[INFO] fetching crate psl 2.0.25...
[INFO] checking psl-2.0.25 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate psl 2.0.25 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate psl 2.0.25 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psl 2.0.25
[INFO] finished tweaking crates.io crate psl 2.0.25
[INFO] tweaked toml for crates.io crate psl 2.0.25 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate psl 2.0.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80f00d538bf1cb6d6a51a955589891a416f128d6cb781e5e5ab4dc0a133a8140
[INFO] running `Command { std: "docker" "start" "-a" "80f00d538bf1cb6d6a51a955589891a416f128d6cb781e5e5ab4dc0a133a8140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f00d538bf1cb6d6a51a955589891a416f128d6cb781e5e5ab4dc0a133a8140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f00d538bf1cb6d6a51a955589891a416f128d6cb781e5e5ab4dc0a133a8140", kill_on_drop: false }`
[INFO] [stdout] 80f00d538bf1cb6d6a51a955589891a416f128d6cb781e5e5ab4dc0a133a8140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 186a222aa9a410f1afa9efd7bc0f5f6d92bc2819f8736abbc69cf677c2883203
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "186a222aa9a410f1afa9efd7bc0f5f6d92bc2819f8736abbc69cf677c2883203", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking psl-types v2.0.7
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking psl v2.0.25 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking rspec v1.0.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/list.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |   ...                   panic!(format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 45 | | ...                       "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 46 | | ...                       i
[INFO] [stdout] 47 | | ...                   ));
[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 panic!() 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] 44 |                             panic!(
[INFO] [stdout] 45 |                                 "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 46 |                                 i
[INFO] [stdout] 47 |                             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/list.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |   ...                   panic!(format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 69 | | ...                       "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 70 | | ...                       i
[INFO] [stdout] 71 | | ...                   ));
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() 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] 68 |                             panic!(
[INFO] [stdout] 69 |                                 "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 70 |                                 i
[INFO] [stdout] 71 |                             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "186a222aa9a410f1afa9efd7bc0f5f6d92bc2819f8736abbc69cf677c2883203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186a222aa9a410f1afa9efd7bc0f5f6d92bc2819f8736abbc69cf677c2883203", kill_on_drop: false }`
[INFO] [stdout] 186a222aa9a410f1afa9efd7bc0f5f6d92bc2819f8736abbc69cf677c2883203