[INFO] fetching crate four-char-code 2.3.0...
[INFO] testing four-char-code-2.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate four-char-code 2.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate four-char-code 2.3.0
[INFO] finished tweaking crates.io crate four-char-code 2.3.0
[INFO] tweaked toml for crates.io crate four-char-code 2.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate four-char-code 2.3.0 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 four-char-code 2.3.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc1eb9d5a7eafde9c7e270afa048c0a2caf910497f7bdf0102eb673e2417ba2
[INFO] running `Command { std: "docker" "start" "-a" "4cc1eb9d5a7eafde9c7e270afa048c0a2caf910497f7bdf0102eb673e2417ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc1eb9d5a7eafde9c7e270afa048c0a2caf910497f7bdf0102eb673e2417ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc1eb9d5a7eafde9c7e270afa048c0a2caf910497f7bdf0102eb673e2417ba2", kill_on_drop: false }`
[INFO] [stdout] 4cc1eb9d5a7eafde9c7e270afa048c0a2caf910497f7bdf0102eb673e2417ba2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ca7b1ed1df0622c70f2b44865931f1a68480c97a3a596c2ec97425d8800685c8
[INFO] running `Command { std: "docker" "start" "-a" "ca7b1ed1df0622c70f2b44865931f1a68480c97a3a596c2ec97425d8800685c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ca7b1ed1df0622c70f2b44865931f1a68480c97a3a596c2ec97425d8800685c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7b1ed1df0622c70f2b44865931f1a68480c97a3a596c2ec97425d8800685c8", kill_on_drop: false }`
[INFO] [stdout] ca7b1ed1df0622c70f2b44865931f1a68480c97a3a596c2ec97425d8800685c8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/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] 2fa3565a24a63a2f03dffbbdb7738a7a25f12f1668d87ea8a54daf6eacb7c09a
[INFO] running `Command { std: "docker" "start" "-a" "2fa3565a24a63a2f03dffbbdb7738a7a25f12f1668d87ea8a54daf6eacb7c09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "2fa3565a24a63a2f03dffbbdb7738a7a25f12f1668d87ea8a54daf6eacb7c09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa3565a24a63a2f03dffbbdb7738a7a25f12f1668d87ea8a54daf6eacb7c09a", kill_on_drop: false }`
[INFO] [stdout] 2fa3565a24a63a2f03dffbbdb7738a7a25f12f1668d87ea8a54daf6eacb7c09a
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 34339bec633186163a59cd53fbbe1d076cffb236f1d3925faf93febc93df0dc7
[INFO] running `Command { std: "docker" "start" "-a" "34339bec633186163a59cd53fbbe1d076cffb236f1d3925faf93febc93df0dc7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/four_char_code-5da875b8054455a5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::invalid ... ok
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34339bec633186163a59cd53fbbe1d076cffb236f1d3925faf93febc93df0dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34339bec633186163a59cd53fbbe1d076cffb236f1d3925faf93febc93df0dc7", kill_on_drop: false }`
[INFO] [stdout] 34339bec633186163a59cd53fbbe1d076cffb236f1d3925faf93febc93df0dc7