[INFO] fetching crate openssh-mux-client 0.17.6...
[INFO] checking openssh-mux-client-0.17.6 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate openssh-mux-client 0.17.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate openssh-mux-client 0.17.6 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openssh-mux-client 0.17.6
[INFO] finished tweaking crates.io crate openssh-mux-client 0.17.6
[INFO] tweaked toml for crates.io crate openssh-mux-client 0.17.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-pipe v0.2.12
[INFO] [stderr]   Downloaded sendfd v0.4.3
[INFO] [stderr]   Downloaded ssh_format v0.14.1
[INFO] [stderr]   Downloaded non-zero-byte-slice v0.1.0
[INFO] [stderr]   Downloaded openssh-mux-client-error v0.1.0
[INFO] [stderr]   Downloaded ssh_format_error v0.1.0
[INFO] [stderr]   Downloaded tokio-io-utility v0.7.6
[INFO] [stderr]   Downloaded typed-builder-macro v0.20.0
[INFO] [stderr]   Downloaded typed-builder v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22dab46951d6d031f8c85e13a4770ab2c6c77155cd64928b6b460cb43b3e77d1
[INFO] running `Command { std: "docker" "start" "-a" "22dab46951d6d031f8c85e13a4770ab2c6c77155cd64928b6b460cb43b3e77d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22dab46951d6d031f8c85e13a4770ab2c6c77155cd64928b6b460cb43b3e77d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22dab46951d6d031f8c85e13a4770ab2c6c77155cd64928b6b460cb43b3e77d1", kill_on_drop: false }`
[INFO] [stdout] 22dab46951d6d031f8c85e13a4770ab2c6c77155cd64928b6b460cb43b3e77d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4aca7bcbf6a70d03819edfb0a319a271aacc268bfc65dd70a6c32f68b9a4b78
[INFO] running `Command { std: "docker" "start" "-a" "e4aca7bcbf6a70d03819edfb0a319a271aacc268bfc65dd70a6c32f68b9a4b78", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling typed-builder-macro v0.20.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking typed-builder v0.20.0
[INFO] [stderr]     Checking serde v1.0.210
[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 openssh-mux-client-error v0.1.0
[INFO] [stderr]     Checking ssh_format v0.14.1
[INFO] [stderr]     Checking openssh-mux-client v0.17.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_string_lossy_and_as_bytes` is never used
[INFO] [stdout]    --> src/request.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait PathExt {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 208 |     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: method `to_string_lossy_and_as_bytes` is never used
[INFO] [stdout]    --> src/request.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait PathExt {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 208 |     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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `Command { std: "docker" "inspect" "e4aca7bcbf6a70d03819edfb0a319a271aacc268bfc65dd70a6c32f68b9a4b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4aca7bcbf6a70d03819edfb0a319a271aacc268bfc65dd70a6c32f68b9a4b78", kill_on_drop: false }`
[INFO] [stdout] e4aca7bcbf6a70d03819edfb0a319a271aacc268bfc65dd70a6c32f68b9a4b78