[INFO] fetching crate psl 2.0.7...
[INFO] checking psl-2.0.7 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate psl 2.0.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate psl 2.0.7 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psl 2.0.7
[INFO] finished tweaking crates.io crate psl 2.0.7
[INFO] tweaked toml for crates.io crate psl 2.0.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9382fcd80df727306d195ec3d75a46c42065ba911e7290b4c80413b999740bcd
[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" "9382fcd80df727306d195ec3d75a46c42065ba911e7290b4c80413b999740bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9382fcd80df727306d195ec3d75a46c42065ba911e7290b4c80413b999740bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9382fcd80df727306d195ec3d75a46c42065ba911e7290b4c80413b999740bcd", kill_on_drop: false }`
[INFO] [stdout] 9382fcd80df727306d195ec3d75a46c42065ba911e7290b4c80413b999740bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2713f98be0d37648b30a7eea3716fa7182b0d595b4adb1bd0fa0ea64cff97daa
[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" "2713f98be0d37648b30a7eea3716fa7182b0d595b4adb1bd0fa0ea64cff97daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking psl-types v2.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking psl v2.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking psl-lexer v0.3.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling_macro v0.10.2
[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:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |   ...                   panic!(format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 47 | | ...                       "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 48 | | ...                       i
[INFO] [stdout] 49 | | ...                   ));
[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] 46 |                             panic!(
[INFO] [stdout] 47 |                                 "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 48 |                                 i
[INFO] [stdout] 49 |                             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/list.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |   ...                   panic!(format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 71 | | ...                       "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 72 | | ...                       i
[INFO] [stdout] 73 | | ...                   ));
[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] 70 |                             panic!(
[INFO] [stdout] 71 |                                 "line {} of the test file doesn't seem to be valid",
[INFO] [stdout] 72 |                                 i
[INFO] [stdout] 73 |                             );
[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 00s
[INFO] running `Command { std: "docker" "inspect" "2713f98be0d37648b30a7eea3716fa7182b0d595b4adb1bd0fa0ea64cff97daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2713f98be0d37648b30a7eea3716fa7182b0d595b4adb1bd0fa0ea64cff97daa", kill_on_drop: false }`
[INFO] [stdout] 2713f98be0d37648b30a7eea3716fa7182b0d595b4adb1bd0fa0ea64cff97daa