[INFO] cloning repository https://github.com/Widen/enctool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Widen/enctool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiden%2Fenctool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiden%2Fenctool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1af758fee4f969ff873235bf7561f9e36c7b94bd
[INFO] checking Widen/enctool against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiden%2Fenctool" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Widen/enctool on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Widen/enctool
[INFO] finished tweaking git repo https://github.com/Widen/enctool
[INFO] tweaked toml for git repo https://github.com/Widen/enctool written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 47197a7e56705db592bcc1b18bf5548f4d696709ffb4ac189e3cd5aac7d9b8c4
[INFO] running `Command { std: "docker" "start" "-a" "47197a7e56705db592bcc1b18bf5548f4d696709ffb4ac189e3cd5aac7d9b8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47197a7e56705db592bcc1b18bf5548f4d696709ffb4ac189e3cd5aac7d9b8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47197a7e56705db592bcc1b18bf5548f4d696709ffb4ac189e3cd5aac7d9b8c4", kill_on_drop: false }`
[INFO] [stdout] 47197a7e56705db592bcc1b18bf5548f4d696709ffb4ac189e3cd5aac7d9b8c4
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87238e8320a3413c3e446985372d5a8fbece599ac17fc91cb12bc724811fa28
[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" "b87238e8320a3413c3e446985372d5a8fbece599ac17fc91cb12bc724811fa28", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking enctool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                         ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:78
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/guess.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn guess(reader: &mut Read) -> Option<String> {
[INFO] [stdout]   |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/validate.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stdout]   |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/validate.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stdout]   |                                               ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut input: Box<Read> = match matches.opt_str("input") {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut output: Box<Write> = match matches.opt_str("output") {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn check_utf8mb4(reader: &mut Read) {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                         ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/convert.rs:6:78
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stdout]   |                                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/guess.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn guess(reader: &mut Read) -> Option<String> {
[INFO] [stdout]   |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/validate.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stdout]   |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/validate.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stdout]   |                                               ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut input: Box<Read> = match matches.opt_str("input") {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut output: Box<Write> = match matches.opt_str("output") {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn check_utf8mb4(reader: &mut Read) {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => panic!(e.to_string()),
[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] 29 |         Err(e) => panic!("{}", e.to_string()),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => std::panic::panic_any(e.to_string()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => panic!(e.to_string()),
[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] 29 |         Err(e) => panic!("{}", e.to_string()),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => std::panic::panic_any(e.to_string()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "b87238e8320a3413c3e446985372d5a8fbece599ac17fc91cb12bc724811fa28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87238e8320a3413c3e446985372d5a8fbece599ac17fc91cb12bc724811fa28", kill_on_drop: false }`
[INFO] [stdout] b87238e8320a3413c3e446985372d5a8fbece599ac17fc91cb12bc724811fa28