[INFO] fetching crate sback 0.3.0...
[INFO] building sback-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sback 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sback 0.3.0
[INFO] finished tweaking crates.io crate sback 0.3.0
[INFO] tweaked toml for crates.io crate sback 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sback 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sback 0.3.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.19
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7574a3fd0c0dff02ace88349f096344999a09cd557517862daf892f38c3456
[INFO] running `Command { std: "docker" "start" "-a" "8d7574a3fd0c0dff02ace88349f096344999a09cd557517862daf892f38c3456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7574a3fd0c0dff02ace88349f096344999a09cd557517862daf892f38c3456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7574a3fd0c0dff02ace88349f096344999a09cd557517862daf892f38c3456", kill_on_drop: false }`
[INFO] [stdout] 8d7574a3fd0c0dff02ace88349f096344999a09cd557517862daf892f38c3456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bb4b4f7a26202b6ba458a18225deeb6bfce07ae3600aba661171d5fbd30057
[INFO] running `Command { std: "docker" "start" "-a" "c5bb4b4f7a26202b6ba458a18225deeb6bfce07ae3600aba661171d5fbd30057", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.19
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling xdg v2.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling sback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "c5bb4b4f7a26202b6ba458a18225deeb6bfce07ae3600aba661171d5fbd30057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bb4b4f7a26202b6ba458a18225deeb6bfce07ae3600aba661171d5fbd30057", kill_on_drop: false }`
[INFO] [stdout] c5bb4b4f7a26202b6ba458a18225deeb6bfce07ae3600aba661171d5fbd30057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b7ee3b653499e858dde672f38814718ed06a88d11dc7b297e119a0710655d0
[INFO] running `Command { std: "docker" "start" "-a" "30b7ee3b653499e858dde672f38814718ed06a88d11dc7b297e119a0710655d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "30b7ee3b653499e858dde672f38814718ed06a88d11dc7b297e119a0710655d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b7ee3b653499e858dde672f38814718ed06a88d11dc7b297e119a0710655d0", kill_on_drop: false }`
[INFO] [stdout] 30b7ee3b653499e858dde672f38814718ed06a88d11dc7b297e119a0710655d0