[INFO] fetching crate uvm_core 0.8.0...
[INFO] checking uvm_core-0.8.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate uvm_core 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uvm_core 0.8.0 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 uvm_core 0.8.0
[INFO] finished tweaking crates.io crate uvm_core 0.8.0
[INFO] tweaked toml for crates.io crate uvm_core 0.8.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49b6fadffc0877d7790633682ce1426572b42905082ad69782cb5862d3126d34
[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" "49b6fadffc0877d7790633682ce1426572b42905082ad69782cb5862d3126d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b6fadffc0877d7790633682ce1426572b42905082ad69782cb5862d3126d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b6fadffc0877d7790633682ce1426572b42905082ad69782cb5862d3126d34", kill_on_drop: false }`
[INFO] [stdout] 49b6fadffc0877d7790633682ce1426572b42905082ad69782cb5862d3126d34
[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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f0207dd147d6d4e92c256e1dabf1664404cae6e19f6d05f4d569b1d405d12a
[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" "b9f0207dd147d6d4e92c256e1dabf1664404cae6e19f6d05f4d569b1d405d12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling hashbrown v0.8.2
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[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
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[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking encoding_rs v0.8.24
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[INFO] [stderr]     Checking base64 v0.9.3
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[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking md-5 v0.8.0
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[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
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[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking h2 v0.1.26
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[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking uvm_core v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use tempfile;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", 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/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[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/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", 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/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "b9f0207dd147d6d4e92c256e1dabf1664404cae6e19f6d05f4d569b1d405d12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f0207dd147d6d4e92c256e1dabf1664404cae6e19f6d05f4d569b1d405d12a", kill_on_drop: false }`
[INFO] [stdout] b9f0207dd147d6d4e92c256e1dabf1664404cae6e19f6d05f4d569b1d405d12a