[INFO] fetching crate psl 2.0.6...
[INFO] checking psl-2.0.6 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate psl 2.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate psl 2.0.6 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psl 2.0.6
[INFO] finished tweaking crates.io crate psl 2.0.6
[INFO] tweaked toml for crates.io crate psl 2.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "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] c031b5cce80d7edbd85921173370b0dbc578fd83cc401ce6b0c988369134eb33
[INFO] running `Command { std: "docker" "start" "-a" "c031b5cce80d7edbd85921173370b0dbc578fd83cc401ce6b0c988369134eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c031b5cce80d7edbd85921173370b0dbc578fd83cc401ce6b0c988369134eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c031b5cce80d7edbd85921173370b0dbc578fd83cc401ce6b0c988369134eb33", kill_on_drop: false }`
[INFO] [stdout] c031b5cce80d7edbd85921173370b0dbc578fd83cc401ce6b0c988369134eb33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716578c567fcb482a06d2b9dc6dd010048b890a665a3f8608c20998dcb6a749c
[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" "716578c567fcb482a06d2b9dc6dd010048b890a665a3f8608c20998dcb6a749c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking psl-types v2.0.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking psl v2.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking psl-lexer v0.3.1
[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]    Compiling darling v0.10.2
[INFO] [stderr]     Checking time-macros v0.1.1
[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 16s
[INFO] running `Command { std: "docker" "inspect" "716578c567fcb482a06d2b9dc6dd010048b890a665a3f8608c20998dcb6a749c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716578c567fcb482a06d2b9dc6dd010048b890a665a3f8608c20998dcb6a749c", kill_on_drop: false }`
[INFO] [stdout] 716578c567fcb482a06d2b9dc6dd010048b890a665a3f8608c20998dcb6a749c