[INFO] cloning repository https://github.com/ethernalabs/b64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethernalabs/b64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethernalabs%2Fb64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethernalabs%2Fb64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75c0627dfb3cf0da68294c0f382807b635dc6ffd
[INFO] checking ethernalabs/b64 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethernalabs%2Fb64" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethernalabs/b64 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ethernalabs/b64
[INFO] finished tweaking git repo https://github.com/ethernalabs/b64
[INFO] tweaked toml for git repo https://github.com/ethernalabs/b64 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ethernalabs/b64 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89c067605c80b4e99fbc06e4023172be9c7d7b703f09e6e3a724119313775fec
[INFO] running `Command { std: "docker" "start" "-a" "89c067605c80b4e99fbc06e4023172be9c7d7b703f09e6e3a724119313775fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c067605c80b4e99fbc06e4023172be9c7d7b703f09e6e3a724119313775fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c067605c80b4e99fbc06e4023172be9c7d7b703f09e6e3a724119313775fec", kill_on_drop: false }`
[INFO] [stdout] 89c067605c80b4e99fbc06e4023172be9c7d7b703f09e6e3a724119313775fec
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c78232722602cb7015a847e77eeae357e10c5dfba9c111f791559486dc2ef5ad
[INFO] running `Command { std: "docker" "start" "-a" "c78232722602cb7015a847e77eeae357e10c5dfba9c111f791559486dc2ef5ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling copypasta-ext v0.3.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling wayland-sys v0.29.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.1
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-client v0.29.1
[INFO] [stderr]    Compiling wayland-protocols v0.29.1
[INFO] [stderr]     Checking x11-clipboard v0.5.3
[INFO] [stderr]     Checking wayland-commons v0.29.1
[INFO] [stderr]     Checking wayland-cursor v0.29.1
[INFO] [stderr]     Checking smithay-clipboard v0.6.5
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking b64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         ctx.set_contents(encoded_string.into()).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         ctx.set_contents(encoded_string.into()).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `b64` (bin "b64" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `b64` (bin "b64") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c78232722602cb7015a847e77eeae357e10c5dfba9c111f791559486dc2ef5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78232722602cb7015a847e77eeae357e10c5dfba9c111f791559486dc2ef5ad", kill_on_drop: false }`
[INFO] [stdout] c78232722602cb7015a847e77eeae357e10c5dfba9c111f791559486dc2ef5ad