[INFO] fetching crate error-chain-mini 0.2.0...
[INFO] checking error-chain-mini-0.2.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate error-chain-mini 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate error-chain-mini 0.2.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-chain-mini 0.2.0
[INFO] finished tweaking crates.io crate error-chain-mini 0.2.0
[INFO] tweaked toml for crates.io crate error-chain-mini 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain-mini-derive v0.2.0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f95cdcfd4f9a65ebf185179dda797f338e5968fbb8e269a04e7b55c3c6e00c37
[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" "f95cdcfd4f9a65ebf185179dda797f338e5968fbb8e269a04e7b55c3c6e00c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95cdcfd4f9a65ebf185179dda797f338e5968fbb8e269a04e7b55c3c6e00c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95cdcfd4f9a65ebf185179dda797f338e5968fbb8e269a04e7b55c3c6e00c37", kill_on_drop: false }`
[INFO] [stdout] f95cdcfd4f9a65ebf185179dda797f338e5968fbb8e269a04e7b55c3c6e00c37
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b23e4393d234c1ed8ee1959462456ed5e36c827779237e71a262c96815f7c11
[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" "3b23e4393d234c1ed8ee1959462456ed5e36c827779237e71a262c96815f7c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking error-chain-mini v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn new(kind: T, context: Vec<Box<ErrorContext>>) -> Self {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[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/lib.rs:426:22
[INFO] [stdout]     |
[INFO] [stdout] 426 |     context: Vec<Box<ErrorContext>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:430:38
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn new(kind: T, context: Vec<Box<ErrorContext>>) -> Self {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling synstructure v0.8.1
[INFO] [stderr]    Compiling error-chain-mini-derive v0.2.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn new(kind: T, context: Vec<Box<ErrorContext>>) -> Self {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[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/lib.rs:426:22
[INFO] [stdout]     |
[INFO] [stdout] 426 |     context: Vec<Box<ErrorContext>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:430:38
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn new(kind: T, context: Vec<Box<ErrorContext>>) -> Self {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorContext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kind2`
[INFO] [stdout]    --> tests/derive_tests.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Kind2,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 8.43s
[INFO] running `Command { std: "docker" "inspect" "3b23e4393d234c1ed8ee1959462456ed5e36c827779237e71a262c96815f7c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b23e4393d234c1ed8ee1959462456ed5e36c827779237e71a262c96815f7c11", kill_on_drop: false }`
[INFO] [stdout] 3b23e4393d234c1ed8ee1959462456ed5e36c827779237e71a262c96815f7c11