[INFO] cloning repository https://github.com/slinkydeveloper/json-fuse-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slinkydeveloper/json-fuse-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslinkydeveloper%2Fjson-fuse-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslinkydeveloper%2Fjson-fuse-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f2d4c22df2a067af84586f4bf61648d4e3abb6a
[INFO] checking slinkydeveloper/json-fuse-fs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslinkydeveloper%2Fjson-fuse-fs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slinkydeveloper/json-fuse-fs 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 git repo https://github.com/slinkydeveloper/json-fuse-fs
[INFO] finished tweaking git repo https://github.com/slinkydeveloper/json-fuse-fs
[INFO] tweaked toml for git repo https://github.com/slinkydeveloper/json-fuse-fs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/slinkydeveloper/json-fuse-fs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zargony/rust-fuse`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03ee77c444142ae1499a09787ffa3e08e9df06af070e1d512f217bfd50b865ea
[INFO] running `Command { std: "docker" "start" "-a" "03ee77c444142ae1499a09787ffa3e08e9df06af070e1d512f217bfd50b865ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ee77c444142ae1499a09787ffa3e08e9df06af070e1d512f217bfd50b865ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ee77c444142ae1499a09787ffa3e08e9df06af070e1d512f217bfd50b865ea", kill_on_drop: false }`
[INFO] [stdout] 03ee77c444142ae1499a09787ffa3e08e9df06af070e1d512f217bfd50b865ea
[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] [stdout] c342817c31229a92d4b5c295551496abcc0878a5f729d3796895d812c9832c71
[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" "c342817c31229a92d4b5c295551496abcc0878a5f729d3796895d812c9832c71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking fuse-abi v0.4.0-dev (https://github.com/zargony/rust-fuse#df237bba)
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/rust-fuse#df237bba)
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking cookie v0.12.0
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[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking fuse v0.4.0-dev (https://github.com/zargony/rust-fuse#df237bba)
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
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[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking json_fuse_fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn ops(&self) -> &FSFileTypeOps {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn FSFileTypeOps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn ops(&self) -> &FSFileTypeOps {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn FSFileTypeOps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/http.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             resp.read_to_end(&mut body);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/http.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             resp.read_to_end(&mut body);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_tree_root`
[INFO] [stdout]   --> src/fs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs_tree_root: Rc<FSNode>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_tree_root`
[INFO] [stdout]   --> src/fs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fs_tree_root: Rc<FSNode>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "c342817c31229a92d4b5c295551496abcc0878a5f729d3796895d812c9832c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c342817c31229a92d4b5c295551496abcc0878a5f729d3796895d812c9832c71", kill_on_drop: false }`
[INFO] [stdout] c342817c31229a92d4b5c295551496abcc0878a5f729d3796895d812c9832c71