[INFO] fetching crate cite 0.3.0...
[INFO] testing cite-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cite 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cite 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 9d11cca2dce00a498fc6ff24adb9e3b16baf86b6fb153466cdad58cd23c8b42c
[INFO] running `Command { std: "docker" "start" "-a" "9d11cca2dce00a498fc6ff24adb9e3b16baf86b6fb153466cdad58cd23c8b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d11cca2dce00a498fc6ff24adb9e3b16baf86b6fb153466cdad58cd23c8b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d11cca2dce00a498fc6ff24adb9e3b16baf86b6fb153466cdad58cd23c8b42c", kill_on_drop: false }`
[INFO] [stdout] 9d11cca2dce00a498fc6ff24adb9e3b16baf86b6fb153466cdad58cd23c8b42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551346e77667b6b8231c9b96227cfbef320978a5c718596b41565ddea28990df
[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" "551346e77667b6b8231c9b96227cfbef320978a5c718596b41565ddea28990df", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling temporary v0.6.3
[INFO] [stderr]    Compiling arguments v0.6.2
[INFO] [stderr]    Compiling cite v0.3.0 (/opt/rustwide/workdir)
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "551346e77667b6b8231c9b96227cfbef320978a5c718596b41565ddea28990df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551346e77667b6b8231c9b96227cfbef320978a5c718596b41565ddea28990df", kill_on_drop: false }`
[INFO] [stdout] 551346e77667b6b8231c9b96227cfbef320978a5c718596b41565ddea28990df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "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] 0551c9919c25d7c4d4708b26a1e1a5fd83d72469bbe53813c36e0c859b88ecf3
[INFO] running `Command { std: "docker" "start" "-a" "0551c9919c25d7c4d4708b26a1e1a5fd83d72469bbe53813c36e0c859b88ecf3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "0551c9919c25d7c4d4708b26a1e1a5fd83d72469bbe53813c36e0c859b88ecf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0551c9919c25d7c4d4708b26a1e1a5fd83d72469bbe53813c36e0c859b88ecf3", kill_on_drop: false }`
[INFO] [stdout] 0551c9919c25d7c4d4708b26a1e1a5fd83d72469bbe53813c36e0c859b88ecf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", 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] 796075b369b8d0106c19c66558ccbf9dbc11a7c09fce4ea8a9a97a20fb6071b2
[INFO] running `Command { std: "docker" "start" "-a" "796075b369b8d0106c19c66558ccbf9dbc11a7c09fce4ea8a9a97a20fb6071b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "796075b369b8d0106c19c66558ccbf9dbc11a7c09fce4ea8a9a97a20fb6071b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796075b369b8d0106c19c66558ccbf9dbc11a7c09fce4ea8a9a97a20fb6071b2", kill_on_drop: false }`
[INFO] [stdout] 796075b369b8d0106c19c66558ccbf9dbc11a7c09fce4ea8a9a97a20fb6071b2