[INFO] cloning repository https://github.com/Pungyeon/duplicate-detect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pungyeon/duplicate-detect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Fduplicate-detect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Fduplicate-detect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3247bb09ebd08d97cfba5f27cbc476f9b25d99a7
[INFO] checking Pungyeon/duplicate-detect against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Fduplicate-detect" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pungyeon/duplicate-detect 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 git repo https://github.com/Pungyeon/duplicate-detect
[INFO] finished tweaking git repo https://github.com/Pungyeon/duplicate-detect
[INFO] tweaked toml for git repo https://github.com/Pungyeon/duplicate-detect written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pungyeon/duplicate-detect already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 808691633e62d30c715cfacf3f37784efc9282724c7c073e92a1ba13757a7b6d
[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" "808691633e62d30c715cfacf3f37784efc9282724c7c073e92a1ba13757a7b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808691633e62d30c715cfacf3f37784efc9282724c7c073e92a1ba13757a7b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808691633e62d30c715cfacf3f37784efc9282724c7c073e92a1ba13757a7b6d", kill_on_drop: false }`
[INFO] [stdout] 808691633e62d30c715cfacf3f37784efc9282724c7c073e92a1ba13757a7b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9ce3fde6dff14ef740e47c23d807cda917d017026203ba7e768048bc96713310
[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" "9ce3fde6dff14ef740e47c23d807cda917d017026203ba7e768048bc96713310", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking my_crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:69:100
[INFO] [stdout]    |
[INFO] [stdout] 69 |             println!("error: could not read folder: {}: reason: {}", path.clone().to_string(), why.description());
[INFO] [stdout]    |                                                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/main.rs:86:90
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     println!("error: could not open file: {}: reason: {}", filepath, why.description());
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^
[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/main.rs:69:100
[INFO] [stdout]    |
[INFO] [stdout] 69 |             println!("error: could not read folder: {}: reason: {}", path.clone().to_string(), why.description());
[INFO] [stdout]    |                                                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/main.rs:86:90
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     println!("error: could not open file: {}: reason: {}", filepath, why.description());
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let d = self.hmap.get(&hash).unwrap();
[INFO] [stdout]    |                     --------- immutable borrow occurs here
[INFO] [stdout] 43 |             self.insert_dupe(d.to_string(), filepath.clone());
[INFO] [stdout]    |             ^^^^             - immutable borrow later used here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let d = self.hmap.get(&hash).unwrap();
[INFO] [stdout]    |                     --------- immutable borrow occurs here
[INFO] [stdout] 43 |             self.insert_dupe(d.to_string(), filepath.clone());
[INFO] [stdout]    |             ^^^^             - immutable borrow later used here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "9ce3fde6dff14ef740e47c23d807cda917d017026203ba7e768048bc96713310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce3fde6dff14ef740e47c23d807cda917d017026203ba7e768048bc96713310", kill_on_drop: false }`
[INFO] [stdout] 9ce3fde6dff14ef740e47c23d807cda917d017026203ba7e768048bc96713310
