[INFO] fetching crate asink 0.1.2...
[INFO] checking asink-0.1.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate asink 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate asink 0.1.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asink 0.1.2
[INFO] finished tweaking crates.io crate asink 0.1.2
[INFO] tweaked toml for crates.io crate asink 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded rmp v0.8.12
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded bson v0.12.3
[INFO] [stderr]   Downloaded data-encoding v2.5.0
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded textnonce v0.6.5
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded scan_fmt v0.1.3
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded mongodb v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0ed084052a12ee7ce724ebeb3774ded7d225de9b9b305feecc4d81e9c4b4c6
[INFO] running `Command { std: "docker" "start" "-a" "2d0ed084052a12ee7ce724ebeb3774ded7d225de9b9b305feecc4d81e9c4b4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0ed084052a12ee7ce724ebeb3774ded7d225de9b9b305feecc4d81e9c4b4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0ed084052a12ee7ce724ebeb3774ded7d225de9b9b305feecc4d81e9c4b4c6", kill_on_drop: false }`
[INFO] [stdout] 2d0ed084052a12ee7ce724ebeb3774ded7d225de9b9b305feecc4d81e9c4b4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f91c06cf96225df37d987f320a720e39896d2131988a4d6d383abee6db79d28
[INFO] running `Command { std: "docker" "start" "-a" "9f91c06cf96225df37d987f320a720e39896d2131988a4d6d383abee6db79d28", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking bson v0.12.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.10
[INFO] [stderr]     Checking asink v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bson` is imported redundantly
[INFO] [stdout]   --> src/mongo.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use bson;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate bson;
[INFO] [stdout]    | ------------------ the item `bson` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bson` is imported redundantly
[INFO] [stdout]   --> src/mongo.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use bson;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate bson;
[INFO] [stdout]    | ------------------ the item `bson` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v0.12.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9f91c06cf96225df37d987f320a720e39896d2131988a4d6d383abee6db79d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f91c06cf96225df37d987f320a720e39896d2131988a4d6d383abee6db79d28", kill_on_drop: false }`
[INFO] [stdout] 9f91c06cf96225df37d987f320a720e39896d2131988a4d6d383abee6db79d28
[INFO] checking asink-0.1.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate asink 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate asink 0.1.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asink 0.1.2
[INFO] finished tweaking crates.io crate asink 0.1.2
[INFO] tweaked toml for crates.io crate asink 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 019a8e8e0de3556055511e185b857bd94ed3c1a4d80d5a579d3d1f26072fa38d
[INFO] running `Command { std: "docker" "start" "-a" "019a8e8e0de3556055511e185b857bd94ed3c1a4d80d5a579d3d1f26072fa38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019a8e8e0de3556055511e185b857bd94ed3c1a4d80d5a579d3d1f26072fa38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019a8e8e0de3556055511e185b857bd94ed3c1a4d80d5a579d3d1f26072fa38d", kill_on_drop: false }`
[INFO] [stdout] 019a8e8e0de3556055511e185b857bd94ed3c1a4d80d5a579d3d1f26072fa38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae9ae35beff28f4b8416fd0dfabacdc17b2754d87ee08b05851d63c3ab584bc
[INFO] running `Command { std: "docker" "start" "-a" "8ae9ae35beff28f4b8416fd0dfabacdc17b2754d87ee08b05851d63c3ab584bc", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking bson v0.12.3
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.10
[INFO] [stderr]     Checking asink v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bson` is imported redundantly
[INFO] [stdout]   --> src/mongo.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use bson;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate bson;
[INFO] [stdout]    | ------------------ the item `bson` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bson` is imported redundantly
[INFO] [stdout]   --> src/mongo.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use bson;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate bson;
[INFO] [stdout]    | ------------------ the item `bson` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v0.12.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8ae9ae35beff28f4b8416fd0dfabacdc17b2754d87ee08b05851d63c3ab584bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae9ae35beff28f4b8416fd0dfabacdc17b2754d87ee08b05851d63c3ab584bc", kill_on_drop: false }`
[INFO] [stdout] 8ae9ae35beff28f4b8416fd0dfabacdc17b2754d87ee08b05851d63c3ab584bc
