[INFO] fetching crate cargo-prepare 0.0.0...
[INFO] testing cargo-prepare-0.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cargo-prepare 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cargo-prepare 0.0.0
[INFO] finished tweaking crates.io crate cargo-prepare 0.0.0
[INFO] tweaked toml for crates.io crate cargo-prepare 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-prepare 0.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-prepare 0.0.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] [stderr]   Downloaded semver-parser v0.10.0
[INFO] [stderr]   Downloaded cargo_metadata v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a78a71693c8033b0b9f81bd772009a55f49914d15ee4f18ab964fdf59b082aa7
[INFO] running `Command { std: "docker" "start" "-a" "a78a71693c8033b0b9f81bd772009a55f49914d15ee4f18ab964fdf59b082aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a78a71693c8033b0b9f81bd772009a55f49914d15ee4f18ab964fdf59b082aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78a71693c8033b0b9f81bd772009a55f49914d15ee4f18ab964fdf59b082aa7", kill_on_drop: false }`
[INFO] [stdout] a78a71693c8033b0b9f81bd772009a55f49914d15ee4f18ab964fdf59b082aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c6b7598e0d19df1172a4a85063b8c9cba38646faacdc4337c8acb6ef840c8dd5
[INFO] running `Command { std: "docker" "start" "-a" "c6b7598e0d19df1172a4a85063b8c9cba38646faacdc4337c8acb6ef840c8dd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.10.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.1
[INFO] [stderr]    Compiling cargo-prepare v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `Command { std: "docker" "inspect" "c6b7598e0d19df1172a4a85063b8c9cba38646faacdc4337c8acb6ef840c8dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b7598e0d19df1172a4a85063b8c9cba38646faacdc4337c8acb6ef840c8dd5", kill_on_drop: false }`
[INFO] [stdout] c6b7598e0d19df1172a4a85063b8c9cba38646faacdc4337c8acb6ef840c8dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 470fe3f4969d6440f68edcbf2b18c949d303fe9ae207d83b0aa283c8cb56119c
[INFO] running `Command { std: "docker" "start" "-a" "470fe3f4969d6440f68edcbf2b18c949d303fe9ae207d83b0aa283c8cb56119c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-prepare v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "470fe3f4969d6440f68edcbf2b18c949d303fe9ae207d83b0aa283c8cb56119c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470fe3f4969d6440f68edcbf2b18c949d303fe9ae207d83b0aa283c8cb56119c", kill_on_drop: false }`
[INFO] [stdout] 470fe3f4969d6440f68edcbf2b18c949d303fe9ae207d83b0aa283c8cb56119c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4b4eba8eb9e1a4aa6750eddbd0a65bd199d2db5442ddfe6d4c87ebd3f1e16587
[INFO] running `Command { std: "docker" "start" "-a" "4b4eba8eb9e1a4aa6750eddbd0a65bd199d2db5442ddfe6d4c87ebd3f1e16587", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cargo_prepare-e048ad870d641e97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b4eba8eb9e1a4aa6750eddbd0a65bd199d2db5442ddfe6d4c87ebd3f1e16587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4eba8eb9e1a4aa6750eddbd0a65bd199d2db5442ddfe6d4c87ebd3f1e16587", kill_on_drop: false }`
[INFO] [stdout] 4b4eba8eb9e1a4aa6750eddbd0a65bd199d2db5442ddfe6d4c87ebd3f1e16587