[INFO] fetching crate image-base64 0.1.0... [INFO] checking image-base64-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate image-base64 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate image-base64 0.1.0 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 crates.io crate image-base64 0.1.0 [INFO] finished tweaking crates.io crate image-base64 0.1.0 [INFO] tweaked toml for crates.io crate image-base64 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding base64 v0.4.2 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v0.7.0 (latest: v2.5.0) [INFO] [stderr] Adding deflate v0.7.20 (latest: v1.0.0) [INFO] [stderr] Adding gif v0.9.2 (latest: v0.13.1) [INFO] [stderr] Adding image v0.12.4 (latest: v0.25.1) [INFO] [stderr] Adding inflate v0.1.1 (latest: v0.4.5) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding png v0.6.2 (latest: v0.17.13) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Downloading crates ... [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded utf8-ranges v1.0.5 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded ucd-util v0.1.10 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded png v0.6.2 [INFO] [stderr] Downloaded base64 v0.4.2 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded gif v0.9.2 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded inflate v0.1.1 [INFO] [stderr] Downloaded image v0.12.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9db4f7bfff24c0197ebd50c0f61b46c04e90c93c5b5ea711a0980d1d403367aa [INFO] running `Command { std: "docker" "start" "-a" "9db4f7bfff24c0197ebd50c0f61b46c04e90c93c5b5ea711a0980d1d403367aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9db4f7bfff24c0197ebd50c0f61b46c04e90c93c5b5ea711a0980d1d403367aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db4f7bfff24c0197ebd50c0f61b46c04e90c93c5b5ea711a0980d1d403367aa", kill_on_drop: false }` [INFO] [stdout] 9db4f7bfff24c0197ebd50c0f61b46c04e90c93c5b5ea711a0980d1d403367aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ef30f84ab4bcb06d2bf21799b44542c2c2fd3e88343d6f62b898e22a6f6be3de [INFO] running `Command { std: "docker" "start" "-a" "ef30f84ab4bcb06d2bf21799b44542c2c2fd3e88343d6f62b898e22a6f6be3de", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking base64 v0.4.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.6.2 [INFO] [stderr] Checking image v0.12.4 [INFO] [stderr] Checking image-base64 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> tests/test.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.37s [INFO] running `Command { std: "docker" "inspect" "ef30f84ab4bcb06d2bf21799b44542c2c2fd3e88343d6f62b898e22a6f6be3de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef30f84ab4bcb06d2bf21799b44542c2c2fd3e88343d6f62b898e22a6f6be3de", kill_on_drop: false }` [INFO] [stdout] ef30f84ab4bcb06d2bf21799b44542c2c2fd3e88343d6f62b898e22a6f6be3de [INFO] checking image-base64-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate image-base64 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate image-base64 0.1.0 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 crates.io crate image-base64 0.1.0 [INFO] finished tweaking crates.io crate image-base64 0.1.0 [INFO] tweaked toml for crates.io crate image-base64 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [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] [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f19c6652d48cf36d85dacc385c4d11bb9ff015522bd1541551731021503a6448 [INFO] running `Command { std: "docker" "start" "-a" "f19c6652d48cf36d85dacc385c4d11bb9ff015522bd1541551731021503a6448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f19c6652d48cf36d85dacc385c4d11bb9ff015522bd1541551731021503a6448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19c6652d48cf36d85dacc385c4d11bb9ff015522bd1541551731021503a6448", kill_on_drop: false }` [INFO] [stdout] f19c6652d48cf36d85dacc385c4d11bb9ff015522bd1541551731021503a6448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6362d4d61bbdb8458ade965bc92187f9465d6d4741186fa9a2bc0e543a85733 [INFO] running `Command { std: "docker" "start" "-a" "a6362d4d61bbdb8458ade965bc92187f9465d6d4741186fa9a2bc0e543a85733", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking base64 v0.4.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.6.2 [INFO] [stderr] Checking image v0.12.4 [INFO] [stderr] Checking image-base64 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> tests/test.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.62s [INFO] running `Command { std: "docker" "inspect" "a6362d4d61bbdb8458ade965bc92187f9465d6d4741186fa9a2bc0e543a85733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6362d4d61bbdb8458ade965bc92187f9465d6d4741186fa9a2bc0e543a85733", kill_on_drop: false }` [INFO] [stdout] a6362d4d61bbdb8458ade965bc92187f9465d6d4741186fa9a2bc0e543a85733