[INFO] fetching crate knockknock 1.0.2... [INFO] checking knockknock-1.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate knockknock 1.0.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate knockknock 1.0.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate knockknock 1.0.2 [INFO] finished tweaking crates.io crate knockknock 1.0.2 [INFO] tweaked toml for crates.io crate knockknock 1.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate knockknock 1.0.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded os_str_bytes v4.2.0 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.5 [INFO] [stderr] Downloaded clap v3.0.0-beta.5 [INFO] [stderr] Downloaded zpinger v0.1.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73703a6302bb5db4b56f6aa3f0f65f7a47f7d22d76eb80a2e0f0194d690e0187 [INFO] running `Command { std: "docker" "start" "-a" "73703a6302bb5db4b56f6aa3f0f65f7a47f7d22d76eb80a2e0f0194d690e0187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73703a6302bb5db4b56f6aa3f0f65f7a47f7d22d76eb80a2e0f0194d690e0187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73703a6302bb5db4b56f6aa3f0f65f7a47f7d22d76eb80a2e0f0194d690e0187", kill_on_drop: false }` [INFO] [stdout] 73703a6302bb5db4b56f6aa3f0f65f7a47f7d22d76eb80a2e0f0194d690e0187 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1444f83b59725143ca94e94d47a5a03f749ff5dfcd637ccc14c31732e7b08b90 [INFO] running `Command { std: "docker" "start" "-a" "1444f83b59725143ca94e94d47a5a03f749ff5dfcd637ccc14c31732e7b08b90", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking zpinger v0.1.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking knockknock v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use clap; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zpinger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zpinger; [INFO] [stdout] | ^^^^^^^ the item `zpinger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from` [INFO] [stdout] --> src/main.rs:59:27 [INFO] [stdout] | [INFO] [stdout] 59 | let args = clap::App::from_yaml(yaml).get_matches(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use clap; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zpinger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zpinger; [INFO] [stdout] | ^^^^^^^ the item `zpinger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from` [INFO] [stdout] --> src/main.rs:59:27 [INFO] [stdout] | [INFO] [stdout] 59 | let args = clap::App::from_yaml(yaml).get_matches(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.88s [INFO] running `Command { std: "docker" "inspect" "1444f83b59725143ca94e94d47a5a03f749ff5dfcd637ccc14c31732e7b08b90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1444f83b59725143ca94e94d47a5a03f749ff5dfcd637ccc14c31732e7b08b90", kill_on_drop: false }` [INFO] [stdout] 1444f83b59725143ca94e94d47a5a03f749ff5dfcd637ccc14c31732e7b08b90 [INFO] checking knockknock-1.0.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate knockknock 1.0.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate knockknock 1.0.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate knockknock 1.0.2 [INFO] finished tweaking crates.io crate knockknock 1.0.2 [INFO] tweaked toml for crates.io crate knockknock 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate knockknock 1.0.2 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 853bb983520b7b0aa5eee44ef1c2e2bc8619b2ef0f848a9903172f9fe4f64a54 [INFO] running `Command { std: "docker" "start" "-a" "853bb983520b7b0aa5eee44ef1c2e2bc8619b2ef0f848a9903172f9fe4f64a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "853bb983520b7b0aa5eee44ef1c2e2bc8619b2ef0f848a9903172f9fe4f64a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "853bb983520b7b0aa5eee44ef1c2e2bc8619b2ef0f848a9903172f9fe4f64a54", kill_on_drop: false }` [INFO] [stdout] 853bb983520b7b0aa5eee44ef1c2e2bc8619b2ef0f848a9903172f9fe4f64a54 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 437952fe0899035940a523a68bb15c725841fc14174b0bc5ffb1aaa5cf3524bd [INFO] running `Command { std: "docker" "start" "-a" "437952fe0899035940a523a68bb15c725841fc14174b0bc5ffb1aaa5cf3524bd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking zpinger v0.1.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking knockknock v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use clap; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zpinger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zpinger; [INFO] [stdout] | ^^^^^^^ the item `zpinger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use clap; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `zpinger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zpinger; [INFO] [stdout] | ^^^^^^^ the item `zpinger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from` [INFO] [stdout] --> src/main.rs:59:27 [INFO] [stdout] | [INFO] [stdout] 59 | let args = clap::App::from_yaml(yaml).get_matches(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from` [INFO] [stdout] --> src/main.rs:59:27 [INFO] [stdout] | [INFO] [stdout] 59 | let args = clap::App::from_yaml(yaml).get_matches(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.39s [INFO] running `Command { std: "docker" "inspect" "437952fe0899035940a523a68bb15c725841fc14174b0bc5ffb1aaa5cf3524bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "437952fe0899035940a523a68bb15c725841fc14174b0bc5ffb1aaa5cf3524bd", kill_on_drop: false }` [INFO] [stdout] 437952fe0899035940a523a68bb15c725841fc14174b0bc5ffb1aaa5cf3524bd