[INFO] fetching crate approvals 0.0.7...
[INFO] checking approvals-0.0.7 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate approvals 0.0.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate approvals 0.0.7 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate approvals 0.0.7
[INFO] finished tweaking crates.io crate approvals 0.0.7
[INFO] tweaked toml for crates.io crate approvals 0.0.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90aa35b5cf1f0d60ee71c7387e83702e34117a06a79aeae02d503447ce3659c3
[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" "90aa35b5cf1f0d60ee71c7387e83702e34117a06a79aeae02d503447ce3659c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90aa35b5cf1f0d60ee71c7387e83702e34117a06a79aeae02d503447ce3659c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90aa35b5cf1f0d60ee71c7387e83702e34117a06a79aeae02d503447ce3659c3", kill_on_drop: false }`
[INFO] [stdout] 90aa35b5cf1f0d60ee71c7387e83702e34117a06a79aeae02d503447ce3659c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbec4ec61bea2195c7ff3e8370f4ae2819e3f47bdaa2cf10e8151acdbf13b80f
[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" "bbec4ec61bea2195c7ff3e8370f4ae2819e3f47bdaa2cf10e8151acdbf13b80f", kill_on_drop: false }`
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking approvals v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let name = try!(symbol.name().ok_or(Error::NoSymbolName));
[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/method_name/mod.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let demangled = try!(get_demangled(name));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let index = try!(demangled.rfind(':').ok_or(Error::NoMethodSeparator));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let method_name = try!(str::from_utf8(&(demangled.as_bytes())[..(index - 1)]));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/method_name/mod.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn resolve_method(symbol: &backtrace::Symbol, level: usize, levels_up: usize) -> Result<String, Error> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn backtrace::Symbol`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mangled = try!(str::from_utf8(name));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(backtrace::demangle(&mut demangled, mangled));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/lib.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if actual.trim_right_matches("\n") == contents.trim_right_matches("\n") {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/lib.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if actual.trim_right_matches("\n") == contents.trim_right_matches("\n") {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let name = try!(symbol.name().ok_or(Error::NoSymbolName));
[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/method_name/mod.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let demangled = try!(get_demangled(name));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let index = try!(demangled.rfind(':').ok_or(Error::NoMethodSeparator));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let method_name = try!(str::from_utf8(&(demangled.as_bytes())[..(index - 1)]));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/method_name/mod.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn resolve_method(symbol: &backtrace::Symbol, level: usize, levels_up: usize) -> Result<String, Error> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn backtrace::Symbol`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mangled = try!(str::from_utf8(name));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/method_name/mod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(backtrace::demangle(&mut demangled, mangled));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/lib.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if actual.trim_right_matches("\n") == contents.trim_right_matches("\n") {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/lib.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if actual.trim_right_matches("\n") == contents.trim_right_matches("\n") {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "bbec4ec61bea2195c7ff3e8370f4ae2819e3f47bdaa2cf10e8151acdbf13b80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbec4ec61bea2195c7ff3e8370f4ae2819e3f47bdaa2cf10e8151acdbf13b80f", kill_on_drop: false }`
[INFO] [stdout] bbec4ec61bea2195c7ff3e8370f4ae2819e3f47bdaa2cf10e8151acdbf13b80f