[INFO] cloning repository https://github.com/divieurora/tutorial8-subscriber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/divieurora/tutorial8-subscriber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivieurora%2Ftutorial8-subscriber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivieurora%2Ftutorial8-subscriber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4965d579146c72c7220431d3adc000588bf4f22d
[INFO] checking divieurora/tutorial8-subscriber against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivieurora%2Ftutorial8-subscriber" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  64% (1594/2484)
Updating files:  65% (1615/2484)
Updating files:  66% (1640/2484)
Updating files:  67% (1665/2484)
Updating files:  68% (1690/2484)
Updating files:  69% (1714/2484)
Updating files:  70% (1739/2484)
Updating files:  71% (1764/2484)
Updating files:  72% (1789/2484)
Updating files:  72% (1800/2484)
Updating files:  73% (1814/2484)
Updating files:  74% (1839/2484)
Updating files:  74% (1860/2484)
Updating files:  75% (1863/2484)
Updating files:  76% (1888/2484)
Updating files:  76% (1904/2484)
Updating files:  77% (1913/2484)
Updating files:  78% (1938/2484)
Updating files:  79% (1963/2484)
Updating files:  80% (1988/2484)
Updating files:  81% (2013/2484)
Updating files:  82% (2037/2484)
Updating files:  83% (2062/2484)
Updating files:  84% (2087/2484)
Updating files:  85% (2112/2484)
Updating files:  86% (2137/2484)
Updating files:  87% (2162/2484)
Updating files:  87% (2167/2484)
Updating files:  88% (2186/2484)
Updating files:  89% (2211/2484)
Updating files:  90% (2236/2484)
Updating files:  91% (2261/2484)
Updating files:  92% (2286/2484)
Updating files:  93% (2311/2484)
Updating files:  94% (2335/2484)
Updating files:  95% (2360/2484)
Updating files:  96% (2385/2484)
Updating files:  97% (2410/2484)
Updating files:  98% (2435/2484)
Updating files:  99% (2460/2484)
Updating files: 100% (2484/2484)
Updating files: 100% (2484/2484), done.
[INFO] validating manifest of git repo https://github.com/divieurora/tutorial8-subscriber on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/divieurora/tutorial8-subscriber
[INFO] finished tweaking git repo https://github.com/divieurora/tutorial8-subscriber
[INFO] tweaked toml for git repo https://github.com/divieurora/tutorial8-subscriber written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/divieurora/tutorial8-subscriber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.6
[INFO] [stderr]   Downloaded crosstown_bus v0.5.3
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded cookie-factory v0.2.4
[INFO] [stderr]   Downloaded native-tls v0.2.11
[INFO] [stderr]   Downloaded input_buffer v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded thiserror-impl v1.0.59
[INFO] [stderr]   Downloaded thiserror v1.0.59
[INFO] [stderr]   Downloaded pest_meta v2.7.9
[INFO] [stderr]   Downloaded handlebars v1.1.0
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded pest v2.7.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.12
[INFO] [stderr]   Downloaded serde_json v1.0.116
[INFO] [stderr]   Downloaded security-framework v2.10.0
[INFO] [stderr]   Downloaded cc v1.0.95
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded pest_derive v2.7.9
[INFO] [stderr]   Downloaded cargo-lock v8.0.3
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded amiquip v0.4.2
[INFO] [stderr]   Downloaded pest_generator v2.7.9
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded rustix v0.38.33
[INFO] [stderr]   Downloaded amq-protocol-codegen v1.4.0
[INFO] [stderr]   Downloaded amq-protocol-types v1.2.0
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded security-framework-sys v2.10.0
[INFO] [stderr]   Downloaded fastrand v2.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.198
[INFO] [stderr]   Downloaded serde v1.0.198
[INFO] [stderr]   Downloaded amq-protocol v1.4.0
[INFO] [stderr]   Downloaded built v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d076cc554f91feccd4a42e46a33b575ed0f947dd120da1121b8f36c5b9ddc333
[INFO] running `Command { std: "docker" "start" "-a" "d076cc554f91feccd4a42e46a33b575ed0f947dd120da1121b8f36c5b9ddc333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d076cc554f91feccd4a42e46a33b575ed0f947dd120da1121b8f36c5b9ddc333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d076cc554f91feccd4a42e46a33b575ed0f947dd120da1121b8f36c5b9ddc333", kill_on_drop: false }`
[INFO] [stdout] d076cc554f91feccd4a42e46a33b575ed0f947dd120da1121b8f36c5b9ddc333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f00ec4edb6053dd4c4b936892370c0be75d235a99963f34fee2d4fe39c0447
[INFO] running `Command { std: "docker" "start" "-a" "b6f00ec4edb6053dd4c4b936892370c0be75d235a99963f34fee2d4fe39c0447", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.3
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking input_buffer v0.5.0
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking amq-protocol-types v1.2.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.3
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]     Checking borsh v0.9.3
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling amiquip v0.4.2
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]     Checking crosstown_bus v0.5.3
[INFO] [stderr]     Checking subscriber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let now = time::Instant::now();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let now = time::Instant::now();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b6f00ec4edb6053dd4c4b936892370c0be75d235a99963f34fee2d4fe39c0447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f00ec4edb6053dd4c4b936892370c0be75d235a99963f34fee2d4fe39c0447", kill_on_drop: false }`
[INFO] [stdout] b6f00ec4edb6053dd4c4b936892370c0be75d235a99963f34fee2d4fe39c0447