[INFO] fetching crate arg_parse 0.3.0...
[INFO] checking arg_parse-0.3.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate arg_parse 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate arg_parse 0.3.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4d206d553e0f49f7d47ef11167b2dac60ec9c9bc26579a7e6c98d7a54245e4b
[INFO] running `Command { std: "docker" "start" "-a" "f4d206d553e0f49f7d47ef11167b2dac60ec9c9bc26579a7e6c98d7a54245e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d206d553e0f49f7d47ef11167b2dac60ec9c9bc26579a7e6c98d7a54245e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d206d553e0f49f7d47ef11167b2dac60ec9c9bc26579a7e6c98d7a54245e4b", kill_on_drop: false }`
[INFO] [stdout] f4d206d553e0f49f7d47ef11167b2dac60ec9c9bc26579a7e6c98d7a54245e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc4a9f224864dc4305563d858fb44740a242d084623a11df5cd0b5b311e7931
[INFO] running `Command { std: "docker" "start" "-a" "3dc4a9f224864dc4305563d858fb44740a242d084623a11df5cd0b5b311e7931", 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" "3dc4a9f224864dc4305563d858fb44740a242d084623a11df5cd0b5b311e7931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc4a9f224864dc4305563d858fb44740a242d084623a11df5cd0b5b311e7931", kill_on_drop: false }`
[INFO] [stdout] 3dc4a9f224864dc4305563d858fb44740a242d084623a11df5cd0b5b311e7931
[INFO] checking arg_parse-0.3.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate arg_parse 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate arg_parse 0.3.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 702cea7278e06c50dbc2b3780a6188832e6346f8aa506b7976ec80fa56b7568f
[INFO] running `Command { std: "docker" "start" "-a" "702cea7278e06c50dbc2b3780a6188832e6346f8aa506b7976ec80fa56b7568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702cea7278e06c50dbc2b3780a6188832e6346f8aa506b7976ec80fa56b7568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702cea7278e06c50dbc2b3780a6188832e6346f8aa506b7976ec80fa56b7568f", kill_on_drop: false }`
[INFO] [stdout] 702cea7278e06c50dbc2b3780a6188832e6346f8aa506b7976ec80fa56b7568f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbe3d31b99e8a76841268a21bc13e59bf541a872653be07b32f0896531a89520
[INFO] running `Command { std: "docker" "start" "-a" "fbe3d31b99e8a76841268a21bc13e59bf541a872653be07b32f0896531a89520", 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 0.13s
[INFO] running `Command { std: "docker" "inspect" "fbe3d31b99e8a76841268a21bc13e59bf541a872653be07b32f0896531a89520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe3d31b99e8a76841268a21bc13e59bf541a872653be07b32f0896531a89520", kill_on_drop: false }`
[INFO] [stdout] fbe3d31b99e8a76841268a21bc13e59bf541a872653be07b32f0896531a89520
