[INFO] fetching crate interpol-impl 0.1.0...
[INFO] testing interpol-impl-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate interpol-impl 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate interpol-impl 0.1.0
[INFO] finished tweaking crates.io crate interpol-impl 0.1.0
[INFO] tweaked toml for crates.io crate interpol-impl 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate interpol-impl 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 183f826c47aef31dc58a3f5e1d0621b38a5757383a4871d5804a335528482ebe
[INFO] running `Command { std: "docker" "start" "-a" "183f826c47aef31dc58a3f5e1d0621b38a5757383a4871d5804a335528482ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "183f826c47aef31dc58a3f5e1d0621b38a5757383a4871d5804a335528482ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183f826c47aef31dc58a3f5e1d0621b38a5757383a4871d5804a335528482ebe", kill_on_drop: false }`
[INFO] [stdout] 183f826c47aef31dc58a3f5e1d0621b38a5757383a4871d5804a335528482ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 73a202d388daa4fe5f3980f41a0dcc32fd51b2004202d05bb87e32abddb4a8a4
[INFO] running `Command { std: "docker" "start" "-a" "73a202d388daa4fe5f3980f41a0dcc32fd51b2004202d05bb87e32abddb4a8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling interpol-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("incorrect occurence of `}`");
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("{}", "incorrect occurence of `}`");
[INFO] [stdout]    |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "73a202d388daa4fe5f3980f41a0dcc32fd51b2004202d05bb87e32abddb4a8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a202d388daa4fe5f3980f41a0dcc32fd51b2004202d05bb87e32abddb4a8a4", kill_on_drop: false }`
[INFO] [stdout] 73a202d388daa4fe5f3980f41a0dcc32fd51b2004202d05bb87e32abddb4a8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 372d40f47f14625e5b5b6f2c95ca8913311f484eeb096a58d5fc3b4eb27f6d07
[INFO] running `Command { std: "docker" "start" "-a" "372d40f47f14625e5b5b6f2c95ca8913311f484eeb096a58d5fc3b4eb27f6d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpol-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("incorrect occurence of `}`");
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("{}", "incorrect occurence of `}`");
[INFO] [stdout]    |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("incorrect occurence of `}`");
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 panic!("{}", "incorrect occurence of `}`");
[INFO] [stdout]    |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "372d40f47f14625e5b5b6f2c95ca8913311f484eeb096a58d5fc3b4eb27f6d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372d40f47f14625e5b5b6f2c95ca8913311f484eeb096a58d5fc3b4eb27f6d07", kill_on_drop: false }`
[INFO] [stdout] 372d40f47f14625e5b5b6f2c95ca8913311f484eeb096a58d5fc3b4eb27f6d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cbc2337890125d7d3655321e5d600a3d334c5f9c929cb4ed1965111aff916eed
[INFO] running `Command { std: "docker" "start" "-a" "cbc2337890125d7d3655321e5d600a3d334c5f9c929cb4ed1965111aff916eed", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains a brace
[INFO] [stderr]   --> src/lib.rs:41:49
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 panic!("incorrect occurence of `}`");
[INFO] [stderr]    |                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 panic!("{}", "incorrect occurence of `}`");
[INFO] [stderr]    |                        +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `interpol-impl` (lib) generated 1 warning (run `cargo fix --lib -p interpol-impl` to apply 1 suggestion)
[INFO] [stderr] warning: `interpol-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interpol_impl-f3d0935ed4ab1bb8)
[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] [stderr]    Doc-tests interpol_impl
[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" "cbc2337890125d7d3655321e5d600a3d334c5f9c929cb4ed1965111aff916eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc2337890125d7d3655321e5d600a3d334c5f9c929cb4ed1965111aff916eed", kill_on_drop: false }`
[INFO] [stdout] cbc2337890125d7d3655321e5d600a3d334c5f9c929cb4ed1965111aff916eed