5 is already in cache
[INFO] testing pebble-0.8.5 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pebble 0.8.5 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pebble 0.8.5
[INFO] finished tweaking crates.io crate pebble 0.8.5
[INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 12e45824a67402ba306081b61bdfcac8a38dda42c61bc9e3e1ce1297b564add4
[INFO] running `"docker" "start" "-a" "12e45824a67402ba306081b61bdfcac8a38dda42c61bc9e3e1ce1297b564add4"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling recipe-reader v0.9.11
[INFO] [stderr]    Compiling lzf v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling pebble v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:460:8
[INFO] [stderr]     |
[INFO] [stderr] 460 |             for mut t in &mut recipe.targets
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:469:6
[INFO] [stderr]     |
[INFO] [stderr] 469 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:504:7
[INFO] [stderr]     |
[INFO] [stderr] 504 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:518:7
[INFO] [stderr]     |
[INFO] [stderr] 518 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:552:6
[INFO] [stderr]     |
[INFO] [stderr] 552 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.75s
[INFO] running `"docker" "inspect" "12e45824a67402ba306081b61bdfcac8a38dda42c61bc9e3e1ce1297b564add4"`
[INFO] running `"docker" "rm" "-f" "12e45824a67402ba306081b61bdfcac8a38dda42c61bc9e3e1ce1297b564add4"`
[INFO] [stdout] 12e45824a67402ba306081b61bdfcac8a38dda42c61bc9e3e1ce1297b564add4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1d3c068230a71265c5406db6e1e850a0d68593cf1a139e05919662f9b46ad2f7
[INFO] running `"docker" "start" "-a" "1d3c068230a71265c5406db6e1e850a0d68593cf1a139e05919662f9b46ad2f7"`
[INFO] [stderr]    Compiling pebble v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:460:8
[INFO] [stderr]     |
[INFO] [stderr] 460 |             for mut t in &mut recipe.targets
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:469:6
[INFO] [stderr]     |
[INFO] [stderr] 469 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:504:7
[INFO] [stderr]     |
[INFO] [stderr] 504 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:518:7
[INFO] [stderr]     |
[INFO] [stderr] 518 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:552:6
[INFO] [stderr]     |
[INFO] [stderr] 552 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "1d3c068230a71265c5406db6e1e850a0d68593cf1a139e05919662f9b46ad2f7"`
[INFO] running `"docker" "rm" "-f" "1d3c068230a71265c5406db6e1e850a0d68593cf1a139e05919662f9b46ad2f7"`
[INFO] [stdout] 1d3c068230a71265c5406db6e1e850a0d68593cf1a139e05919662f9b46ad2f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 698ee6edb3deee3e1961c8d93acb5f121c68df78ddaecab6633f7b4ac31400b8
[INFO] running `"docker" "start" "-a" "698ee6edb3deee3e1961c8d93acb5f121c68df78ddaecab6633f7b4ac31400b8"`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:460:8
[INFO] [stderr]     |
[INFO] [stderr] 460 |             for mut t in &mut recipe.targets
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:469:6
[INFO] [stderr]     |
[INFO] [stderr] 469 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:504:7
[INFO] [stderr]     |
[INFO] [stderr] 504 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:518:7
[INFO] [stderr]     |
[INFO] [stderr] 518 |         for mut t in &mut recipe.targets
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands.rs:552:6
[INFO] [stderr]     |
[INFO] [stderr] 552 |     for mut t in &mut recipe.targets
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pebble-6f093bd7dd8d1a74
[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" "698ee6edb3deee3e1961c8d93acb5f121c68df78ddaecab6633f7b4ac31400b8"`
[INFO] running `"docker" "rm" "-f" "698ee6edb3deee3e1961c8d93acb5f121c68df78ddaecab6633f7b4ac31400b8"`
[INFO] [stdout] 698ee6edb3deee3e1961c8d93acb5f121c68df78ddaecab6633f7b4ac31400b8