[INFO] fetching crate uppercut 0.4.0... [INFO] building uppercut-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate uppercut 0.4.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate uppercut 0.4.0 [INFO] finished tweaking crates.io crate uppercut 0.4.0 [INFO] tweaked toml for crates.io crate uppercut 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate uppercut 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate uppercut 0.4.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded get_if_addrs v0.5.3 [INFO] [stderr] Downloaded env_logger v0.8.4 [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded get_if_addrs-sys v0.1.1 [INFO] [stderr] Downloaded mio v0.8.3 [INFO] [stderr] Downloaded bytes v1.1.0 [INFO] [stderr] Downloaded crossbeam-channel v0.5.4 [INFO] [stderr] Downloaded c_linked_list v1.1.1 [INFO] [stderr] Downloaded core_affinity v0.5.10 [INFO] [stderr] Downloaded regex v1.5.6 [INFO] [stderr] Downloaded gcc v0.3.55 [INFO] [stderr] Downloaded libc v0.2.126 [INFO] [stderr] Downloaded regex-syntax v0.6.26 [INFO] [stderr] Downloaded parsed v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c01c48c64d2f2b3ef6812e9ba1bda577454a4afaa21a9c81b2f7e62194d2bfb [INFO] running `Command { std: "docker" "start" "-a" "3c01c48c64d2f2b3ef6812e9ba1bda577454a4afaa21a9c81b2f7e62194d2bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c01c48c64d2f2b3ef6812e9ba1bda577454a4afaa21a9c81b2f7e62194d2bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c01c48c64d2f2b3ef6812e9ba1bda577454a4afaa21a9c81b2f7e62194d2bfb", kill_on_drop: false }` [INFO] [stdout] 3c01c48c64d2f2b3ef6812e9ba1bda577454a4afaa21a9c81b2f7e62194d2bfb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e17a88bc49646a28c5c5b523eaedc2b8c0448e83b83dad5e6eb6f05c5c3014d [INFO] running `Command { std: "docker" "start" "-a" "1e17a88bc49646a28c5c5b523eaedc2b8c0448e83b83dad5e6eb6f05c5c3014d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parsed v0.3.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.8.3 [INFO] [stderr] Compiling core_affinity v0.5.10 [INFO] [stderr] Compiling uppercut v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s [INFO] running `Command { std: "docker" "inspect" "1e17a88bc49646a28c5c5b523eaedc2b8c0448e83b83dad5e6eb6f05c5c3014d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e17a88bc49646a28c5c5b523eaedc2b8c0448e83b83dad5e6eb6f05c5c3014d", kill_on_drop: false }` [INFO] [stdout] 1e17a88bc49646a28c5c5b523eaedc2b8c0448e83b83dad5e6eb6f05c5c3014d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa3fcab8b37bdd332517b369e08879eff5147ffac7a08ca4196d4761df18fd55 [INFO] running `Command { std: "docker" "start" "-a" "fa3fcab8b37bdd332517b369e08879eff5147ffac7a08ca4196d4761df18fd55", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling uppercut v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | New(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - New(String), [INFO] [stdout] 52 + New(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Out(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 53 - Out(String), [INFO] [stdout] 53 + Out(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 15.95s [INFO] running `Command { std: "docker" "inspect" "fa3fcab8b37bdd332517b369e08879eff5147ffac7a08ca4196d4761df18fd55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa3fcab8b37bdd332517b369e08879eff5147ffac7a08ca4196d4761df18fd55", kill_on_drop: false }` [INFO] [stdout] fa3fcab8b37bdd332517b369e08879eff5147ffac7a08ca4196d4761df18fd55