[INFO] fetching crate libimagcounter 0.4.0...
[INFO] testing libimagcounter-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate libimagcounter 0.4.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate libimagcounter 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libimagcounter 0.4.0
[INFO] finished tweaking crates.io crate libimagcounter 0.4.0
[INFO] tweaked toml for crates.io crate libimagcounter 0.4.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libimagerror v0.4.0
[INFO] [stderr]   Downloaded libimagutil v0.4.0
[INFO] [stderr]   Downloaded libimagstore v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 164785b2d62d873d6e0ac453c85889037e3be9dd31b69518ac1af6da16f5c972
[INFO] running `Command { std: "docker" "start" "-a" "164785b2d62d873d6e0ac453c85889037e3be9dd31b69518ac1af6da16f5c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164785b2d62d873d6e0ac453c85889037e3be9dd31b69518ac1af6da16f5c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164785b2d62d873d6e0ac453c85889037e3be9dd31b69518ac1af6da16f5c972", kill_on_drop: false }`
[INFO] [stdout] 164785b2d62d873d6e0ac453c85889037e3be9dd31b69518ac1af6da16f5c972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3207eba4750d521911952623e984a2ee3b6317809be33bbf0cc966ee80bae14
[INFO] running `Command { std: "docker" "start" "-a" "d3207eba4750d521911952623e984a2ee3b6317809be33bbf0cc966ee80bae14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling version v2.0.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling libimagerror v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling libimagutil v0.4.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml-query v0.3.1
[INFO] [stderr]    Compiling libimagstore v0.4.0
[INFO] [stderr]    Compiling libimagcounter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DerefMut` is imported redundantly
[INFO] [stdout]   --> src/counter.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::ops::DerefMut;
[INFO] [stdout]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         use std::ops::DerefMut;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let id = try!(ModuleEntryPath::new(name.clone())
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:74:33
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut lockentry = try!(store.create(id).chain_err(|| CEK::StoreWriteError));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 131 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Store`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StoreId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.36s
[INFO] running `Command { std: "docker" "inspect" "d3207eba4750d521911952623e984a2ee3b6317809be33bbf0cc966ee80bae14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3207eba4750d521911952623e984a2ee3b6317809be33bbf0cc966ee80bae14", kill_on_drop: false }`
[INFO] [stdout] d3207eba4750d521911952623e984a2ee3b6317809be33bbf0cc966ee80bae14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25e59562bf4023500571e123bbdaac04e35b203fff15edc91394b76ec4d5b006
[INFO] running `Command { std: "docker" "start" "-a" "25e59562bf4023500571e123bbdaac04e35b203fff15edc91394b76ec4d5b006", kill_on_drop: false }`
[INFO] [stdout] warning: the item `DerefMut` is imported redundantly
[INFO] [stdout]   --> src/counter.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::ops::DerefMut;
[INFO] [stdout]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         use std::ops::DerefMut;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let id = try!(ModuleEntryPath::new(name.clone())
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:74:33
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut lockentry = try!(store.create(id).chain_err(|| CEK::StoreWriteError));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 131 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Store`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libimagcounter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StoreId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DerefMut` is imported redundantly
[INFO] [stdout]   --> src/counter.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::ops::DerefMut;
[INFO] [stdout]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         use std::ops::DerefMut;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unused_imports,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let id = try!(ModuleEntryPath::new(name.clone())
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/counter.rs:74:33
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut lockentry = try!(store.create(id).chain_err(|| CEK::StoreWriteError));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 131 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/counter.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Store`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/counter.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stdout]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StoreId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "25e59562bf4023500571e123bbdaac04e35b203fff15edc91394b76ec4d5b006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e59562bf4023500571e123bbdaac04e35b203fff15edc91394b76ec4d5b006", kill_on_drop: false }`
[INFO] [stdout] 25e59562bf4023500571e123bbdaac04e35b203fff15edc91394b76ec4d5b006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] debb91de5dcfff2fc23599ea8269045b1d2e061c83ac24df1e7b06258a9afab2
[INFO] running `Command { std: "docker" "start" "-a" "debb91de5dcfff2fc23599ea8269045b1d2e061c83ac24df1e7b06258a9afab2", kill_on_drop: false }`
[INFO] [stderr] warning: the item `DerefMut` is imported redundantly
[INFO] [stderr]   --> src/counter.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::ops::DerefMut;
[INFO] [stderr]    |     ------------------ the item `DerefMut` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::ops::DerefMut;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     unused_imports,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/counter.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let id = try!(ModuleEntryPath::new(name.clone())
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/counter.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let mut lockentry = try!(store.create(id).chain_err(|| CEK::StoreWriteError));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/counter.rs:118:15
[INFO] [stderr]     |
[INFO] [stderr] 118 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/counter.rs:131:15
[INFO] [stderr]     |
[INFO] [stderr] 131 |         match try!(header.read(&query).chain_err(|| CEK::StoreReadError)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/counter.rs:195:18
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/counter.rs:203:18
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let id = try!(ModuleEntryPath::new(name)
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/counter.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stderr]     |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Store`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/counter.rs:218:29
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn from_storeid(&Store, StoreId) -> Result<Counter>;
[INFO] [stderr]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StoreId`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `libimagcounter` (lib) generated 9 warnings
[INFO] [stderr] warning: `libimagcounter` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libimagcounter-d5e8842076138283)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libimagcounter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "debb91de5dcfff2fc23599ea8269045b1d2e061c83ac24df1e7b06258a9afab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debb91de5dcfff2fc23599ea8269045b1d2e061c83ac24df1e7b06258a9afab2", kill_on_drop: false }`
[INFO] [stdout] debb91de5dcfff2fc23599ea8269045b1d2e061c83ac24df1e7b06258a9afab2
