[INFO] fetching crate rscan 0.2.1... [INFO] checking rscan-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rscan 0.2.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate rscan 0.2.1 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 rscan 0.2.1 [INFO] finished tweaking crates.io crate rscan 0.2.1 [INFO] tweaked toml for crates.io crate rscan 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate rscan 0.2.1 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 pnet_macros_support v0.31.0 [INFO] [stderr] Downloaded pnet_transport v0.31.0 [INFO] [stderr] Downloaded pnet_macros v0.31.0 [INFO] [stderr] Downloaded no-std-net v0.6.0 [INFO] [stderr] Downloaded pnet_base v0.31.0 [INFO] [stderr] Downloaded ipnetwork v0.19.0 [INFO] [stderr] Downloaded pnet v0.31.0 [INFO] [stderr] Downloaded serde v1.0.140 [INFO] [stderr] Downloaded pnet_datalink v0.31.0 [INFO] [stderr] Downloaded unicode-ident v1.0.2 [INFO] [stderr] Downloaded pnet_packet v0.31.0 [INFO] [stderr] Downloaded pnet_sys v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3efafe89f154d7bcdad9a6ed17b7b4137d7053a3595d724833f270e71fd7568d [INFO] running `Command { std: "docker" "start" "-a" "3efafe89f154d7bcdad9a6ed17b7b4137d7053a3595d724833f270e71fd7568d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3efafe89f154d7bcdad9a6ed17b7b4137d7053a3595d724833f270e71fd7568d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3efafe89f154d7bcdad9a6ed17b7b4137d7053a3595d724833f270e71fd7568d", kill_on_drop: false }` [INFO] [stdout] 3efafe89f154d7bcdad9a6ed17b7b4137d7053a3595d724833f270e71fd7568d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3183365162d22740d33f75daefba774ef129648e2fb93be82c2297a107b0100a [INFO] running `Command { std: "docker" "start" "-a" "3183365162d22740d33f75daefba774ef129648e2fb93be82c2297a107b0100a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Checking pnet_base v0.31.0 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Checking pnet_macros_support v0.31.0 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Checking ipnetwork v0.19.0 [INFO] [stderr] Checking pnet_datalink v0.31.0 [INFO] [stderr] Compiling pnet_macros v0.31.0 [INFO] [stderr] Checking pnet_packet v0.31.0 [INFO] [stderr] Checking pnet_transport v0.31.0 [INFO] [stderr] Checking rscan v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` 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 `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` 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 `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.81s [INFO] running `Command { std: "docker" "inspect" "3183365162d22740d33f75daefba774ef129648e2fb93be82c2297a107b0100a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3183365162d22740d33f75daefba774ef129648e2fb93be82c2297a107b0100a", kill_on_drop: false }` [INFO] [stdout] 3183365162d22740d33f75daefba774ef129648e2fb93be82c2297a107b0100a [INFO] checking rscan-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate rscan 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate rscan 0.2.1 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 rscan 0.2.1 [INFO] finished tweaking crates.io crate rscan 0.2.1 [INFO] tweaked toml for crates.io crate rscan 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate rscan 0.2.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 982a1ca8f85fb3d3e735292fc3d2fc3d22191762831d688dec9ac21f999921d4 [INFO] running `Command { std: "docker" "start" "-a" "982a1ca8f85fb3d3e735292fc3d2fc3d22191762831d688dec9ac21f999921d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "982a1ca8f85fb3d3e735292fc3d2fc3d22191762831d688dec9ac21f999921d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "982a1ca8f85fb3d3e735292fc3d2fc3d22191762831d688dec9ac21f999921d4", kill_on_drop: false }` [INFO] [stdout] 982a1ca8f85fb3d3e735292fc3d2fc3d22191762831d688dec9ac21f999921d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 504647185b64b82db864ef3d5325f4756b4215070456e3d9f5526ff28fabb98a [INFO] running `Command { std: "docker" "start" "-a" "504647185b64b82db864ef3d5325f4756b4215070456e3d9f5526ff28fabb98a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Checking pnet_base v0.31.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Checking pnet_macros_support v0.31.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Checking ipnetwork v0.19.0 [INFO] [stderr] Checking pnet_datalink v0.31.0 [INFO] [stderr] Compiling pnet_macros v0.31.0 [INFO] [stderr] Checking pnet_packet v0.31.0 [INFO] [stderr] Checking pnet_transport v0.31.0 [INFO] [stderr] Checking rscan v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` 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 `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use pnet; [INFO] [stdout] | ^^^^ the item `pnet` 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 `pnet_datalink` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use pnet_datalink; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `pnet_datalink` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pnet_transport` is imported redundantly [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pnet_transport::{self, icmp_packet_iter}; [INFO] [stdout] | ^^^^ the item `pnet_transport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.76s [INFO] running `Command { std: "docker" "inspect" "504647185b64b82db864ef3d5325f4756b4215070456e3d9f5526ff28fabb98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "504647185b64b82db864ef3d5325f4756b4215070456e3d9f5526ff28fabb98a", kill_on_drop: false }` [INFO] [stdout] 504647185b64b82db864ef3d5325f4756b4215070456e3d9f5526ff28fabb98a