[INFO] fetching crate pincers 0.2.0...
[INFO] testing pincers-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pincers 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pincers 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pincers 0.2.0
[INFO] finished tweaking crates.io crate pincers 0.2.0
[INFO] tweaked toml for crates.io crate pincers 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e81fa5463aa28f52061e54fff4152fddce020bd82389772ddb58def337bf5b5a
[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" "e81fa5463aa28f52061e54fff4152fddce020bd82389772ddb58def337bf5b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e81fa5463aa28f52061e54fff4152fddce020bd82389772ddb58def337bf5b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81fa5463aa28f52061e54fff4152fddce020bd82389772ddb58def337bf5b5a", kill_on_drop: false }`
[INFO] [stdout] e81fa5463aa28f52061e54fff4152fddce020bd82389772ddb58def337bf5b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f2ba429f8e2d23f391d2f2d58f910b0f3c0bf6a85932b942a19667a08680c1
[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" "84f2ba429f8e2d23f391d2f2d58f910b0f3c0bf6a85932b942a19667a08680c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling pincers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hashing.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn digest(hash: HashType, bits: Option<u16>) -> Result<Box<DynDigest>, Error> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:64
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn hash_instance(algo: &str, sum: &Option<&str>) -> Result<Box<DynDigest>, Error> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn compute_hash(mut digest: Box<DynDigest>, body: &[u8]) -> String {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.84s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84f2ba429f8e2d23f391d2f2d58f910b0f3c0bf6a85932b942a19667a08680c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f2ba429f8e2d23f391d2f2d58f910b0f3c0bf6a85932b942a19667a08680c1", kill_on_drop: false }`
[INFO] [stdout] 84f2ba429f8e2d23f391d2f2d58f910b0f3c0bf6a85932b942a19667a08680c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d88cf87f6fd5d6ea80a7e6fd9d54f2acb89d141f9af9f9d69d0e8729f79bed9
[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" "1d88cf87f6fd5d6ea80a7e6fd9d54f2acb89d141f9af9f9d69d0e8729f79bed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pincers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hashing.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn digest(hash: HashType, bits: Option<u16>) -> Result<Box<DynDigest>, Error> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:64
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn hash_instance(algo: &str, sum: &Option<&str>) -> Result<Box<DynDigest>, Error> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn compute_hash(mut digest: Box<DynDigest>, body: &[u8]) -> String {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "1d88cf87f6fd5d6ea80a7e6fd9d54f2acb89d141f9af9f9d69d0e8729f79bed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d88cf87f6fd5d6ea80a7e6fd9d54f2acb89d141f9af9f9d69d0e8729f79bed9", kill_on_drop: false }`
[INFO] [stdout] 1d88cf87f6fd5d6ea80a7e6fd9d54f2acb89d141f9af9f9d69d0e8729f79bed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64e376e932491965c77344a21b27c0d61fef4f01927674678044c3bef9c18417
[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" "64e376e932491965c77344a21b27c0d61fef4f01927674678044c3bef9c18417", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashing.rs:24:64
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn digest(hash: HashType, bits: Option<u16>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:64
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn hash_instance(algo: &str, sum: &Option<&str>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn compute_hash(mut digest: Box<DynDigest>, body: &[u8]) -> String {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pincers-dfc6086f999d4c01)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test verify_matches ... ok
[INFO] [stdout] test verify_not_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64e376e932491965c77344a21b27c0d61fef4f01927674678044c3bef9c18417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e376e932491965c77344a21b27c0d61fef4f01927674678044c3bef9c18417", kill_on_drop: false }`
[INFO] [stdout] 64e376e932491965c77344a21b27c0d61fef4f01927674678044c3bef9c18417
