[INFO] fetching crate pcell 0.7.1...
[INFO] testing pcell-0.7.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pcell 0.7.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate pcell 0.7.1 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 pcell 0.7.1
[INFO] finished tweaking crates.io crate pcell 0.7.1
[INFO] tweaked toml for crates.io crate pcell 0.7.1 written to /workspace/builds/worker-52/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] f145fbb67df891133606980722e48f09f5544e5f98be7bd94afb349f89f51958
[INFO] running `Command { std: "docker" "start" "-a" "f145fbb67df891133606980722e48f09f5544e5f98be7bd94afb349f89f51958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f145fbb67df891133606980722e48f09f5544e5f98be7bd94afb349f89f51958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f145fbb67df891133606980722e48f09f5544e5f98be7bd94afb349f89f51958", kill_on_drop: false }`
[INFO] [stdout] f145fbb67df891133606980722e48f09f5544e5f98be7bd94afb349f89f51958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 1b257962e66acd3dc9a9adeb8e2579447669ed7a2df58f4b3b971c578b577a1b
[INFO] running `Command { std: "docker" "start" "-a" "1b257962e66acd3dc9a9adeb8e2579447669ed7a2df58f4b3b971c578b577a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling pcell v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:74
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:91
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 | /             write!(
[INFO] [stdout] 102 | |                 file,
[INFO] [stdout] 103 | |                 "{}",
[INFO] [stdout] 104 | |                 db_strings.as_str()
[INFO] [stdout] 105 | |             ).is_ok();
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "1b257962e66acd3dc9a9adeb8e2579447669ed7a2df58f4b3b971c578b577a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b257962e66acd3dc9a9adeb8e2579447669ed7a2df58f4b3b971c578b577a1b", kill_on_drop: false }`
[INFO] [stdout] 1b257962e66acd3dc9a9adeb8e2579447669ed7a2df58f4b3b971c578b577a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 5fe5d92d275f873e541fea4869c418bb964b1226848d8da4ef9293edaa2ac783
[INFO] running `Command { std: "docker" "start" "-a" "5fe5d92d275f873e541fea4869c418bb964b1226848d8da4ef9293edaa2ac783", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcell v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:74
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:91
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 | /             write!(
[INFO] [stdout] 102 | |                 file,
[INFO] [stdout] 103 | |                 "{}",
[INFO] [stdout] 104 | |                 db_strings.as_str()
[INFO] [stdout] 105 | |             ).is_ok();
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "5fe5d92d275f873e541fea4869c418bb964b1226848d8da4ef9293edaa2ac783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe5d92d275f873e541fea4869c418bb964b1226848d8da4ef9293edaa2ac783", kill_on_drop: false }`
[INFO] [stdout] 5fe5d92d275f873e541fea4869c418bb964b1226848d8da4ef9293edaa2ac783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 86229cb8aa51128012fc8c380b3c819ee6d3f3862df34697d84975ee7d2757e3
[INFO] running `Command { std: "docker" "start" "-a" "86229cb8aa51128012fc8c380b3c819ee6d3f3862df34697d84975ee7d2757e3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:79:74
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:79:91
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stderr]    |                                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:159:67
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 | /             write!(
[INFO] [stderr] 102 | |                 file,
[INFO] [stderr] 103 | |                 "{}",
[INFO] [stderr] 104 | |                 db_strings.as_str()
[INFO] [stderr] 105 | |             ).is_ok();
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pcell-1943555543f288bc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86229cb8aa51128012fc8c380b3c819ee6d3f3862df34697d84975ee7d2757e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86229cb8aa51128012fc8c380b3c819ee6d3f3862df34697d84975ee7d2757e3", kill_on_drop: false }`
[INFO] [stdout] 86229cb8aa51128012fc8c380b3c819ee6d3f3862df34697d84975ee7d2757e3
