[INFO] fetching crate cargotool 0.0.1...
[INFO] testing cargotool-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cargotool 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cargotool 0.0.1
[INFO] finished tweaking crates.io crate cargotool 0.0.1
[INFO] tweaked toml for crates.io crate cargotool 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargotool 0.0.1 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 cargotool 0.0.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_util v0.6.15
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[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] 312b92576def87b36e2b1fe77930575a5a369b8fbc6675c4f06b5ee1d471a90e
[INFO] running `Command { std: "docker" "start" "-a" "312b92576def87b36e2b1fe77930575a5a369b8fbc6675c4f06b5ee1d471a90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "312b92576def87b36e2b1fe77930575a5a369b8fbc6675c4f06b5ee1d471a90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312b92576def87b36e2b1fe77930575a5a369b8fbc6675c4f06b5ee1d471a90e", kill_on_drop: false }`
[INFO] [stdout] 312b92576def87b36e2b1fe77930575a5a369b8fbc6675c4f06b5ee1d471a90e
[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] b6b04add8e165824b58ef6d9cdeb655ea9a2d93489640753c83222c4f15187e0
[INFO] running `Command { std: "docker" "start" "-a" "b6b04add8e165824b58ef6d9cdeb655ea9a2d93489640753c83222c4f15187e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rust_util v0.6.15
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling cargotool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CommandImpl` is never constructed
[INFO] [stdout]  --> src/cmd_test.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CommandImpl;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "b6b04add8e165824b58ef6d9cdeb655ea9a2d93489640753c83222c4f15187e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b04add8e165824b58ef6d9cdeb655ea9a2d93489640753c83222c4f15187e0", kill_on_drop: false }`
[INFO] [stdout] b6b04add8e165824b58ef6d9cdeb655ea9a2d93489640753c83222c4f15187e0
[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] 3ca22288d4079bedf3e36c66b0dbf3dfdf3e6b118ec5ba178ed35dc325aa58a0
[INFO] running `Command { std: "docker" "start" "-a" "3ca22288d4079bedf3e36c66b0dbf3dfdf3e6b118ec5ba178ed35dc325aa58a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargotool v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CommandImpl` is never constructed
[INFO] [stdout]  --> src/cmd_test.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CommandImpl;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3ca22288d4079bedf3e36c66b0dbf3dfdf3e6b118ec5ba178ed35dc325aa58a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca22288d4079bedf3e36c66b0dbf3dfdf3e6b118ec5ba178ed35dc325aa58a0", kill_on_drop: false }`
[INFO] [stdout] 3ca22288d4079bedf3e36c66b0dbf3dfdf3e6b118ec5ba178ed35dc325aa58a0
[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] 157d5a04f4eefa15a45c576019bda7ccf9f2fb33307654829bab8f6906a948c1
[INFO] running `Command { std: "docker" "start" "-a" "157d5a04f4eefa15a45c576019bda7ccf9f2fb33307654829bab8f6906a948c1", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CommandImpl` is never constructed
[INFO] [stderr]  --> src/cmd_test.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct CommandImpl;
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargotool` (bin "cargotool" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cargotool-773192f80b468cba)
[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" "157d5a04f4eefa15a45c576019bda7ccf9f2fb33307654829bab8f6906a948c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157d5a04f4eefa15a45c576019bda7ccf9f2fb33307654829bab8f6906a948c1", kill_on_drop: false }`
[INFO] [stdout] 157d5a04f4eefa15a45c576019bda7ccf9f2fb33307654829bab8f6906a948c1