[INFO] fetching crate aes-stream 0.2.1...
[INFO] checking aes-stream-0.2.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate aes-stream 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aes-stream 0.2.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aes-stream 0.2.1
[INFO] finished tweaking crates.io crate aes-stream 0.2.1
[INFO] tweaked toml for crates.io crate aes-stream 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.35)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b21032a8671e4ebd91e8ab77fb5cc5eb6a981abbb49270e088a65a69f22878
[INFO] running `Command { std: "docker" "start" "-a" "e7b21032a8671e4ebd91e8ab77fb5cc5eb6a981abbb49270e088a65a69f22878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b21032a8671e4ebd91e8ab77fb5cc5eb6a981abbb49270e088a65a69f22878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b21032a8671e4ebd91e8ab77fb5cc5eb6a981abbb49270e088a65a69f22878", kill_on_drop: false }`
[INFO] [stdout] e7b21032a8671e4ebd91e8ab77fb5cc5eb6a981abbb49270e088a65a69f22878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc81246dda44354640b567ad85e1d03b7cce3856a725a6111187a42629c0c2a
[INFO] running `Command { std: "docker" "start" "-a" "5bc81246dda44354640b567ad85e1d03b7cce3856a725a6111187a42629c0c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking aes-stream v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Seek` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Seek` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "5bc81246dda44354640b567ad85e1d03b7cce3856a725a6111187a42629c0c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc81246dda44354640b567ad85e1d03b7cce3856a725a6111187a42629c0c2a", kill_on_drop: false }`
[INFO] [stdout] 5bc81246dda44354640b567ad85e1d03b7cce3856a725a6111187a42629c0c2a
[INFO] checking aes-stream-0.2.1 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate aes-stream 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate aes-stream 0.2.1 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aes-stream 0.2.1
[INFO] finished tweaking crates.io crate aes-stream 0.2.1
[INFO] tweaked toml for crates.io crate aes-stream 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.35)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8fba07671665186437cdd0eec7d8222400aa2cefa6f286baa0b552708410910
[INFO] running `Command { std: "docker" "start" "-a" "c8fba07671665186437cdd0eec7d8222400aa2cefa6f286baa0b552708410910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8fba07671665186437cdd0eec7d8222400aa2cefa6f286baa0b552708410910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fba07671665186437cdd0eec7d8222400aa2cefa6f286baa0b552708410910", kill_on_drop: false }`
[INFO] [stdout] c8fba07671665186437cdd0eec7d8222400aa2cefa6f286baa0b552708410910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56e3a024366f309af9be85f7d0c6e25ee9c1fd56ecca1c1961bc2e89d0f15825
[INFO] running `Command { std: "docker" "start" "-a" "56e3a024366f309af9be85f7d0c6e25ee9c1fd56ecca1c1961bc2e89d0f15825", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking aes-stream v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Seek` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `Seek` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Write, Read, Cursor, Seek, SeekFrom};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "56e3a024366f309af9be85f7d0c6e25ee9c1fd56ecca1c1961bc2e89d0f15825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e3a024366f309af9be85f7d0c6e25ee9c1fd56ecca1c1961bc2e89d0f15825", kill_on_drop: false }`
[INFO] [stdout] 56e3a024366f309af9be85f7d0c6e25ee9c1fd56ecca1c1961bc2e89d0f15825
