[INFO] fetching crate approvals 0.0.7...
[INFO] checking approvals-0.0.7 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate approvals 0.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate approvals 0.0.7 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84599cf8c6c05c8ad659b968185f691f74b0427d5f7e211dfff5bd464ef29b6b
[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" "84599cf8c6c05c8ad659b968185f691f74b0427d5f7e211dfff5bd464ef29b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84599cf8c6c05c8ad659b968185f691f74b0427d5f7e211dfff5bd464ef29b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84599cf8c6c05c8ad659b968185f691f74b0427d5f7e211dfff5bd464ef29b6b", kill_on_drop: false }`
[INFO] [stdout] 84599cf8c6c05c8ad659b968185f691f74b0427d5f7e211dfff5bd464ef29b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] dbe5638845c6205d451df88728eb79b836a2796a6490d6c75d4e392118516c9d
[INFO] running `Command { std: "docker" "start" "-a" "dbe5638845c6205d451df88728eb79b836a2796a6490d6c75d4e392118516c9d", 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: 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: 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: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: 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: 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 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 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] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "dbe5638845c6205d451df88728eb79b836a2796a6490d6c75d4e392118516c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe5638845c6205d451df88728eb79b836a2796a6490d6c75d4e392118516c9d", kill_on_drop: false }`
[INFO] [stdout] dbe5638845c6205d451df88728eb79b836a2796a6490d6c75d4e392118516c9d