[INFO] fetching crate distant-protocol 0.20.0...
[INFO] checking distant-protocol-0.20.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate distant-protocol 0.20.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate distant-protocol 0.20.0
[INFO] finished tweaking crates.io crate distant-protocol 0.20.0
[INFO] tweaked toml for crates.io crate distant-protocol 0.20.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate distant-protocol 0.20.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding const-str v0.5.7 (available: v0.6.2)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e5f6853f1dc1ee842619a6aa15245d3407ca82779894a6aed37de0d23ef92d
[INFO] running `Command { std: "docker" "start" "-a" "50e5f6853f1dc1ee842619a6aa15245d3407ca82779894a6aed37de0d23ef92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e5f6853f1dc1ee842619a6aa15245d3407ca82779894a6aed37de0d23ef92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e5f6853f1dc1ee842619a6aa15245d3407ca82779894a6aed37de0d23ef92d", kill_on_drop: false }`
[INFO] [stdout] 50e5f6853f1dc1ee842619a6aa15245d3407ca82779894a6aed37de0d23ef92d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e5b1b2d34069713e53885a411ab38b1eb92f623aef239a6ddfe439a5fb7ec9
[INFO] running `Command { std: "docker" "start" "-a" "c2e5b1b2d34069713e53885a411ab38b1eb92f623aef239a6ddfe439a5fb7ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking distant-protocol v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "c2e5b1b2d34069713e53885a411ab38b1eb92f623aef239a6ddfe439a5fb7ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e5b1b2d34069713e53885a411ab38b1eb92f623aef239a6ddfe439a5fb7ec9", kill_on_drop: false }`
[INFO] [stdout] c2e5b1b2d34069713e53885a411ab38b1eb92f623aef239a6ddfe439a5fb7ec9