[INFO] fetching crate failures_crate 0.1.0... [INFO] checking failures_crate-0.1.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180 [INFO] extracting crate failures_crate 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate failures_crate 0.1.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate failures_crate 0.1.0 [INFO] finished tweaking crates.io crate failures_crate 0.1.0 [INFO] tweaked toml for crates.io crate failures_crate 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b445232dca8b4d5d6a82cc9d2c5bad87845468b04841f449871a0b00f257f665 [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" "b445232dca8b4d5d6a82cc9d2c5bad87845468b04841f449871a0b00f257f665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b445232dca8b4d5d6a82cc9d2c5bad87845468b04841f449871a0b00f257f665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b445232dca8b4d5d6a82cc9d2c5bad87845468b04841f449871a0b00f257f665", kill_on_drop: false }` [INFO] [stdout] b445232dca8b4d5d6a82cc9d2c5bad87845468b04841f449871a0b00f257f665 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0159b7f2cf7c07abb16f0e04d3928d06d2f3d64e69ef4635a524b7b76946c740 [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" "0159b7f2cf7c07abb16f0e04d3928d06d2f3d64e69ef4635a524b7b76946c740", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking failures_crate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] extern crate failure_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `i32` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | type ParseResult = Result; [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] extern crate failure_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `i32` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | type ParseResult = Result; [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failures_crate::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use failures_crate::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failures_crate::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use failures_crate::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.03s [INFO] running `Command { std: "docker" "inspect" "0159b7f2cf7c07abb16f0e04d3928d06d2f3d64e69ef4635a524b7b76946c740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0159b7f2cf7c07abb16f0e04d3928d06d2f3d64e69ef4635a524b7b76946c740", kill_on_drop: false }` [INFO] [stdout] 0159b7f2cf7c07abb16f0e04d3928d06d2f3d64e69ef4635a524b7b76946c740