[INFO] fetching crate composition 0.1.0...
[INFO] testing composition-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 composition 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate composition 0.1.0
[INFO] finished tweaking crates.io crate composition 0.1.0
[INFO] tweaked toml for crates.io crate composition 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate composition 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] crate crates.io crate composition 0.1.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded once_cell v1.7.0
[INFO] [stderr]   Downloaded radix64 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b216aa944fae816f675afdbf96665632c305ec2383d1c12a3b32e3e5dc03dc88
[INFO] running `Command { std: "docker" "start" "-a" "b216aa944fae816f675afdbf96665632c305ec2383d1c12a3b32e3e5dc03dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b216aa944fae816f675afdbf96665632c305ec2383d1c12a3b32e3e5dc03dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b216aa944fae816f675afdbf96665632c305ec2383d1c12a3b32e3e5dc03dc88", kill_on_drop: false }`
[INFO] [stdout] b216aa944fae816f675afdbf96665632c305ec2383d1c12a3b32e3e5dc03dc88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 801856e37d79bc70befdfb86ce488a941ba4f0e684ab2407aa2867a0481860a7
[INFO] running `Command { std: "docker" "start" "-a" "801856e37d79bc70befdfb86ce488a941ba4f0e684ab2407aa2867a0481860a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling radix64 v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `position`, `display_name`, and `connection` are never read
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     connection: NetworkClient,
[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 20.77s
[INFO] running `Command { std: "docker" "inspect" "801856e37d79bc70befdfb86ce488a941ba4f0e684ab2407aa2867a0481860a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801856e37d79bc70befdfb86ce488a941ba4f0e684ab2407aa2867a0481860a7", kill_on_drop: false }`
[INFO] [stdout] 801856e37d79bc70befdfb86ce488a941ba4f0e684ab2407aa2867a0481860a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0284a5c42ad42e217ab3e39a51d2c08402cd97756fcfb0c6ab546152e47d7527
[INFO] running `Command { std: "docker" "start" "-a" "0284a5c42ad42e217ab3e39a51d2c08402cd97756fcfb0c6ab546152e47d7527", kill_on_drop: false }`
[INFO] [stdout] warning: fields `position`, `display_name`, and `connection` are never read
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     connection: NetworkClient,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `position`, `display_name`, and `connection` are never read
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 7 |     connection: NetworkClient,
[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 1.52s
[INFO] running `Command { std: "docker" "inspect" "0284a5c42ad42e217ab3e39a51d2c08402cd97756fcfb0c6ab546152e47d7527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0284a5c42ad42e217ab3e39a51d2c08402cd97756fcfb0c6ab546152e47d7527", kill_on_drop: false }`
[INFO] [stdout] 0284a5c42ad42e217ab3e39a51d2c08402cd97756fcfb0c6ab546152e47d7527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 348dc038f6c2c3bc7596b4a36abda27c32e353325cfb4a5e277a4c5160e4e2de
[INFO] running `Command { std: "docker" "start" "-a" "348dc038f6c2c3bc7596b4a36abda27c32e353325cfb4a5e277a4c5160e4e2de", kill_on_drop: false }`
[INFO] [stderr] warning: fields `position`, `display_name`, and `connection` are never read
[INFO] [stderr]  --> src/entity/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Player {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] 5 |     position: Location,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 6 |     display_name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 7 |     connection: NetworkClient,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `composition` (lib) generated 1 warning
[INFO] [stderr] warning: `composition` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/composition-8d492273bfb5b868)
[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]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/composition-1e3c76f23de29ad1)
[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" "348dc038f6c2c3bc7596b4a36abda27c32e353325cfb4a5e277a4c5160e4e2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348dc038f6c2c3bc7596b4a36abda27c32e353325cfb4a5e277a4c5160e4e2de", kill_on_drop: false }`
[INFO] [stdout] 348dc038f6c2c3bc7596b4a36abda27c32e353325cfb4a5e277a4c5160e4e2de