[INFO] fetching crate stego 0.1.4... [INFO] testing stego-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate stego 0.1.4 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate stego 0.1.4 [INFO] finished tweaking crates.io crate stego 0.1.4 [INFO] tweaked toml for crates.io crate stego 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stego 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 85 packages to latest compatible versions [INFO] [stderr] Adding image v0.21.3 (available: v0.25.8) [INFO] [stderr] Adding pretty_env_logger v0.3.1 (available: v0.5.0) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47e07621fe434516b04a6008f99605b0d88203723b90aad720540235c9219c8e [INFO] running `Command { std: "docker" "start" "-a" "47e07621fe434516b04a6008f99605b0d88203723b90aad720540235c9219c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47e07621fe434516b04a6008f99605b0d88203723b90aad720540235c9219c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47e07621fe434516b04a6008f99605b0d88203723b90aad720540235c9219c8e", kill_on_drop: false }` [INFO] [stdout] 47e07621fe434516b04a6008f99605b0d88203723b90aad720540235c9219c8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6043fd267b8c628fc4223717f166c567c5313e1e0244731901d08a7c7b0dac69 [INFO] running `Command { std: "docker" "start" "-a" "6043fd267b8c628fc4223717f166c567c5313e1e0244731901d08a7c7b0dac69", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling pretty_env_logger v0.3.1 [INFO] [stderr] Compiling stego v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.54s [INFO] running `Command { std: "docker" "inspect" "6043fd267b8c628fc4223717f166c567c5313e1e0244731901d08a7c7b0dac69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6043fd267b8c628fc4223717f166c567c5313e1e0244731901d08a7c7b0dac69", kill_on_drop: false }` [INFO] [stdout] 6043fd267b8c628fc4223717f166c567c5313e1e0244731901d08a7c7b0dac69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fc8cd8b00fdbda2622cc2e867ab8921c6d7eaff26d3590cd0dc87d0b81dda4c [INFO] running `Command { std: "docker" "start" "-a" "8fc8cd8b00fdbda2622cc2e867ab8921c6d7eaff26d3590cd0dc87d0b81dda4c", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stego v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "8fc8cd8b00fdbda2622cc2e867ab8921c6d7eaff26d3590cd0dc87d0b81dda4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc8cd8b00fdbda2622cc2e867ab8921c6d7eaff26d3590cd0dc87d0b81dda4c", kill_on_drop: false }` [INFO] [stdout] 8fc8cd8b00fdbda2622cc2e867ab8921c6d7eaff26d3590cd0dc87d0b81dda4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8aa3e1b7b217fa7372395f06f2377668e41fd9b862887ee1d8e2b04e560675fb [INFO] running `Command { std: "docker" "start" "-a" "8aa3e1b7b217fa7372395f06f2377668e41fd9b862887ee1d8e2b04e560675fb", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut im2; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `stego` (bin "stego" test) generated 1 warning (run `cargo fix --bin "stego" -p stego --tests` to apply 1 suggestion) [INFO] [stderr] warning: `stego` (bin "stego") generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stego-d530e6821623482d) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stego-1131f16592096d42) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/common.rs (/opt/rustwide/target/debug/deps/common-88181e2037295feb) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test encode_decode_text ... ok [INFO] [stdout] test encode_decode_binary ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stderr] Doc-tests stego [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8aa3e1b7b217fa7372395f06f2377668e41fd9b862887ee1d8e2b04e560675fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aa3e1b7b217fa7372395f06f2377668e41fd9b862887ee1d8e2b04e560675fb", kill_on_drop: false }` [INFO] [stdout] 8aa3e1b7b217fa7372395f06f2377668e41fd9b862887ee1d8e2b04e560675fb