[INFO] fetching crate xor 1.4.5...
[INFO] checking xor-1.4.5 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate xor 1.4.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xor 1.4.5 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xor 1.4.5
[INFO] finished tweaking crates.io crate xor 1.4.5
[INFO] tweaked toml for crates.io crate xor 1.4.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xor-utils v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 2335166d3803dcb3fe7642958d53b5e7606f9e0897295931ef1be7905abd9981
[INFO] running `Command { std: "docker" "start" "-a" "2335166d3803dcb3fe7642958d53b5e7606f9e0897295931ef1be7905abd9981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2335166d3803dcb3fe7642958d53b5e7606f9e0897295931ef1be7905abd9981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2335166d3803dcb3fe7642958d53b5e7606f9e0897295931ef1be7905abd9981", kill_on_drop: false }`
[INFO] [stdout] 2335166d3803dcb3fe7642958d53b5e7606f9e0897295931ef1be7905abd9981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b84a012a58a7bbbe0cbbc5e958e063da6e53a4e5499220a2ca1928cb5f66641e
[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" "b84a012a58a7bbbe0cbbc5e958e063da6e53a4e5499220a2ca1928cb5f66641e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking xor-utils v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking xor v1.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:108:30
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut output : Box<Write> = if matches.is_present("output") {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
[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:135:68
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
[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:108:30
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut output : Box<Write> = if matches.is_present("output") {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
[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:135:68
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b84a012a58a7bbbe0cbbc5e958e063da6e53a4e5499220a2ca1928cb5f66641e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84a012a58a7bbbe0cbbc5e958e063da6e53a4e5499220a2ca1928cb5f66641e", kill_on_drop: false }`
[INFO] [stdout] b84a012a58a7bbbe0cbbc5e958e063da6e53a4e5499220a2ca1928cb5f66641e