[INFO] fetching crate arg_parse 0.3.0...
[INFO] checking arg_parse-0.3.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate arg_parse 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arg_parse 0.3.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_parse 0.3.0
[INFO] finished tweaking crates.io crate arg_parse 0.3.0
[INFO] tweaked toml for crates.io crate arg_parse 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate arg_parse 0.3.0 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 101fe0addda87385e0bdd0f60a1fad34fed0852564bd1ff60a24c2852ea4f3ba
[INFO] running `Command { std: "docker" "start" "-a" "101fe0addda87385e0bdd0f60a1fad34fed0852564bd1ff60a24c2852ea4f3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "101fe0addda87385e0bdd0f60a1fad34fed0852564bd1ff60a24c2852ea4f3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101fe0addda87385e0bdd0f60a1fad34fed0852564bd1ff60a24c2852ea4f3ba", kill_on_drop: false }`
[INFO] [stdout] 101fe0addda87385e0bdd0f60a1fad34fed0852564bd1ff60a24c2852ea4f3ba
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e84191df2dca77ab3da9e97a20bd78c7ea4eaa66eeaa7ec2c41c02a7caf29e
[INFO] running `Command { std: "docker" "start" "-a" "a4e84191df2dca77ab3da9e97a20bd78c7ea4eaa66eeaa7ec2c41c02a7caf29e", kill_on_drop: false }`
[INFO] [stderr]     Checking arg_parse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `check` is never used
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn check(){todo!()}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `check` is never used
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn check(){todo!()}
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "a4e84191df2dca77ab3da9e97a20bd78c7ea4eaa66eeaa7ec2c41c02a7caf29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e84191df2dca77ab3da9e97a20bd78c7ea4eaa66eeaa7ec2c41c02a7caf29e", kill_on_drop: false }`
[INFO] [stdout] a4e84191df2dca77ab3da9e97a20bd78c7ea4eaa66eeaa7ec2c41c02a7caf29e
[INFO] checking arg_parse-0.3.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate arg_parse 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate arg_parse 0.3.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_parse 0.3.0
[INFO] finished tweaking crates.io crate arg_parse 0.3.0
[INFO] tweaked toml for crates.io crate arg_parse 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate arg_parse 0.3.0 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939bd35bdd733fd721b9ad63c09d4a8b91bb9dba7dcd77c777bc8ea198fd1f9e
[INFO] running `Command { std: "docker" "start" "-a" "939bd35bdd733fd721b9ad63c09d4a8b91bb9dba7dcd77c777bc8ea198fd1f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939bd35bdd733fd721b9ad63c09d4a8b91bb9dba7dcd77c777bc8ea198fd1f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939bd35bdd733fd721b9ad63c09d4a8b91bb9dba7dcd77c777bc8ea198fd1f9e", kill_on_drop: false }`
[INFO] [stdout] 939bd35bdd733fd721b9ad63c09d4a8b91bb9dba7dcd77c777bc8ea198fd1f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543bcb39a3ada4751feca2947594da709a94488516062a5af661fe2f773ced39
[INFO] running `Command { std: "docker" "start" "-a" "543bcb39a3ada4751feca2947594da709a94488516062a5af661fe2f773ced39", kill_on_drop: false }`
[INFO] [stderr]     Checking arg_parse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `check` is never used
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn check(){todo!()}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `check` is never used
[INFO] [stdout]   --> src/parser.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn check(){todo!()}
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "543bcb39a3ada4751feca2947594da709a94488516062a5af661fe2f773ced39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543bcb39a3ada4751feca2947594da709a94488516062a5af661fe2f773ced39", kill_on_drop: false }`
[INFO] [stdout] 543bcb39a3ada4751feca2947594da709a94488516062a5af661fe2f773ced39
