[INFO] cloning repository https://github.com/liufuyang/plr-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liufuyang/plr-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Fplr-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Fplr-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0f726d5dcc5c32833fc753f7a9a886b089673d3
[INFO] building liufuyang/plr-test against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Fplr-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liufuyang/plr-test on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liufuyang/plr-test
[INFO] finished tweaking git repo https://github.com/liufuyang/plr-test
[INFO] tweaked toml for git repo https://github.com/liufuyang/plr-test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/liufuyang/plr-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/liufuyang/plr`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.0.0
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb9967e132be628d2c2602f09504b2d1e491f774416beba3b9679ae59aa09c9e
[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" "fb9967e132be628d2c2602f09504b2d1e491f774416beba3b9679ae59aa09c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb9967e132be628d2c2602f09504b2d1e491f774416beba3b9679ae59aa09c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9967e132be628d2c2602f09504b2d1e491f774416beba3b9679ae59aa09c9e", kill_on_drop: false }`
[INFO] [stdout] fb9967e132be628d2c2602f09504b2d1e491f774416beba3b9679ae59aa09c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0969e800537feb34fd1e2c0733e57bab3699acf184d84f27f04d1b09765cb1e
[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" "e0969e800537feb34fd1e2c0733e57bab3699acf184d84f27f04d1b09765cb1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling plr v0.1.6 (https://github.com/liufuyang/plr#ea40e073)
[INFO] [stderr]    Compiling plr-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .unwrap_or_else(|e| panic!(format!("{} on line {}", e.to_string(), n + 1)))
[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] 33 |                 .unwrap_or_else(|e| panic!("{} on line {}", e.to_string(), n + 1))
[INFO] [stdout]    |                                           --                                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |                           panic!(format!(
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 38 | |                             "{} on line {}, while parsing string \"{}\"",
[INFO] [stdout] 39 | |                             e.to_string(),
[INFO] [stdout] 40 | |                             n + 1,
[INFO] [stdout] 41 | |                             s
[INFO] [stdout] 42 | |                         ))
[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] 37 |                         panic!(
[INFO] [stdout] 38 |                             "{} on line {}, while parsing string \"{}\"",
[INFO] [stdout] 39 |                             e.to_string(),
[INFO] [stdout] 40 |                             n + 1,
[INFO] [stdout] 41 |                             s
[INFO] [stdout] 42 |                         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 52 | |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 53 | |                         n + 1,
[INFO] [stdout] 54 | |                         v
[INFO] [stdout] 55 | |                     ))
[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] 51 |                     panic!(
[INFO] [stdout] 52 |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 53 |                         n + 1,
[INFO] [stdout] 54 |                         v
[INFO] [stdout] 55 |                     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 59 | |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 60 | |                         n + 1,
[INFO] [stdout] 61 | |                         v
[INFO] [stdout] 62 | |                     ))
[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] 58 |                     panic!(
[INFO] [stdout] 59 |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 60 |                         n + 1,
[INFO] [stdout] 61 |                         v
[INFO] [stdout] 62 |                     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 25s
[INFO] running `Command { std: "docker" "inspect" "e0969e800537feb34fd1e2c0733e57bab3699acf184d84f27f04d1b09765cb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0969e800537feb34fd1e2c0733e57bab3699acf184d84f27f04d1b09765cb1e", kill_on_drop: false }`
[INFO] [stdout] e0969e800537feb34fd1e2c0733e57bab3699acf184d84f27f04d1b09765cb1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67682c8441e5dc2664102add0efb4758fa8fcde28cd849e2c88a16a7e2d80e31
[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" "67682c8441e5dc2664102add0efb4758fa8fcde28cd849e2c88a16a7e2d80e31", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling plr-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `plr::GreedyPLR`
[INFO] [stdout]  --> examples/example1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use plr::GreedyPLR;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `GreedyPLR` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plr-test`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .unwrap_or_else(|e| panic!(format!("{} on line {}", e.to_string(), n + 1)))
[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] 33 |                 .unwrap_or_else(|e| panic!("{} on line {}", e.to_string(), n + 1))
[INFO] [stdout]    |                                           --                                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |                           panic!(format!(
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 38 | |                             "{} on line {}, while parsing string \"{}\"",
[INFO] [stdout] 39 | |                             e.to_string(),
[INFO] [stdout] 40 | |                             n + 1,
[INFO] [stdout] 41 | |                             s
[INFO] [stdout] 42 | |                         ))
[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] 37 |                         panic!(
[INFO] [stdout] 38 |                             "{} on line {}, while parsing string \"{}\"",
[INFO] [stdout] 39 |                             e.to_string(),
[INFO] [stdout] 40 |                             n + 1,
[INFO] [stdout] 41 |                             s
[INFO] [stdout] 42 |                         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 52 | |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 53 | |                         n + 1,
[INFO] [stdout] 54 | |                         v
[INFO] [stdout] 55 | |                     ))
[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] 51 |                     panic!(
[INFO] [stdout] 52 |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 53 |                         n + 1,
[INFO] [stdout] 54 |                         v
[INFO] [stdout] 55 |                     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 59 | |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 60 | |                         n + 1,
[INFO] [stdout] 61 | |                         v
[INFO] [stdout] 62 | |                     ))
[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] 58 |                     panic!(
[INFO] [stdout] 59 |                         "need 2 values but less than that on line {}, while parsing \"{:?}\"",
[INFO] [stdout] 60 |                         n + 1,
[INFO] [stdout] 61 |                         v
[INFO] [stdout] 62 |                     )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67682c8441e5dc2664102add0efb4758fa8fcde28cd849e2c88a16a7e2d80e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67682c8441e5dc2664102add0efb4758fa8fcde28cd849e2c88a16a7e2d80e31", kill_on_drop: false }`
[INFO] [stdout] 67682c8441e5dc2664102add0efb4758fa8fcde28cd849e2c88a16a7e2d80e31
