[INFO] fetching crate libxid 0.1.5...
[INFO] testing libxid-0.1.5 against 1.54.0 for beta-1.55-1
[INFO] extracting crate libxid 0.1.5 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate libxid 0.1.5 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 libxid 0.1.5
[INFO] finished tweaking crates.io crate libxid 0.1.5
[INFO] tweaked toml for crates.io crate libxid 0.1.5 written to /workspace/builds/worker-97/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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 45ec0a8a3c84d406eae671aae1723c72ec6a15b0cb9c0d85ad1b3a1447a5e2a4
[INFO] running `Command { std: "docker" "start" "-a" "45ec0a8a3c84d406eae671aae1723c72ec6a15b0cb9c0d85ad1b3a1447a5e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ec0a8a3c84d406eae671aae1723c72ec6a15b0cb9c0d85ad1b3a1447a5e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ec0a8a3c84d406eae671aae1723c72ec6a15b0cb9c0d85ad1b3a1447a5e2a4", kill_on_drop: false }`
[INFO] [stdout] 45ec0a8a3c84d406eae671aae1723c72ec6a15b0cb9c0d85ad1b3a1447a5e2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] b93053924e1bf6864a13f5e9990e7c66924ced19659e9df56a1d95289c193247
[INFO] running `Command { std: "docker" "start" "-a" "b93053924e1bf6864a13f5e9990e7c66924ced19659e9df56a1d95289c193247", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling libxid v0.1.5 (/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/lib.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Err(e) => Err(IDGenerationError(e.description().to_string())),
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "b93053924e1bf6864a13f5e9990e7c66924ced19659e9df56a1d95289c193247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93053924e1bf6864a13f5e9990e7c66924ced19659e9df56a1d95289c193247", kill_on_drop: false }`
[INFO] [stdout] b93053924e1bf6864a13f5e9990e7c66924ced19659e9df56a1d95289c193247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] d0f7df445a2640a22a95f23b4173b2bd9e2841a4d43f30c4249eeac24b3b4788
[INFO] running `Command { std: "docker" "start" "-a" "d0f7df445a2640a22a95f23b4173b2bd9e2841a4d43f30c4249eeac24b3b4788", kill_on_drop: false }`
[INFO] [stderr]    Compiling libxid v0.1.5 (/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/lib.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Err(e) => Err(IDGenerationError(e.description().to_string())),
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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/lib.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Err(e) => Err(IDGenerationError(e.description().to_string())),
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 | /                 format!(
[INFO] [stdout] 493 | |                     "{} ({:?}) != {} ({:?}) {}",
[INFO] [stdout] 494 | |                     previous_id.encode(),
[INFO] [stdout] 495 | |                     previous_id,
[INFO] [stdout] ...   |
[INFO] [stdout] 498 | |                     i
[INFO] [stdout] 499 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 
[INFO] [stdout] 493 |                     "{} ({:?}) != {} ({:?}) {}",
[INFO] [stdout] 494 |                     previous_id.encode(),
[INFO] [stdout] 495 |                     previous_id,
[INFO] [stdout] 496 |                     id.encode(),
[INFO] [stdout] 497 |                     id,
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 | /             format!(
[INFO] [stdout] 536 | |                 "Must generated {} ids id less than {} second, took {} seconds",
[INFO] [stdout] 537 | |                 total, limit, elapsed
[INFO] [stdout] 538 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 535 |             
[INFO] [stdout] 536 |                 "Must generated {} ids id less than {} second, took {} seconds",
[INFO] [stdout] 537 |                 total, limit, elapsed
[INFO] [stdout] 538 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 | /             format!(
[INFO] [stdout] 568 | |                 "Must encode {} ids id less than {} second, took {} seconds",
[INFO] [stdout] 569 | |                 total, limit, elapsed
[INFO] [stdout] 570 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 567 |             
[INFO] [stdout] 568 |                 "Must encode {} ids id less than {} second, took {} seconds",
[INFO] [stdout] 569 |                 total, limit, elapsed
[INFO] [stdout] 570 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 | /             format!(
[INFO] [stdout] 657 | |                 "Must decode {} ids in less than {} second, took {} seconds",
[INFO] [stdout] 658 | |                 total, limit, elapsed
[INFO] [stdout] 659 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 656 |             
[INFO] [stdout] 657 |                 "Must decode {} ids in less than {} second, took {} seconds",
[INFO] [stdout] 658 |                 total, limit, elapsed
[INFO] [stdout] 659 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "d0f7df445a2640a22a95f23b4173b2bd9e2841a4d43f30c4249eeac24b3b4788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f7df445a2640a22a95f23b4173b2bd9e2841a4d43f30c4249eeac24b3b4788", kill_on_drop: false }`
[INFO] [stdout] d0f7df445a2640a22a95f23b4173b2bd9e2841a4d43f30c4249eeac24b3b4788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 5ab8d1834242ad8dc62ad248c6284507e9315df9187df023895eae64edf2e58d
[INFO] running `Command { std: "docker" "start" "-a" "5ab8d1834242ad8dc62ad248c6284507e9315df9187df023895eae64edf2e58d", 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/lib.rs:155:47
[INFO] [stderr]     |
[INFO] [stderr] 155 |             Err(e) => Err(IDGenerationError(e.description().to_string())),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:155:47
[INFO] [stderr]     |
[INFO] [stderr] 155 |             Err(e) => Err(IDGenerationError(e.description().to_string())),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:492:17
[INFO] [stderr]     |
[INFO] [stderr] 492 | /                 format!(
[INFO] [stderr] 493 | |                     "{} ({:?}) != {} ({:?}) {}",
[INFO] [stderr] 494 | |                     previous_id.encode(),
[INFO] [stderr] 495 | |                     previous_id,
[INFO] [stderr] ...   |
[INFO] [stderr] 498 | |                     i
[INFO] [stderr] 499 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 492 |                 
[INFO] [stderr] 493 |                     "{} ({:?}) != {} ({:?}) {}",
[INFO] [stderr] 494 |                     previous_id.encode(),
[INFO] [stderr] 495 |                     previous_id,
[INFO] [stderr] 496 |                     id.encode(),
[INFO] [stderr] 497 |                     id,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:535:13
[INFO] [stderr]     |
[INFO] [stderr] 535 | /             format!(
[INFO] [stderr] 536 | |                 "Must generated {} ids id less than {} second, took {} seconds",
[INFO] [stderr] 537 | |                 total, limit, elapsed
[INFO] [stderr] 538 | |             )
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 535 |             
[INFO] [stderr] 536 |                 "Must generated {} ids id less than {} second, took {} seconds",
[INFO] [stderr] 537 |                 total, limit, elapsed
[INFO] [stderr] 538 |             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 | /             format!(
[INFO] [stderr] 568 | |                 "Must encode {} ids id less than {} second, took {} seconds",
[INFO] [stderr] 569 | |                 total, limit, elapsed
[INFO] [stderr] 570 | |             )
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 567 |             
[INFO] [stderr] 568 |                 "Must encode {} ids id less than {} second, took {} seconds",
[INFO] [stderr] 569 |                 total, limit, elapsed
[INFO] [stderr] 570 |             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:656:13
[INFO] [stderr]     |
[INFO] [stderr] 656 | /             format!(
[INFO] [stderr] 657 | |                 "Must decode {} ids in less than {} second, took {} seconds",
[INFO] [stderr] 658 | |                 total, limit, elapsed
[INFO] [stderr] 659 | |             )
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 656 |             
[INFO] [stderr] 657 |                 "Must decode {} ids in less than {} second, took {} seconds",
[INFO] [stderr] 658 |                 total, limit, elapsed
[INFO] [stderr] 659 |             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libxid-e3572347ac7240c9)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_from ... ok
[INFO] [stdout] test tests::test_json ... ok
[INFO] [stdout] test tests::test_generation_speed ... ok
[INFO] [stdout] test tests::test_encoding_speed ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_encode_decode ... ok
[INFO] [stdout] test tests::test_decoding_speed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libxid
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ab8d1834242ad8dc62ad248c6284507e9315df9187df023895eae64edf2e58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab8d1834242ad8dc62ad248c6284507e9315df9187df023895eae64edf2e58d", kill_on_drop: false }`
[INFO] [stdout] 5ab8d1834242ad8dc62ad248c6284507e9315df9187df023895eae64edf2e58d
