[INFO] cloning repository https://github.com/sindreij/rust_irc_client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sindreij/rust_irc_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a7be4229324054918f6aaf217e78f4a674c508f [INFO] building sindreij/rust_irc_client against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sindreij/rust_irc_client on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sindreij/rust_irc_client [INFO] finished tweaking git repo https://github.com/sindreij/rust_irc_client [INFO] tweaked toml for git repo https://github.com/sindreij/rust_irc_client written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sindreij/rust_irc_client 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.8 [INFO] [stderr] Downloaded nom v1.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87f04f27bcd11e81586345557882c4695ba633c3cc149424600f8e41f9fec690 [INFO] running `Command { std: "docker" "start" "-a" "87f04f27bcd11e81586345557882c4695ba633c3cc149424600f8e41f9fec690", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87f04f27bcd11e81586345557882c4695ba633c3cc149424600f8e41f9fec690", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87f04f27bcd11e81586345557882c4695ba633c3cc149424600f8e41f9fec690", kill_on_drop: false }` [INFO] [stdout] 87f04f27bcd11e81586345557882c4695ba633c3cc149424600f8e41f9fec690 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b94af41ed7967a05c5b9693c206c216028d495fda8882887fd15ef6b9b2a8f5 [INFO] running `Command { std: "docker" "start" "-a" "2b94af41ed7967a05c5b9693c206c216028d495fda8882887fd15ef6b9b2a8f5", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.8 [INFO] [stderr] Compiling nom v1.2.2 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:78:15 [INFO] [stdout] | [INFO] [stdout] 78 | named!(prefix<&str>, map_res!(delimited!(char!(':'), is_not!(" "), char!(' ')), str::from_utf8)); [INFO] [stdout] | --------------^--------------------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | named!(command<&str>, map_res!(is_not!(" "), str::from_utf8)); [INFO] [stdout] | ---------------^--------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:81:24 [INFO] [stdout] | [INFO] [stdout] 81 | named!(parameters< Vec<&str> >, separated_list!(char!(' '), map_res!(parameter, str::from_utf8))); [INFO] [stdout] | -----------------------^------------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:83:16 [INFO] [stdout] | [INFO] [stdout] 83 | named!(mention<&str>, map_res!(terminated!(is_not!(": "), tag!(": ")), str::from_utf8)); [INFO] [stdout] | ---------------^----------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | named!(deserialize_text, chain!( [INFO] [stdout] | - ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | _| [INFO] [stdout] | | [INFO] [stdout] 106 | | m: mention? ~ [INFO] [stdout] 107 | | c: command ~ [INFO] [stdout] 108 | | char!(' ') ~ [INFO] [stdout] ... | [INFO] [stdout] 116 | | )); [INFO] [stdout] | |__- lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.2 [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" "2b94af41ed7967a05c5b9693c206c216028d495fda8882887fd15ef6b9b2a8f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b94af41ed7967a05c5b9693c206c216028d495fda8882887fd15ef6b9b2a8f5", kill_on_drop: false }` [INFO] [stdout] 2b94af41ed7967a05c5b9693c206c216028d495fda8882887fd15ef6b9b2a8f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9dc907d6c5430ab59885a5497e53891fae6433f63c4018ad381b1726047ab491 [INFO] running `Command { std: "docker" "start" "-a" "9dc907d6c5430ab59885a5497e53891fae6433f63c4018ad381b1726047ab491", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:78:15 [INFO] [stdout] | [INFO] [stdout] 78 | named!(prefix<&str>, map_res!(delimited!(char!(':'), is_not!(" "), char!(' ')), str::from_utf8)); [INFO] [stdout] | --------------^--------------------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | named!(command<&str>, map_res!(is_not!(" "), str::from_utf8)); [INFO] [stdout] | ---------------^--------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:81:24 [INFO] [stdout] | [INFO] [stdout] 81 | named!(parameters< Vec<&str> >, separated_list!(char!(' '), map_res!(parameter, str::from_utf8))); [INFO] [stdout] | -----------------------^------------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:83:16 [INFO] [stdout] | [INFO] [stdout] 83 | named!(mention<&str>, map_res!(terminated!(is_not!(": "), tag!(": ")), str::from_utf8)); [INFO] [stdout] | ---------------^----------------------------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this elided lifetime gets resolved as `'a` [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/main.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | named!(deserialize_text, chain!( [INFO] [stdout] | - ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | _| [INFO] [stdout] | | [INFO] [stdout] 106 | | m: mention? ~ [INFO] [stdout] 107 | | c: command ~ [INFO] [stdout] 108 | | char!(' ') ~ [INFO] [stdout] ... | [INFO] [stdout] 116 | | )); [INFO] [stdout] | |__- lifetime `'a` declared here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.2 [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" "9dc907d6c5430ab59885a5497e53891fae6433f63c4018ad381b1726047ab491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dc907d6c5430ab59885a5497e53891fae6433f63c4018ad381b1726047ab491", kill_on_drop: false }` [INFO] [stdout] 9dc907d6c5430ab59885a5497e53891fae6433f63c4018ad381b1726047ab491