[INFO] fetching crate rust-dwm-status 0.5.0...
[INFO] checking rust-dwm-status-0.5.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate rust-dwm-status 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-dwm-status 0.5.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-dwm-status 0.5.0
[INFO] finished tweaking crates.io crate rust-dwm-status 0.5.0
[INFO] tweaked toml for crates.io crate rust-dwm-status 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] [stderr]   Downloaded notify-rust v3.6.3
[INFO] [stderr]   Downloaded systemstat v0.1.5
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b00aa25e706e2374f72c195ad1e7063e5e9c74e4234e107b0f7b1c93a66099de
[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" "b00aa25e706e2374f72c195ad1e7063e5e9c74e4234e107b0f7b1c93a66099de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00aa25e706e2374f72c195ad1e7063e5e9c74e4234e107b0f7b1c93a66099de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00aa25e706e2374f72c195ad1e7063e5e9c74e4234e107b0f7b1c93a66099de", kill_on_drop: false }`
[INFO] [stdout] b00aa25e706e2374f72c195ad1e7063e5e9c74e4234e107b0f7b1c93a66099de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9ef21a5b219c02b5282ca46fdbcb08860d06f4dd5cc49607e6246f7761294e5
[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" "f9ef21a5b219c02b5282ca46fdbcb08860d06f4dd5cc49607e6246f7761294e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking systemstat v0.1.5
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]     Checking rust-dwm-status v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: cannot subtract `systemstat::ByteSize` from `systemstat::ByteSize`
[INFO] [stdout]   --> src/main.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let used = mem.total - mem.free;
[INFO] [stdout]    |                    --------- ^ -------- systemstat::ByteSize
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    systemstat::ByteSize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot subtract `systemstat::ByteSize` from `systemstat::ByteSize`
[INFO] [stdout]   --> src/main.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let used = mem.total - mem.free;
[INFO] [stdout]    |                    --------- ^ -------- systemstat::ByteSize
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    systemstat::ByteSize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `notify_rust::server::NotificationServer` in the current scope
[INFO] [stdout]   --> src/main.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut server = NotificationServer::new();
[INFO] [stdout]    |                                          ^^^ function or associated item not found in `notify_rust::server::NotificationServer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `notify_rust::server::NotificationServer` in the current scope
[INFO] [stdout]   --> src/main.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut server = NotificationServer::new();
[INFO] [stdout]    |                                          ^^^ function or associated item not found in `notify_rust::server::NotificationServer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0369, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0369, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-dwm-status`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9ef21a5b219c02b5282ca46fdbcb08860d06f4dd5cc49607e6246f7761294e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ef21a5b219c02b5282ca46fdbcb08860d06f4dd5cc49607e6246f7761294e5", kill_on_drop: false }`
[INFO] [stdout] f9ef21a5b219c02b5282ca46fdbcb08860d06f4dd5cc49607e6246f7761294e5