[INFO] fetching crate mnemosyne 0.3.0...
[INFO] testing mnemosyne-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mnemosyne 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mnemosyne 0.3.0
[INFO] finished tweaking crates.io crate mnemosyne 0.3.0
[INFO] tweaked toml for crates.io crate mnemosyne 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mnemosyne 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.29.0 (available: v0.30.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84bef9093a188f019b0f52072e5843537b94a8ef6fa7eca4be4f454a092d972
[INFO] running `Command { std: "docker" "start" "-a" "f84bef9093a188f019b0f52072e5843537b94a8ef6fa7eca4be4f454a092d972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84bef9093a188f019b0f52072e5843537b94a8ef6fa7eca4be4f454a092d972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84bef9093a188f019b0f52072e5843537b94a8ef6fa7eca4be4f454a092d972", kill_on_drop: false }`
[INFO] [stdout] f84bef9093a188f019b0f52072e5843537b94a8ef6fa7eca4be4f454a092d972
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1422db276debe9d26a81905fbd0c2a65e9d5112e9c873d84d2b9c44d4ebc90
[INFO] running `Command { std: "docker" "start" "-a" "ce1422db276debe9d26a81905fbd0c2a65e9d5112e9c873d84d2b9c44d4ebc90", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnemosyne v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "ce1422db276debe9d26a81905fbd0c2a65e9d5112e9c873d84d2b9c44d4ebc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1422db276debe9d26a81905fbd0c2a65e9d5112e9c873d84d2b9c44d4ebc90", kill_on_drop: false }`
[INFO] [stdout] ce1422db276debe9d26a81905fbd0c2a65e9d5112e9c873d84d2b9c44d4ebc90
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c57aa878e70b6d451a11268792e74c587c35a6a2fa3ceea0c0a670dc91ac70
[INFO] running `Command { std: "docker" "start" "-a" "39c57aa878e70b6d451a11268792e74c587c35a6a2fa3ceea0c0a670dc91ac70", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnemosyne v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "39c57aa878e70b6d451a11268792e74c587c35a6a2fa3ceea0c0a670dc91ac70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c57aa878e70b6d451a11268792e74c587c35a6a2fa3ceea0c0a670dc91ac70", kill_on_drop: false }`
[INFO] [stdout] 39c57aa878e70b6d451a11268792e74c587c35a6a2fa3ceea0c0a670dc91ac70
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd82ae0a7bf086c49f0b3f15a8234e6fb8be3eb61d456848a44a6c352b8a5c62
[INFO] running `Command { std: "docker" "start" "-a" "cd82ae0a7bf086c49f0b3f15a8234e6fb8be3eb61d456848a44a6c352b8a5c62", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnemosyne-23489e28963463bb)
[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 mnemosyne
[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" "cd82ae0a7bf086c49f0b3f15a8234e6fb8be3eb61d456848a44a6c352b8a5c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd82ae0a7bf086c49f0b3f15a8234e6fb8be3eb61d456848a44a6c352b8a5c62", kill_on_drop: false }`
[INFO] [stdout] cd82ae0a7bf086c49f0b3f15a8234e6fb8be3eb61d456848a44a6c352b8a5c62