[INFO] fetching crate itree 0.3.1...
[INFO] checking itree-0.3.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate itree 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate itree 0.3.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate itree 0.3.1
[INFO] finished tweaking crates.io crate itree 0.3.1
[INFO] tweaked toml for crates.io crate itree 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indextree v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9b706aee17d126cce2ea9ab38e0f5f35e643d5ca9a50737585569ea49fad77
[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" "3d9b706aee17d126cce2ea9ab38e0f5f35e643d5ca9a50737585569ea49fad77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9b706aee17d126cce2ea9ab38e0f5f35e643d5ca9a50737585569ea49fad77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9b706aee17d126cce2ea9ab38e0f5f35e643d5ca9a50737585569ea49fad77", kill_on_drop: false }`
[INFO] [stdout] 3d9b706aee17d126cce2ea9ab38e0f5f35e643d5ca9a50737585569ea49fad77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] c4fd28d6270d103534b24f9c6894b285cbcfd82e2e9920d3f8aad8495f6a68d1
[INFO] running `Command { std: "docker" "start" "-a" "c4fd28d6270d103534b24f9c6894b285cbcfd82e2e9920d3f8aad8495f6a68d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking indextree v1.3.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking itree v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/options.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fg_color: Box<Color>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn Color`
[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/options.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub bg_color: Box<Color>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fg_color(&mut self, color: Box<Color>) -> &mut Self {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bg_color(&mut self, color: Box<Color>) -> &mut Self {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/options.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fg_color: Box<Color>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn Color`
[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/options.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub bg_color: Box<Color>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fg_color(&mut self, color: Box<Color>) -> &mut Self {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bg_color(&mut self, color: Box<Color>) -> &mut Self {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn string_to_color(cs: &str) -> Box<color::Color> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color`
[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/args.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn string_to_color(cs: &str) -> Box<color::Color> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "c4fd28d6270d103534b24f9c6894b285cbcfd82e2e9920d3f8aad8495f6a68d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4fd28d6270d103534b24f9c6894b285cbcfd82e2e9920d3f8aad8495f6a68d1", kill_on_drop: false }`
[INFO] [stdout] c4fd28d6270d103534b24f9c6894b285cbcfd82e2e9920d3f8aad8495f6a68d1