[INFO] fetching crate tenjin 0.5.1...
[INFO] checking tenjin-0.5.1 against beta for pr-78714
[INFO] extracting crate tenjin 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tenjin 0.5.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tenjin 0.5.1
[INFO] finished tweaking crates.io crate tenjin 0.5.1
[INFO] tweaked toml for crates.io crate tenjin 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a3eba3f6fba7bac3289992e51575c9a4ba9bd55a037f6df4a5cb4c9f4f3f8d4
[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" "3a3eba3f6fba7bac3289992e51575c9a4ba9bd55a037f6df4a5cb4c9f4f3f8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3eba3f6fba7bac3289992e51575c9a4ba9bd55a037f6df4a5cb4c9f4f3f8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3eba3f6fba7bac3289992e51575c9a4ba9bd55a037f6df4a5cb4c9f4f3f8d4", kill_on_drop: false }`
[INFO] [stdout] 3a3eba3f6fba7bac3289992e51575c9a4ba9bd55a037f6df4a5cb4c9f4f3f8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c20ec95a86710f396ac01f4d15fa714996fa323e3d735ccb455d766f3f11c4
[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" "08c20ec95a86710f396ac01f4d15fa714996fa323e3d735ccb455d766f3f11c4", kill_on_drop: false }`
[INFO] [stderr]     Checking tenjin v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |         context: &Context<W>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     context: &'a Context<W>,
[INFO] [stdout]     |                  ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     inner: &'a Context<W>,
[INFO] [stdout]     |                ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |     back: &'a Context<W>,
[INFO] [stdout]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     front: &'a Context<W>,
[INFO] [stdout]     |                ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |         context: &Context<W>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     context: &'a Context<W>,
[INFO] [stdout]     |                  ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     inner: &'a Context<W>,
[INFO] [stdout]     |                ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |     back: &'a Context<W>,
[INFO] [stdout]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     front: &'a Context<W>,
[INFO] [stdout]     |                ^^^^^^^^^^ help: use `dyn`: `dyn Context<W>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/compile.rs:311:33
[INFO] [stdout]     |
[INFO] [stdout] 311 |             self.src = self.src.trim_left();
[INFO] [stdout]     |                                 ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/compile.rs:311:33
[INFO] [stdout]     |
[INFO] [stdout] 311 |             self.src = self.src.trim_left();
[INFO] [stdout]     |                                 ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |             &Compile(ref error) => error.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:37
[INFO] [stdout]    |
[INFO] [stdout] 42 |             &Io(ref error) => error.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |             &Compile(ref error) => error.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:37
[INFO] [stdout]    |
[INFO] [stdout] 42 |             &Io(ref error) => error.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut body = match otherwise {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         let mut body = match otherwise {
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut body = match otherwise {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         let mut body = match otherwise {
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/macros.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "08c20ec95a86710f396ac01f4d15fa714996fa323e3d735ccb455d766f3f11c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c20ec95a86710f396ac01f4d15fa714996fa323e3d735ccb455d766f3f11c4", kill_on_drop: false }`
[INFO] [stdout] 08c20ec95a86710f396ac01f4d15fa714996fa323e3d735ccb455d766f3f11c4