[INFO] cloning repository https://github.com/evaldast/log_watcher_electric_boogaloo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evaldast/log_watcher_electric_boogaloo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevaldast%2Flog_watcher_electric_boogaloo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevaldast%2Flog_watcher_electric_boogaloo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4ae3276631310e33ca7a3f96856f5a790f26dc
[INFO] testing evaldast/log_watcher_electric_boogaloo against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevaldast%2Flog_watcher_electric_boogaloo" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evaldast/log_watcher_electric_boogaloo on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evaldast/log_watcher_electric_boogaloo
[INFO] finished tweaking git repo https://github.com/evaldast/log_watcher_electric_boogaloo
[INFO] tweaked toml for git repo https://github.com/evaldast/log_watcher_electric_boogaloo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/evaldast/log_watcher_electric_boogaloo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23cc07121605b85b46f609a1a90a1eb470c07ee24e66cbf2b842eb9b661331df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23cc07121605b85b46f609a1a90a1eb470c07ee24e66cbf2b842eb9b661331df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23cc07121605b85b46f609a1a90a1eb470c07ee24e66cbf2b842eb9b661331df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cc07121605b85b46f609a1a90a1eb470c07ee24e66cbf2b842eb9b661331df", kill_on_drop: false }`
[INFO] [stdout] 23cc07121605b85b46f609a1a90a1eb470c07ee24e66cbf2b842eb9b661331df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 578a179a184e64234c6997638161f000c8b27fc71af53360835f65906461d522
[INFO] running `Command { std: "docker" "start" "-a" "578a179a184e64234c6997638161f000c8b27fc71af53360835f65906461d522", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.12.0
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling log_watcher_electric_boogaloo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut listener = try_socket.expect("Failed to bind");
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "578a179a184e64234c6997638161f000c8b27fc71af53360835f65906461d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578a179a184e64234c6997638161f000c8b27fc71af53360835f65906461d522", kill_on_drop: false }`
[INFO] [stdout] 578a179a184e64234c6997638161f000c8b27fc71af53360835f65906461d522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c59aba78814b939e26306f40dd7f5ea402b554924388a7e72e9aad3b0c0acbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c59aba78814b939e26306f40dd7f5ea402b554924388a7e72e9aad3b0c0acbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log_watcher_electric_boogaloo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut listener = try_socket.expect("Failed to bind");
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "1c59aba78814b939e26306f40dd7f5ea402b554924388a7e72e9aad3b0c0acbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c59aba78814b939e26306f40dd7f5ea402b554924388a7e72e9aad3b0c0acbb", kill_on_drop: false }`
[INFO] [stdout] 1c59aba78814b939e26306f40dd7f5ea402b554924388a7e72e9aad3b0c0acbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7a72c1fcec55556c0f8f6b3a2ee0ee2c94436e568d63806f500a4b87ac26018
[INFO] running `Command { std: "docker" "start" "-a" "c7a72c1fcec55556c0f8f6b3a2ee0ee2c94436e568d63806f500a4b87ac26018", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut listener = try_socket.expect("Failed to bind");
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/log_watcher_electric_boogaloo-3f4544d42a47787d
[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 `Command { std: "docker" "inspect" "c7a72c1fcec55556c0f8f6b3a2ee0ee2c94436e568d63806f500a4b87ac26018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a72c1fcec55556c0f8f6b3a2ee0ee2c94436e568d63806f500a4b87ac26018", kill_on_drop: false }`
[INFO] [stdout] c7a72c1fcec55556c0f8f6b3a2ee0ee2c94436e568d63806f500a4b87ac26018