[INFO] fetching crate js-source-mapper 0.2.0...
[INFO] checking js-source-mapper-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate js-source-mapper 0.2.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate js-source-mapper 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate js-source-mapper 0.2.0
[INFO] finished tweaking crates.io crate js-source-mapper 0.2.0
[INFO] tweaked toml for crates.io crate js-source-mapper 0.2.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ca3a23deeddd5ac3f047f4c241456ab1b7a0237614c681121c18993723d0bbd
[INFO] running `Command { std: "docker" "start" "-a" "4ca3a23deeddd5ac3f047f4c241456ab1b7a0237614c681121c18993723d0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca3a23deeddd5ac3f047f4c241456ab1b7a0237614c681121c18993723d0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca3a23deeddd5ac3f047f4c241456ab1b7a0237614c681121c18993723d0bbd", kill_on_drop: false }`
[INFO] [stdout] 4ca3a23deeddd5ac3f047f4c241456ab1b7a0237614c681121c18993723d0bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907bcaf9a41f0791fc7e93506b1b0d4146e755564a212e113f3ae42b4ed40476
[INFO] running `Command { std: "docker" "start" "-a" "907bcaf9a41f0791fc7e93506b1b0d4146e755564a212e113f3ae42b4ed40476", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.3.2
[INFO] [stderr]     Checking js-source-mapper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/base64_vlq.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | / macro_rules! assert_encodes_to(
[INFO] [stdout] 111 | |   ($number:expr, $string:expr) => (
[INFO] [stdout] 112 | |     assert!(encode($number) == Some($string.into()))
[INFO] [stdout] 113 | |   );
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/base64_vlq.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | / macro_rules! assert_decodes_to(
[INFO] [stdout] 176 | |   ($str_slice:expr, $number:expr) => (
[INFO] [stdout] 177 | |     assert!(decode($str_slice).unwrap().0 == $number)
[INFO] [stdout] 178 | |   );
[INFO] [stdout] 179 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/consume.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | / macro_rules! assert_equal_mappings(
[INFO] [stdout] 244 | |   ($a:expr, $b:expr) => (
[INFO] [stdout] 245 | |     if $a != $b {
[INFO] [stdout] 246 | |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 247 | |     }
[INFO] [stdout] 248 | |   );
[INFO] [stdout] 249 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/consume.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   file: Option<String>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/consume.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   file: Option<String>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |   assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |   ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 304 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 338 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     assert_equal_mappings!(actual, expected);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_equal_mappings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 246 -       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 246 +       panic!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consume.rs:375:22
[INFO] [stdout]     |
[INFO] [stdout] 375 |     Err(s) => panic!(format!("Error due to omitting: '{}'", s))
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 375 -     Err(s) => panic!(format!("Error due to omitting: '{}'", s))
[INFO] [stdout] 375 +     Err(s) => panic!("Error due to omitting: '{}'", s)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.75s
[INFO] running `Command { std: "docker" "inspect" "907bcaf9a41f0791fc7e93506b1b0d4146e755564a212e113f3ae42b4ed40476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907bcaf9a41f0791fc7e93506b1b0d4146e755564a212e113f3ae42b4ed40476", kill_on_drop: false }`
[INFO] [stdout] 907bcaf9a41f0791fc7e93506b1b0d4146e755564a212e113f3ae42b4ed40476