[INFO] cloning repository https://github.com/peterheesterman/steg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterheesterman/steg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterheesterman%2Fsteg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterheesterman%2Fsteg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db4f99a6e1c36bd41fab69b035fb503f37da256a [INFO] checking peterheesterman/steg against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterheesterman%2Fsteg" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/peterheesterman/steg on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/peterheesterman/steg [INFO] finished tweaking git repo https://github.com/peterheesterman/steg [INFO] tweaked toml for git repo https://github.com/peterheesterman/steg written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/peterheesterman/steg already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-derive v0.2.3 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [INFO] [stderr] Downloaded inflate v0.4.3 [INFO] [stderr] Downloaded tiff v0.2.1 [INFO] [stderr] Downloaded syn v0.15.13 [INFO] [stderr] Downloaded lsb_text_png_steganography v0.1.1 [INFO] [stderr] Downloaded whitespace_text_steganography v0.2.1 [INFO] [stderr] Downloaded lsb_png_steganography v0.1.0 [INFO] [stderr] Downloaded image v0.20.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5511554503c20d86b1de26b897f534d2815d4beb6d52d311b4487a192817689e [INFO] running `Command { std: "docker" "start" "-a" "5511554503c20d86b1de26b897f534d2815d4beb6d52d311b4487a192817689e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5511554503c20d86b1de26b897f534d2815d4beb6d52d311b4487a192817689e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5511554503c20d86b1de26b897f534d2815d4beb6d52d311b4487a192817689e", kill_on_drop: false }` [INFO] [stdout] 5511554503c20d86b1de26b897f534d2815d4beb6d52d311b4487a192817689e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ea4400019e1ca1fb040ec00fe4c81ad9f3bf504c609b46edd7ccf9cd537fdf3 [INFO] running `Command { std: "docker" "start" "-a" "5ea4400019e1ca1fb040ec00fe4c81ad9f3bf504c609b46edd7ccf9cd537fdf3", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking whitespace_text_steganography v0.2.1 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking image v0.20.0 [INFO] [stderr] Checking lsb_png_steganography v0.1.0 [INFO] [stderr] Checking lsb_text_png_steganography v0.1.1 [INFO] [stderr] Checking steg v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s [INFO] running `Command { std: "docker" "inspect" "5ea4400019e1ca1fb040ec00fe4c81ad9f3bf504c609b46edd7ccf9cd537fdf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ea4400019e1ca1fb040ec00fe4c81ad9f3bf504c609b46edd7ccf9cd537fdf3", kill_on_drop: false }` [INFO] [stdout] 5ea4400019e1ca1fb040ec00fe4c81ad9f3bf504c609b46edd7ccf9cd537fdf3 [INFO] checking peterheesterman/steg against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterheesterman%2Fsteg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/peterheesterman/steg on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/peterheesterman/steg [INFO] finished tweaking git repo https://github.com/peterheesterman/steg [INFO] tweaked toml for git repo https://github.com/peterheesterman/steg written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/peterheesterman/steg already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74c6416d3b797e0b737cb1db202df8a4f4740c497db2e12350f6f898e5c0598a [INFO] running `Command { std: "docker" "start" "-a" "74c6416d3b797e0b737cb1db202df8a4f4740c497db2e12350f6f898e5c0598a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74c6416d3b797e0b737cb1db202df8a4f4740c497db2e12350f6f898e5c0598a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74c6416d3b797e0b737cb1db202df8a4f4740c497db2e12350f6f898e5c0598a", kill_on_drop: false }` [INFO] [stdout] 74c6416d3b797e0b737cb1db202df8a4f4740c497db2e12350f6f898e5c0598a [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f30c98073cc9eaa11861a36c1fd1f40dcdfdb44d7219f59e559d20a744a66ab5 [INFO] running `Command { std: "docker" "start" "-a" "f30c98073cc9eaa11861a36c1fd1f40dcdfdb44d7219f59e559d20a744a66ab5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking whitespace_text_steganography v0.2.1 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking image v0.20.0 [INFO] [stderr] Checking lsb_png_steganography v0.1.0 [INFO] [stderr] Checking lsb_text_png_steganography v0.1.1 [INFO] [stderr] Checking steg v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s [INFO] running `Command { std: "docker" "inspect" "f30c98073cc9eaa11861a36c1fd1f40dcdfdb44d7219f59e559d20a744a66ab5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f30c98073cc9eaa11861a36c1fd1f40dcdfdb44d7219f59e559d20a744a66ab5", kill_on_drop: false }` [INFO] [stdout] f30c98073cc9eaa11861a36c1fd1f40dcdfdb44d7219f59e559d20a744a66ab5