[INFO] fetching crate serde_transmute 0.1.4... [INFO] checking serde_transmute-0.1.4 against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688-1 [INFO] extracting crate serde_transmute 0.1.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate serde_transmute 0.1.4 on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_transmute 0.1.4 [INFO] finished tweaking crates.io crate serde_transmute 0.1.4 [INFO] tweaked toml for crates.io crate serde_transmute 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16038058f83b4f5231c5687ef3e9e23c97d0b0f1833fbe4c77bceec40e4426c2 [INFO] running `Command { std: "docker" "start" "-a" "16038058f83b4f5231c5687ef3e9e23c97d0b0f1833fbe4c77bceec40e4426c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16038058f83b4f5231c5687ef3e9e23c97d0b0f1833fbe4c77bceec40e4426c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16038058f83b4f5231c5687ef3e9e23c97d0b0f1833fbe4c77bceec40e4426c2", kill_on_drop: false }` [INFO] [stdout] 16038058f83b4f5231c5687ef3e9e23c97d0b0f1833fbe4c77bceec40e4426c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62584788defd16495c0d29749b0bab95ccc19997bab3cc23d3b4ff5a0dc1f3bb [INFO] running `Command { std: "docker" "start" "-a" "62584788defd16495c0d29749b0bab95ccc19997bab3cc23d3b4ff5a0dc1f3bb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.95 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Checking serde_transmute v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:59:37 [INFO] [stdout] | [INFO] [stdout] 59 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/lib.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | name: &'static str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variants` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | variants: &'static [&'static str], [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/lib.rs:483:9 [INFO] [stdout] | [INFO] [stdout] 483 | len: usize, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:515:9 [INFO] [stdout] | [INFO] [stdout] 515 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1015:9 [INFO] [stdout] | [INFO] [stdout] 1014 | UnitStruct { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 1015 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1017 | UnitVariant { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1018 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1023:9 [INFO] [stdout] | [INFO] [stdout] 1022 | NewtypeStruct { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1023 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1027:9 [INFO] [stdout] | [INFO] [stdout] 1026 | NewtypeVariant { [INFO] [stdout] | -------------- field in this variant [INFO] [stdout] 1027 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1035:9 [INFO] [stdout] | [INFO] [stdout] 1034 | TupleStruct { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1035 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1038 | TupleVariant { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 1039 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1047:9 [INFO] [stdout] | [INFO] [stdout] 1046 | Struct { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 1047 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1051:9 [INFO] [stdout] | [INFO] [stdout] 1050 | StructVariant { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1051 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:59:37 [INFO] [stdout] | [INFO] [stdout] 59 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/lib.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | name: &'static str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variants` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | variants: &'static [&'static str], [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/lib.rs:483:9 [INFO] [stdout] | [INFO] [stdout] 483 | len: usize, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:515:9 [INFO] [stdout] | [INFO] [stdout] 515 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1015:9 [INFO] [stdout] | [INFO] [stdout] 1014 | UnitStruct { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 1015 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1017 | UnitVariant { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1018 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1023:9 [INFO] [stdout] | [INFO] [stdout] 1022 | NewtypeStruct { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1023 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1027:9 [INFO] [stdout] | [INFO] [stdout] 1026 | NewtypeVariant { [INFO] [stdout] | -------------- field in this variant [INFO] [stdout] 1027 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1035:9 [INFO] [stdout] | [INFO] [stdout] 1034 | TupleStruct { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1035 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1038 | TupleVariant { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 1039 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1047:9 [INFO] [stdout] | [INFO] [stdout] 1046 | Struct { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 1047 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1051:9 [INFO] [stdout] | [INFO] [stdout] 1050 | StructVariant { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1051 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.62s [INFO] running `Command { std: "docker" "inspect" "62584788defd16495c0d29749b0bab95ccc19997bab3cc23d3b4ff5a0dc1f3bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62584788defd16495c0d29749b0bab95ccc19997bab3cc23d3b4ff5a0dc1f3bb", kill_on_drop: false }` [INFO] [stdout] 62584788defd16495c0d29749b0bab95ccc19997bab3cc23d3b4ff5a0dc1f3bb