[INFO] fetching crate acc_reader 2.0.0...
[INFO] checking acc_reader-2.0.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate acc_reader 2.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate acc_reader 2.0.0 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 acc_reader 2.0.0
[INFO] finished tweaking crates.io crate acc_reader 2.0.0
[INFO] tweaked toml for crates.io crate acc_reader 2.0.0 written to /workspace/builds/worker-1-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0261830b0af408c6f9684638c0c438092275f847fa0d7734dd34e52aaaae5096
[INFO] running `Command { std: "docker" "start" "-a" "0261830b0af408c6f9684638c0c438092275f847fa0d7734dd34e52aaaae5096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0261830b0af408c6f9684638c0c438092275f847fa0d7734dd34e52aaaae5096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0261830b0af408c6f9684638c0c438092275f847fa0d7734dd34e52aaaae5096", kill_on_drop: false }`
[INFO] [stdout] 0261830b0af408c6f9684638c0c438092275f847fa0d7734dd34e52aaaae5096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 23777a05a87488f27d648d020972c2c9d68427acc0d08f6d64c9588460a1612f
[INFO] running `Command { std: "docker" "start" "-a" "23777a05a87488f27d648d020972c2c9d68427acc0d08f6d64c9588460a1612f", kill_on_drop: false }`
[INFO] [stderr]     Checking acc_reader v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:236:24
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let read = try!(self.source.read(buf));
[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/lib.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     try!(self.source.read_to_end(&mut self.buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:17
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 try!(self.read_up_to(need_to_read));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     try!(self.read_up_to(need_to_read));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:236:24
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let read = try!(self.source.read(buf));
[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/lib.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     try!(self.source.read_to_end(&mut self.buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:17
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 try!(self.read_up_to(need_to_read));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     try!(self.read_up_to(need_to_read));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:338:19
[INFO] [stdout]     |
[INFO] [stdout] 338 |     use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 339 |
[INFO] [stdout] 340 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |     use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 339 |
[INFO] [stdout] 340 |     use super::*;
[INFO] [stdout]     |         -------- the item `BufRead` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:338:34
[INFO] [stdout]     |
[INFO] [stdout] 338 |     use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 339 |
[INFO] [stdout] 340 |     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/lib.rs:338:40
[INFO] [stdout]     |
[INFO] [stdout] 338 |     use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout] 339 |
[INFO] [stdout] 340 |     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/lib.rs:338:46
[INFO] [stdout]     |
[INFO] [stdout] 338 |     use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 339 |
[INFO] [stdout] 340 |     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] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "23777a05a87488f27d648d020972c2c9d68427acc0d08f6d64c9588460a1612f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23777a05a87488f27d648d020972c2c9d68427acc0d08f6d64c9588460a1612f", kill_on_drop: false }`
[INFO] [stdout] 23777a05a87488f27d648d020972c2c9d68427acc0d08f6d64c9588460a1612f
