[INFO] cloning repository https://github.com/Ep0chalypse/IRCBot-MWE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ep0chalypse/IRCBot-MWE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEp0chalypse%2FIRCBot-MWE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEp0chalypse%2FIRCBot-MWE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e74adb8c395dc3ae9481431d27f6b2dbd186022
[INFO] checking Ep0chalypse/IRCBot-MWE/0e74adb8c395dc3ae9481431d27f6b2dbd186022 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEp0chalypse%2FIRCBot-MWE" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ep0chalypse/IRCBot-MWE on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ep0chalypse/IRCBot-MWE
[INFO] finished tweaking git repo https://github.com/Ep0chalypse/IRCBot-MWE
[INFO] tweaked toml for git repo https://github.com/Ep0chalypse/IRCBot-MWE written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ep0chalypse/IRCBot-MWE 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce937ca75f36d35a73712100063469acf7477773be627e2dfc1b450f2adfe17
[INFO] running `Command { std: "docker" "start" "-a" "1ce937ca75f36d35a73712100063469acf7477773be627e2dfc1b450f2adfe17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce937ca75f36d35a73712100063469acf7477773be627e2dfc1b450f2adfe17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce937ca75f36d35a73712100063469acf7477773be627e2dfc1b450f2adfe17", kill_on_drop: false }`
[INFO] [stdout] 1ce937ca75f36d35a73712100063469acf7477773be627e2dfc1b450f2adfe17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 888d0f1df4df753b4fa08fe59b82165293b5ef865212c4097c4bdbadaf4f3ec2
[INFO] running `Command { std: "docker" "start" "-a" "888d0f1df4df753b4fa08fe59b82165293b5ef865212c4097c4bdbadaf4f3ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking irc-proto v0.15.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking irc v0.15.0
[INFO] [stderr]     Checking ircbot_mwe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `help` is never used
[INFO] [stdout]  --> src/command.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Cmd {
[INFO] [stdout]   |           --- method in this trait
[INFO] [stdout] 4 |     fn command(&self) -> String;
[INFO] [stdout] 5 |     fn help(&self) -> String;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `help` is never used
[INFO] [stdout]  --> src/command.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Cmd {
[INFO] [stdout]   |           --- method in this trait
[INFO] [stdout] 4 |     fn command(&self) -> String;
[INFO] [stdout] 5 |     fn help(&self) -> String;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.76s
[INFO] running `Command { std: "docker" "inspect" "888d0f1df4df753b4fa08fe59b82165293b5ef865212c4097c4bdbadaf4f3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888d0f1df4df753b4fa08fe59b82165293b5ef865212c4097c4bdbadaf4f3ec2", kill_on_drop: false }`
[INFO] [stdout] 888d0f1df4df753b4fa08fe59b82165293b5ef865212c4097c4bdbadaf4f3ec2