[INFO] fetching crate string-intern 0.1.7...
[INFO] checking string-intern-0.1.7 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate string-intern 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate string-intern 0.1.7 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-intern 0.1.7
[INFO] finished tweaking crates.io crate string-intern 0.1.7
[INFO] tweaked toml for crates.io crate string-intern 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4baf79dd9ca6f9cb2d67919f8c5d3fdcb0394ddcb7f3309b9e83e85a9e8ee197
[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" "4baf79dd9ca6f9cb2d67919f8c5d3fdcb0394ddcb7f3309b9e83e85a9e8ee197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4baf79dd9ca6f9cb2d67919f8c5d3fdcb0394ddcb7f3309b9e83e85a9e8ee197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baf79dd9ca6f9cb2d67919f8c5d3fdcb0394ddcb7f3309b9e83e85a9e8ee197", kill_on_drop: false }`
[INFO] [stdout] 4baf79dd9ca6f9cb2d67919f8c5d3fdcb0394ddcb7f3309b9e83e85a9e8ee197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae8ee02dcba2ccaffa6c9e452d552e0ae6be8a4a419b3d82424a04ef84fa2ad
[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" "7ae8ee02dcba2ccaffa6c9e452d552e0ae6be8a4a419b3d82424a04ef84fa2ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking string-intern v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/base_type.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref ATOMS: RwLock<HashMap<Buf, Weak<Value>>> =
[INFO] [stdout] 19 | |         RwLock::new(HashMap::new());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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/base_type.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .map_err(|e| d.error(e.description()))
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: argument must be of the form: `expected = "error message"`
[INFO] [stdout]    --> src/base_type.rs:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/base_type.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref ATOMS: RwLock<HashMap<Buf, Weak<Value>>> =
[INFO] [stdout] 19 | |         RwLock::new(HashMap::new());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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/base_type.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .map_err(|e| d.error(e.description()))
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "7ae8ee02dcba2ccaffa6c9e452d552e0ae6be8a4a419b3d82424a04ef84fa2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae8ee02dcba2ccaffa6c9e452d552e0ae6be8a4a419b3d82424a04ef84fa2ad", kill_on_drop: false }`
[INFO] [stdout] 7ae8ee02dcba2ccaffa6c9e452d552e0ae6be8a4a419b3d82424a04ef84fa2ad
