[INFO] fetching crate path_abs 0.5.1...
[INFO] checking path_abs-0.5.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate path_abs 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate path_abs 0.5.1 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 path_abs 0.5.1
[INFO] finished tweaking crates.io crate path_abs 0.5.1
[INFO] tweaked toml for crates.io crate path_abs 0.5.1 written to /workspace/builds/worker-2/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 std_prelude v0.2.12
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded pretty_assertions v0.4.1
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c01924161b9d28e7f8ddffede115e349f0f4d71d9ae73c8a390a74576842a36e
[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" "c01924161b9d28e7f8ddffede115e349f0f4d71d9ae73c8a390a74576842a36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c01924161b9d28e7f8ddffede115e349f0f4d71d9ae73c8a390a74576842a36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01924161b9d28e7f8ddffede115e349f0f4d71d9ae73c8a390a74576842a36e", kill_on_drop: false }`
[INFO] [stdout] c01924161b9d28e7f8ddffede115e349f0f4d71d9ae73c8a390a74576842a36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] b1cc03bccf402b6b8860ce4f6367d4504023ee3bb9851fd613dbc5983e723ea2
[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" "b1cc03bccf402b6b8860ce4f6367d4504023ee3bb9851fd613dbc5983e723ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking path_abs v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/abs.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/abs.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 |         self.io_err.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 |         self.io_err.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ser_from_str`
[INFO] [stdout]    --> src/ser.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let ser_from_str = PathSer::from("example");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ser_from_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ser_from_tmp_abs`
[INFO] [stdout]    --> src/ser.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let ser_from_tmp_abs = PathSer::from(tmp_abs.as_path());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ser_from_tmp_abs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.25s
[INFO] running `Command { std: "docker" "inspect" "b1cc03bccf402b6b8860ce4f6367d4504023ee3bb9851fd613dbc5983e723ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cc03bccf402b6b8860ce4f6367d4504023ee3bb9851fd613dbc5983e723ea2", kill_on_drop: false }`
[INFO] [stdout] b1cc03bccf402b6b8860ce4f6367d4504023ee3bb9851fd613dbc5983e723ea2