[INFO] cloning repository https://github.com/iszak/jpeg2000
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iszak/jpeg2000" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiszak%2Fjpeg2000", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiszak%2Fjpeg2000'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] defe88a69677883512dbea85916d6169b67a34d3
[INFO] checking iszak/jpeg2000 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiszak%2Fjpeg2000" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iszak/jpeg2000 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iszak/jpeg2000
[INFO] finished tweaking git repo https://github.com/iszak/jpeg2000
[INFO] tweaked toml for git repo https://github.com/iszak/jpeg2000 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/iszak/jpeg2000 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f203c572fc77c4b11dbf4565ed41d349090f5e1c8ca6e05a919d70f6d3511d5
[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" "1f203c572fc77c4b11dbf4565ed41d349090f5e1c8ca6e05a919d70f6d3511d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f203c572fc77c4b11dbf4565ed41d349090f5e1c8ca6e05a919d70f6d3511d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f203c572fc77c4b11dbf4565ed41d349090f5e1c8ca6e05a919d70f6d3511d5", kill_on_drop: false }`
[INFO] [stdout] 1f203c572fc77c4b11dbf4565ed41d349090f5e1c8ca6e05a919d70f6d3511d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4bc1b0a8f17d891d01b28e46247c297ba0475b6719d62e9188b602f630537b2
[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" "c4bc1b0a8f17d891d01b28e46247c297ba0475b6719d62e9188b602f630537b2", kill_on_drop: false }`
[INFO] [stderr]     Checking jpeg2000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `position` is never read
[INFO] [stdout]     --> src/main.rs:1870:9
[INFO] [stdout]      |
[INFO] [stdout] 1870 |     let mut position = 0;
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:545:42
[INFO] [stdout]     |
[INFO] [stdout] 545 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:558:42
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:571:42
[INFO] [stdout]     |
[INFO] [stdout] 571 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:584:42
[INFO] [stdout]     |
[INFO] [stdout] 584 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:706:42
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:727:42
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:748:42
[INFO] [stdout]     |
[INFO] [stdout] 748 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_header`
[INFO] [stdout]     --> src/main.rs:1521:13
[INFO] [stdout]      |
[INFO] [stdout] 1521 |         let main_header = self.decode_main_header(reader);
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_header`
[INFO] [stdout]     --> src/main.rs:1524:13
[INFO] [stdout]      |
[INFO] [stdout] 1524 |         let tile_header = self.decode_tile_header(reader);
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]     --> src/main.rs:1578:42
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]      |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `position` is never read
[INFO] [stdout]     --> src/main.rs:1870:9
[INFO] [stdout]      |
[INFO] [stdout] 1870 |     let mut position = 0;
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:545:42
[INFO] [stdout]     |
[INFO] [stdout] 545 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:558:42
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:571:42
[INFO] [stdout]     |
[INFO] [stdout] 571 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:584:42
[INFO] [stdout]     |
[INFO] [stdout] 584 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:706:42
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:727:42
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/main.rs:748:42
[INFO] [stdout]     |
[INFO] [stdout] 748 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_header`
[INFO] [stdout]     --> src/main.rs:1521:13
[INFO] [stdout]      |
[INFO] [stdout] 1521 |         let main_header = self.decode_main_header(reader);
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_header`
[INFO] [stdout]     --> src/main.rs:1524:13
[INFO] [stdout]      |
[INFO] [stdout] 1524 |         let tile_header = self.decode_tile_header(reader);
[INFO] [stdout]      |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]     --> src/main.rs:1578:42
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     fn decode<R: Read + Seek>(&mut self, reader: &mut R) -> Result<(), Error> {
[INFO] [stdout]      |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1561:33
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => panic!(e),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => panic!("{}", e),
[INFO] [stdout]      |                                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => std::panic::panic_any(e),
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1952:29
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => panic!(e),
[INFO] [stdout]      |                             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => panic!("{}", e),
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => std::panic::panic_any(e),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1561:33
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => panic!(e),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => panic!("{}", e),
[INFO] [stdout]      |                                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1561 |                     _ => std::panic::panic_any(e),
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1952:29
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => panic!(e),
[INFO] [stdout]      |                             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => panic!("{}", e),
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                 _ => std::panic::panic_any(e),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "c4bc1b0a8f17d891d01b28e46247c297ba0475b6719d62e9188b602f630537b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4bc1b0a8f17d891d01b28e46247c297ba0475b6719d62e9188b602f630537b2", kill_on_drop: false }`
[INFO] [stdout] c4bc1b0a8f17d891d01b28e46247c297ba0475b6719d62e9188b602f630537b2