[INFO] fetching crate openssh-mux-client 0.17.3... [INFO] checking openssh-mux-client-0.17.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate openssh-mux-client 0.17.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate openssh-mux-client 0.17.3 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 openssh-mux-client 0.17.3 [INFO] finished tweaking crates.io crate openssh-mux-client 0.17.3 [INFO] tweaked toml for crates.io crate openssh-mux-client 0.17.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Downloading crates ... [INFO] [stderr] Downloaded tokio-pipe v0.2.12 [INFO] [stderr] Downloaded non-zero-byte-slice v0.1.0 [INFO] [stderr] Downloaded ssh_format_error v0.1.0 [INFO] [stderr] Downloaded ssh_format v0.14.1 [INFO] [stderr] Downloaded openssh-mux-client-error v0.1.0 [INFO] [stderr] Downloaded sendfd v0.4.3 [INFO] [stderr] Downloaded tokio-io-utility v0.7.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5143af29b8e454f6521e86ab753abc59d6bfdd6a1b51e7fcfcbab0d5b2c81fdc [INFO] running `Command { std: "docker" "start" "-a" "5143af29b8e454f6521e86ab753abc59d6bfdd6a1b51e7fcfcbab0d5b2c81fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5143af29b8e454f6521e86ab753abc59d6bfdd6a1b51e7fcfcbab0d5b2c81fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5143af29b8e454f6521e86ab753abc59d6bfdd6a1b51e7fcfcbab0d5b2c81fdc", kill_on_drop: false }` [INFO] [stdout] 5143af29b8e454f6521e86ab753abc59d6bfdd6a1b51e7fcfcbab0d5b2c81fdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 78b7f723936ab57a8d704281a6973075067484c64b41bf7037392ac3d448b029 [INFO] running `Command { std: "docker" "start" "-a" "78b7f723936ab57a8d704281a6973075067484c64b41bf7037392ac3d448b029", kill_on_drop: false }` [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling typed-builder-macro v0.18.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking typed-builder v0.18.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking sendfd v0.4.3 [INFO] [stderr] Checking tokio-io-utility v0.7.6 [INFO] [stderr] Checking tokio-pipe v0.2.12 [INFO] [stderr] Checking ssh_format_error v0.1.0 [INFO] [stderr] Checking non-zero-byte-slice v0.1.0 [INFO] [stderr] Checking ssh_format v0.14.1 [INFO] [stderr] Checking openssh-mux-client-error v0.1.0 [INFO] [stderr] Checking openssh-mux-client v0.17.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/connection.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 515 | use super::*; [INFO] [stdout] | -------- the item `TryInto` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/connection.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 515 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 520 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string_lossy_and_as_bytes` is never used [INFO] [stdout] --> src/request.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 190 | trait PathExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn to_string_lossy_and_as_bytes(&self) -> Cow<'_, [u8]>; [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 `to_string_lossy_and_as_bytes` is never used [INFO] [stdout] --> src/request.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 190 | trait PathExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn to_string_lossy_and_as_bytes(&self) -> Cow<'_, [u8]>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.24s [INFO] running `Command { std: "docker" "inspect" "78b7f723936ab57a8d704281a6973075067484c64b41bf7037392ac3d448b029", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b7f723936ab57a8d704281a6973075067484c64b41bf7037392ac3d448b029", kill_on_drop: false }` [INFO] [stdout] 78b7f723936ab57a8d704281a6973075067484c64b41bf7037392ac3d448b029 [INFO] checking openssh-mux-client-0.17.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate openssh-mux-client 0.17.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate openssh-mux-client 0.17.3 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 openssh-mux-client 0.17.3 [INFO] finished tweaking crates.io crate openssh-mux-client 0.17.3 [INFO] tweaked toml for crates.io crate openssh-mux-client 0.17.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db374b83e57ae6dc7c63b6469e91bf2985f17a158578e0c5ab6d8bbe8a27913c [INFO] running `Command { std: "docker" "start" "-a" "db374b83e57ae6dc7c63b6469e91bf2985f17a158578e0c5ab6d8bbe8a27913c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db374b83e57ae6dc7c63b6469e91bf2985f17a158578e0c5ab6d8bbe8a27913c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db374b83e57ae6dc7c63b6469e91bf2985f17a158578e0c5ab6d8bbe8a27913c", kill_on_drop: false }` [INFO] [stdout] db374b83e57ae6dc7c63b6469e91bf2985f17a158578e0c5ab6d8bbe8a27913c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 278368750f3f42a5ecac35f799c14559da21dc37904e02edf4b1cf397710b143 [INFO] running `Command { std: "docker" "start" "-a" "278368750f3f42a5ecac35f799c14559da21dc37904e02edf4b1cf397710b143", kill_on_drop: false }` [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling typed-builder-macro v0.18.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking typed-builder v0.18.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking sendfd v0.4.3 [INFO] [stderr] Checking tokio-io-utility v0.7.6 [INFO] [stderr] Checking tokio-pipe v0.2.12 [INFO] [stderr] Checking ssh_format_error v0.1.0 [INFO] [stderr] Checking non-zero-byte-slice v0.1.0 [INFO] [stderr] Checking ssh_format v0.14.1 [INFO] [stderr] Checking openssh-mux-client-error v0.1.0 [INFO] [stderr] Checking openssh-mux-client v0.17.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/connection.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 515 | use super::*; [INFO] [stdout] | -------- the item `TryInto` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/connection.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 515 | use super::*; [INFO] [stdout] | -------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 520 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string_lossy_and_as_bytes` is never used [INFO] [stdout] --> src/request.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 190 | trait PathExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn to_string_lossy_and_as_bytes(&self) -> Cow<'_, [u8]>; [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 `to_string_lossy_and_as_bytes` is never used [INFO] [stdout] --> src/request.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 190 | trait PathExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn to_string_lossy_and_as_bytes(&self) -> Cow<'_, [u8]>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s [INFO] running `Command { std: "docker" "inspect" "278368750f3f42a5ecac35f799c14559da21dc37904e02edf4b1cf397710b143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "278368750f3f42a5ecac35f799c14559da21dc37904e02edf4b1cf397710b143", kill_on_drop: false }` [INFO] [stdout] 278368750f3f42a5ecac35f799c14559da21dc37904e02edf4b1cf397710b143