[INFO] crate path_abs 0.5.0 is already in cache
[INFO] checking path_abs-0.5.0 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate path_abs 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate path_abs 0.5.0 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate path_abs 0.5.0
[INFO] finished tweaking crates.io crate path_abs 0.5.0
[INFO] tweaked toml for crates.io crate path_abs 0.5.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d31d57ea08570c9dcf63f3e6450d55e91fbe653d358e64f392f5e504bc89fb8e
[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" "d31d57ea08570c9dcf63f3e6450d55e91fbe653d358e64f392f5e504bc89fb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31d57ea08570c9dcf63f3e6450d55e91fbe653d358e64f392f5e504bc89fb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31d57ea08570c9dcf63f3e6450d55e91fbe653d358e64f392f5e504bc89fb8e", kill_on_drop: false }`
[INFO] [stdout] d31d57ea08570c9dcf63f3e6450d55e91fbe653d358e64f392f5e504bc89fb8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34df9686caa0caf7421c11ca0459f4c6a9fd58018672f33f7a203938aeaddb3b
[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" "34df9686caa0caf7421c11ca0459f4c6a9fd58018672f33f7a203938aeaddb3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking path_abs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |         self.io_err.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:338:21
[INFO] [stdout]     |
[INFO] [stdout] 338 |         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:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         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:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "34df9686caa0caf7421c11ca0459f4c6a9fd58018672f33f7a203938aeaddb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34df9686caa0caf7421c11ca0459f4c6a9fd58018672f33f7a203938aeaddb3b", kill_on_drop: false }`
[INFO] [stdout] 34df9686caa0caf7421c11ca0459f4c6a9fd58018672f33f7a203938aeaddb3b