[INFO] fetching crate residua-mutf8 0.5.0...
[INFO] testing residua-mutf8-0.5.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate residua-mutf8 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate residua-mutf8 0.5.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate residua-mutf8 0.5.0
[INFO] finished tweaking crates.io crate residua-mutf8 0.5.0
[INFO] tweaked toml for crates.io crate residua-mutf8 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 218c9c0fc9b7a3b561fc2c4ba8145153301b3dc98d79555dd8f99b6e43284d0b
[INFO] running `Command { std: "docker" "start" "-a" "218c9c0fc9b7a3b561fc2c4ba8145153301b3dc98d79555dd8f99b6e43284d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218c9c0fc9b7a3b561fc2c4ba8145153301b3dc98d79555dd8f99b6e43284d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218c9c0fc9b7a3b561fc2c4ba8145153301b3dc98d79555dd8f99b6e43284d0b", kill_on_drop: false }`
[INFO] [stdout] 218c9c0fc9b7a3b561fc2c4ba8145153301b3dc98d79555dd8f99b6e43284d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09e37dcd84f7c4803f473076e6e0edee1fd738ce0600962dad1d3236efa4624
[INFO] running `Command { std: "docker" "start" "-a" "f09e37dcd84f7c4803f473076e6e0edee1fd738ce0600962dad1d3236efa4624", kill_on_drop: false }`
[INFO] [stderr]    Compiling residua-cesu8 v0.6.0
[INFO] [stderr]    Compiling residua-mutf8 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f09e37dcd84f7c4803f473076e6e0edee1fd738ce0600962dad1d3236efa4624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09e37dcd84f7c4803f473076e6e0edee1fd738ce0600962dad1d3236efa4624", kill_on_drop: false }`
[INFO] [stdout] f09e37dcd84f7c4803f473076e6e0edee1fd738ce0600962dad1d3236efa4624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2030bf6090ae9a28516b1cfc3579f58ff15b3aa5f3e9bf76a99ece5a522c4e
[INFO] running `Command { std: "docker" "start" "-a" "9f2030bf6090ae9a28516b1cfc3579f58ff15b3aa5f3e9bf76a99ece5a522c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling residua-mutf8 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9f2030bf6090ae9a28516b1cfc3579f58ff15b3aa5f3e9bf76a99ece5a522c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2030bf6090ae9a28516b1cfc3579f58ff15b3aa5f3e9bf76a99ece5a522c4e", kill_on_drop: false }`
[INFO] [stdout] 9f2030bf6090ae9a28516b1cfc3579f58ff15b3aa5f3e9bf76a99ece5a522c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc3005d53705324a981d4828896178d78973ef7028700022b2af039c5ad3e175
[INFO] running `Command { std: "docker" "start" "-a" "cc3005d53705324a981d4828896178d78973ef7028700022b2af039c5ad3e175", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutf8-c4063cec6892f7dd)
[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 mutf8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - from_mutf8 (line 55) ... ok
[INFO] [stdout] test src/lib.rs - is_valid_mutf8 (line 188) ... ok
[INFO] [stdout] test src/lib.rs - to_mutf8 (line 122) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc3005d53705324a981d4828896178d78973ef7028700022b2af039c5ad3e175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3005d53705324a981d4828896178d78973ef7028700022b2af039c5ad3e175", kill_on_drop: false }`
[INFO] [stdout] cc3005d53705324a981d4828896178d78973ef7028700022b2af039c5ad3e175