[INFO] crate devserver_lib 0.1.3 is already in cache
[INFO] testing devserver_lib-0.1.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate devserver_lib 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate devserver_lib 0.1.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devserver_lib 0.1.3
[INFO] finished tweaking crates.io crate devserver_lib 0.1.3
[INFO] tweaked toml for crates.io crate devserver_lib 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate devserver_lib 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0098b5f2eaf1a9542764436b2cb88b2e748bdf07ecf6e9f1412cb1fa33ea520a
[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" "0098b5f2eaf1a9542764436b2cb88b2e748bdf07ecf6e9f1412cb1fa33ea520a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0098b5f2eaf1a9542764436b2cb88b2e748bdf07ecf6e9f1412cb1fa33ea520a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0098b5f2eaf1a9542764436b2cb88b2e748bdf07ecf6e9f1412cb1fa33ea520a", kill_on_drop: false }`
[INFO] [stdout] 0098b5f2eaf1a9542764436b2cb88b2e748bdf07ecf6e9f1412cb1fa33ea520a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12b95bb85e80b4c14c1b249e0c9cd670e8dc4008b1d814a3c81e9c858109fca1
[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" "12b95bb85e80b4c14c1b249e0c9cd670e8dc4008b1d814a3c81e9c858109fca1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling devserver_lib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reload`
[INFO] [stdout]    --> src/lib.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stdout]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut content_length = file_contents.len();
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "12b95bb85e80b4c14c1b249e0c9cd670e8dc4008b1d814a3c81e9c858109fca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b95bb85e80b4c14c1b249e0c9cd670e8dc4008b1d814a3c81e9c858109fca1", kill_on_drop: false }`
[INFO] [stdout] 12b95bb85e80b4c14c1b249e0c9cd670e8dc4008b1d814a3c81e9c858109fca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 4710c734890cb5a627b86370c4275ea20038d185dd4287f28af92f5a9a09fc4e
[INFO] running `Command { std: "docker" "start" "-a" "4710c734890cb5a627b86370c4275ea20038d185dd4287f28af92f5a9a09fc4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling devserver_lib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reload`
[INFO] [stdout]    --> src/lib.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stdout]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut content_length = file_contents.len();
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reload`
[INFO] [stdout]    --> src/lib.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stdout]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut content_length = file_contents.len();
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "4710c734890cb5a627b86370c4275ea20038d185dd4287f28af92f5a9a09fc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4710c734890cb5a627b86370c4275ea20038d185dd4287f28af92f5a9a09fc4e", kill_on_drop: false }`
[INFO] [stdout] 4710c734890cb5a627b86370c4275ea20038d185dd4287f28af92f5a9a09fc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 258e2513a9ca4ef487b9503e54a5aab54013c520813932ad6673f7d95095be86
[INFO] running `Command { std: "docker" "start" "-a" "258e2513a9ca4ef487b9503e54a5aab54013c520813932ad6673f7d95095be86", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `reload`
[INFO] [stderr]    --> src/lib.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stderr]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut content_length = file_contents.len();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reload`
[INFO] [stderr]    --> src/lib.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn run(address: &str, port: u32, path: &str, reload: bool) {
[INFO] [stderr]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reload`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut content_length = file_contents.len();
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/devserver_lib-ec946b97034471f8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests devserver_lib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "258e2513a9ca4ef487b9503e54a5aab54013c520813932ad6673f7d95095be86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258e2513a9ca4ef487b9503e54a5aab54013c520813932ad6673f7d95095be86", kill_on_drop: false }`
[INFO] [stdout] 258e2513a9ca4ef487b9503e54a5aab54013c520813932ad6673f7d95095be86