[INFO] fetching crate libxid 0.1.5...
[INFO] checking libxid-0.1.5 against try#83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1 for pr-134021
[INFO] extracting crate libxid 0.1.5 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libxid 0.1.5 on toolchain 83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding gethostname v0.2.3 (available: v1.1.0)
[INFO] [stderr]       Adding md5 v0.6.1 (available: v0.8.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3
[INFO] running `Command { std: "docker" "start" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking libxid v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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: use of deprecated method `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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.76s
[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: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 492 ~                 
[INFO] [stdout] 493 |                     "{} ({:?}) != {} ({:?}) {}",
[INFO] [stdout] ...
[INFO] [stdout] 498 |                     i
[INFO] [stdout] 499 ~                 
[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 usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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] running `Command { std: "docker" "inspect" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3", kill_on_drop: false }`
[INFO] [stdout] a3704a364d5eb7338bbea1192cb5833404b6e0ead84081104597cf6afaf33bd3
