[INFO] fetching crate simple-base64 0.23.2...
[INFO] checking simple-base64-0.23.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate simple-base64 0.23.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate simple-base64 0.23.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-base64 0.23.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate simple-base64 0.23.2
[INFO] tweaked toml for crates.io crate simple-base64 0.23.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate simple-base64 0.23.2 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_reuse v0.3.0
[INFO] [stderr]   Downloaded rstest v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac67831e984a70415e022cbb4a274ea05b4181c60d58603b76dc52eeaffbb4a
[INFO] running `Command { std: "docker" "start" "-a" "5ac67831e984a70415e022cbb4a274ea05b4181c60d58603b76dc52eeaffbb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac67831e984a70415e022cbb4a274ea05b4181c60d58603b76dc52eeaffbb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac67831e984a70415e022cbb4a274ea05b4181c60d58603b76dc52eeaffbb4a", kill_on_drop: false }`
[INFO] [stdout] 5ac67831e984a70415e022cbb4a274ea05b4181c60d58603b76dc52eeaffbb4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468dd2dae859d7a5de32e1a67f992e92aaeda38cff62344e97ac8cb94fb7f8c5
[INFO] running `Command { std: "docker" "start" "-a" "468dd2dae859d7a5de32e1a67f992e92aaeda38cff62344e97ac8cb94fb7f8c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.5.1
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[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rstest_reuse v0.3.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking regex-automata v0.3.9
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[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking simple-base64 v0.23.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base64`
[INFO] [stdout]   --> benches/benchmarks.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut decoder = base64::read::DecoderReader::new(&mut cursor, &STANDARD);
[INFO] [stdout]    |                           ^^^^^^ use of undeclared crate or module `base64`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  + use simple_base64::read::DecoderReader;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `DecoderReader`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 61 -         let mut decoder = base64::read::DecoderReader::new(&mut cursor, &STANDARD);
[INFO] [stdout] 61 +         let mut decoder = DecoderReader::new(&mut cursor, &STANDARD);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-base64` (bench "benchmarks") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "468dd2dae859d7a5de32e1a67f992e92aaeda38cff62344e97ac8cb94fb7f8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468dd2dae859d7a5de32e1a67f992e92aaeda38cff62344e97ac8cb94fb7f8c5", kill_on_drop: false }`
[INFO] [stdout] 468dd2dae859d7a5de32e1a67f992e92aaeda38cff62344e97ac8cb94fb7f8c5