[INFO] fetching crate fallback 0.1.3...
[INFO] testing fallback-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fallback 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fallback 0.1.3
[INFO] finished tweaking crates.io crate fallback 0.1.3
[INFO] tweaked toml for crates.io crate fallback 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fallback 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fallback-derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79531308958a2ef41cba173445332969e169f95b75b78d2ec87050c2098f4338
[INFO] running `Command { std: "docker" "start" "-a" "79531308958a2ef41cba173445332969e169f95b75b78d2ec87050c2098f4338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79531308958a2ef41cba173445332969e169f95b75b78d2ec87050c2098f4338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79531308958a2ef41cba173445332969e169f95b75b78d2ec87050c2098f4338", kill_on_drop: false }`
[INFO] [stdout] 79531308958a2ef41cba173445332969e169f95b75b78d2ec87050c2098f4338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b21fc5b0e2dcb69e1373f3901dd8d1d176e965268abaa578a2ec3d95230dd1d
[INFO] running `Command { std: "docker" "start" "-a" "6b21fc5b0e2dcb69e1373f3901dd8d1d176e965268abaa578a2ec3d95230dd1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallback-derive v0.1.2
[INFO] [stderr]    Compiling fallback v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "6b21fc5b0e2dcb69e1373f3901dd8d1d176e965268abaa578a2ec3d95230dd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b21fc5b0e2dcb69e1373f3901dd8d1d176e965268abaa578a2ec3d95230dd1d", kill_on_drop: false }`
[INFO] [stdout] 6b21fc5b0e2dcb69e1373f3901dd8d1d176e965268abaa578a2ec3d95230dd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05aacc1c88985dc6a7917df2cf27121426cf9987fc1b586e52d6edcc91aec2de
[INFO] running `Command { std: "docker" "start" "-a" "05aacc1c88985dc6a7917df2cf27121426cf9987fc1b586e52d6edcc91aec2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallback v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "05aacc1c88985dc6a7917df2cf27121426cf9987fc1b586e52d6edcc91aec2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05aacc1c88985dc6a7917df2cf27121426cf9987fc1b586e52d6edcc91aec2de", kill_on_drop: false }`
[INFO] [stdout] 05aacc1c88985dc6a7917df2cf27121426cf9987fc1b586e52d6edcc91aec2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad77f918d88d1cf990880ef8f3b111b9e15e0d5f6a5184f6d0c255d9d0b8d87b
[INFO] running `Command { std: "docker" "start" "-a" "ad77f918d88d1cf990880ef8f3b111b9e15e0d5f6a5184f6d0c255d9d0b8d87b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fallback-f3e82f978cfc22ce)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::empty ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::some ... ok
[INFO] [stdout] test test::option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-173b19f6806b038f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test derive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fallback
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - FallbackSpec (line 161) ... ok
[INFO] [stdout] test src/lib.rs - FallbackSpec (line 152) ... ok
[INFO] [stdout] test src/lib.rs - Fallback (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Fallback (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad77f918d88d1cf990880ef8f3b111b9e15e0d5f6a5184f6d0c255d9d0b8d87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad77f918d88d1cf990880ef8f3b111b9e15e0d5f6a5184f6d0c255d9d0b8d87b", kill_on_drop: false }`
[INFO] [stdout] ad77f918d88d1cf990880ef8f3b111b9e15e0d5f6a5184f6d0c255d9d0b8d87b