[INFO] fetching crate rdedup-lib 3.2.0...
[INFO] checking rdedup-lib-3.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rdedup-lib 3.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rdedup-lib 3.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdedup-lib 3.2.0
[INFO] finished tweaking crates.io crate rdedup-lib 3.2.0
[INFO] tweaked toml for crates.io crate rdedup-lib 3.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages
[INFO] [stderr]       Adding base64 v0.5.2 (latest: v0.22.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-perf v0.2.0
[INFO] [stderr]   Downloaded dangerous_option v0.2.0
[INFO] [stderr]   Downloaded rdedup-cdc v0.1.0
[INFO] [stderr]   Downloaded hyper-native-tls v0.3.0
[INFO] [stderr]   Downloaded sgdata v0.2.0
[INFO] [stderr]   Downloaded rust-lzma v0.5.1
[INFO] [stderr]   Downloaded backblaze-b2 v0.1.8
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded bytevec v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 169230ed87901ec7e25136076a1fa9ead70d8633099ef1fd4c7e4fbd6b3a934a
[INFO] running `Command { std: "docker" "start" "-a" "169230ed87901ec7e25136076a1fa9ead70d8633099ef1fd4c7e4fbd6b3a934a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169230ed87901ec7e25136076a1fa9ead70d8633099ef1fd4c7e4fbd6b3a934a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169230ed87901ec7e25136076a1fa9ead70d8633099ef1fd4c7e4fbd6b3a934a", kill_on_drop: false }`
[INFO] [stdout] 169230ed87901ec7e25136076a1fa9ead70d8633099ef1fd4c7e4fbd6b3a934a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b10818d1134bd3e5c260efb0fd6649c71b0221faf763ac290396ae73b40cdd9
[INFO] running `Command { std: "docker" "start" "-a" "1b10818d1134bd3e5c260efb0fd6649c71b0221faf763ac290396ae73b40cdd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rdedup-cdc v0.1.0
[INFO] [stderr]     Checking sgdata v0.2.0
[INFO] [stderr]     Checking bytevec v0.2.0
[INFO] [stderr]     Checking dangerous_option v0.2.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking slog-perf v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking backblaze-b2 v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking rdedup-lib v3.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/sorting_recv.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/serde.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hex::{self, FromHex, FromHexError};
[INFO] [stdout]   |           ^^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/generation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex::{self, FromHex};
[INFO] [stdout]   |           ^^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/sorting_recv.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/serde.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hex::{self, FromHex, FromHexError};
[INFO] [stdout]   |           ^^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/generation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex::{self, FromHex};
[INFO] [stdout]   |           ^^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{self, fs};
[INFO] [stdout]   |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/tests.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/tests.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/aio/b2.rs:223:35
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let created = chrono::Utc.timestamp(upload_timestamp as i64, 0);
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/aio/b2.rs:223:35
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let created = chrono::Utc.timestamp(upload_timestamp as i64, 0);
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_digest_simple` is never used
[INFO] [stdout]   --> src/hashing.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Hasher {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 11 |     fn calculate_digest(&self, sg: &SGData) -> Vec<u8>;
[INFO] [stdout] 12 |     fn calculate_digest_simple(&self, sg: &[u8]) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `repo` is never used
[INFO] [stdout]    --> src/reading.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub(crate) trait ChunkAccessor {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 226 |     fn repo(&self) -> &Repo;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_digest_simple` is never used
[INFO] [stdout]   --> src/hashing.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Hasher {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 11 |     fn calculate_digest(&self, sg: &SGData) -> Vec<u8>;
[INFO] [stdout] 12 |     fn calculate_digest_simple(&self, sg: &[u8]) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `repo` is never used
[INFO] [stdout]    --> src/reading.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub(crate) trait ChunkAccessor {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 226 |     fn repo(&self) -> &Repo;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1b10818d1134bd3e5c260efb0fd6649c71b0221faf763ac290396ae73b40cdd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b10818d1134bd3e5c260efb0fd6649c71b0221faf763ac290396ae73b40cdd9", kill_on_drop: false }`
[INFO] [stdout] 1b10818d1134bd3e5c260efb0fd6649c71b0221faf763ac290396ae73b40cdd9