[INFO] fetching crate cite 0.3.0...
[INFO] testing cite-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cite 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cite 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cite 0.3.0
[INFO] finished tweaking crates.io crate cite 0.3.0
[INFO] tweaked toml for crates.io crate cite 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded arguments v0.6.2
[INFO] [stderr]   Downloaded options v0.5.1
[INFO] [stderr]   Downloaded temporary v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb8611f256fb4f416ca2cc539c559fcef1d13009d162c207dae04349b700340d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb8611f256fb4f416ca2cc539c559fcef1d13009d162c207dae04349b700340d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8611f256fb4f416ca2cc539c559fcef1d13009d162c207dae04349b700340d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8611f256fb4f416ca2cc539c559fcef1d13009d162c207dae04349b700340d", kill_on_drop: false }`
[INFO] [stdout] eb8611f256fb4f416ca2cc539c559fcef1d13009d162c207dae04349b700340d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2a800eff4cec3147143fa7afbb196463615b34e58599254819f48eb9e0b62b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2a800eff4cec3147143fa7afbb196463615b34e58599254819f48eb9e0b62b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling arguments v0.6.2
[INFO] [stderr]    Compiling temporary v0.6.3
[INFO] [stderr]    Compiling cite v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub type Error = Box<Display>;
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             try!(create_bibliography(&path));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         _ => try!(find_reference(&bibliography)),
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "b2a800eff4cec3147143fa7afbb196463615b34e58599254819f48eb9e0b62b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a800eff4cec3147143fa7afbb196463615b34e58599254819f48eb9e0b62b0", kill_on_drop: false }`
[INFO] [stdout] b2a800eff4cec3147143fa7afbb196463615b34e58599254819f48eb9e0b62b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91c64cdd659764b2e54809b7776dd7b3a31f3a95387b9c5ac93ad1ae7549113b
[INFO] running `Command { std: "docker" "start" "-a" "91c64cdd659764b2e54809b7776dd7b3a31f3a95387b9c5ac93ad1ae7549113b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "91c64cdd659764b2e54809b7776dd7b3a31f3a95387b9c5ac93ad1ae7549113b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c64cdd659764b2e54809b7776dd7b3a31f3a95387b9c5ac93ad1ae7549113b", kill_on_drop: false }`
[INFO] [stdout] 91c64cdd659764b2e54809b7776dd7b3a31f3a95387b9c5ac93ad1ae7549113b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9684f8d3e29854fb04282b6765a0ec60bd70b6d2ff7ef0729f9a9577ae12833
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9684f8d3e29854fb04282b6765a0ec60bd70b6d2ff7ef0729f9a9577ae12833", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "f9684f8d3e29854fb04282b6765a0ec60bd70b6d2ff7ef0729f9a9577ae12833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9684f8d3e29854fb04282b6765a0ec60bd70b6d2ff7ef0729f9a9577ae12833", kill_on_drop: false }`
[INFO] [stdout] f9684f8d3e29854fb04282b6765a0ec60bd70b6d2ff7ef0729f9a9577ae12833