[INFO] fetching crate construct 0.0.3...
[INFO] checking construct-0.0.3 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate construct 0.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate construct 0.0.3 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate construct 0.0.3
[INFO] finished tweaking crates.io crate construct 0.0.3
[INFO] tweaked toml for crates.io crate construct 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4293a79763f1b43c0850979922e1e308e791dbbc7aed2ca75f43aab6d4d1070b
[INFO] running `Command { std: "docker" "start" "-a" "4293a79763f1b43c0850979922e1e308e791dbbc7aed2ca75f43aab6d4d1070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4293a79763f1b43c0850979922e1e308e791dbbc7aed2ca75f43aab6d4d1070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4293a79763f1b43c0850979922e1e308e791dbbc7aed2ca75f43aab6d4d1070b", kill_on_drop: false }`
[INFO] [stdout] 4293a79763f1b43c0850979922e1e308e791dbbc7aed2ca75f43aab6d4d1070b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9048a03220ca2428be844270ed37dbbca68364a309c4bc064c504ebf391c76f
[INFO] running `Command { std: "docker" "start" "-a" "f9048a03220ca2428be844270ed37dbbca68364a309c4bc064c504ebf391c76f", kill_on_drop: false }`
[INFO] [stderr]     Checking construct v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReserveN<T> {
[INFO] [stdout]   |                     ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `construct` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReserveN<T> {
[INFO] [stdout]   |                     ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |             coll.extend($crate::ReserveN{n: size});
[INFO] [stdout]    |                  ^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let v = construct!(Vec<_>, 1,2,3,4);
[INFO] [stdout]    |                 --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `Vec<i32>: Extend<_>` found in the `alloc` crate:
[INFO] [stdout]            - impl<'a, T, A> Extend<&'a T> for Vec<T, A>
[INFO] [stdout]              where T: Copy, T: 'a, A: Allocator;
[INFO] [stdout]            - impl<T, A> Extend<T> for Vec<T, A>
[INFO] [stdout]              where A: Allocator;
[INFO] [stdout]    = note: this error originates in the macro `construct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |             coll.extend($crate::ReserveN{n: size});
[INFO] [stdout]    |                  ^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 85 |         let m = construct!(HashMap<_,_>, (1, "hi"), (2, "bye"));
[INFO] [stdout]    |                 ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashMap<i32, &str>: Extend<_>` found in the `std` crate:
[INFO] [stdout]            - impl<'a, K, V, S> Extend<(&'a K, &'a V)> for HashMap<K, V, S>
[INFO] [stdout]              where K: Eq, K: Hash, K: Copy, V: Copy, S: BuildHasher;
[INFO] [stdout]            - impl<K, V, S> Extend<(K, V)> for HashMap<K, V, S>
[INFO] [stdout]              where K: Eq, K: Hash, S: BuildHasher;
[INFO] [stdout]    = note: this error originates in the macro `construct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `construct` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0392.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9048a03220ca2428be844270ed37dbbca68364a309c4bc064c504ebf391c76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9048a03220ca2428be844270ed37dbbca68364a309c4bc064c504ebf391c76f", kill_on_drop: false }`
[INFO] [stdout] f9048a03220ca2428be844270ed37dbbca68364a309c4bc064c504ebf391c76f
[INFO] checking construct-0.0.3 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate construct 0.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate construct 0.0.3 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate construct 0.0.3
[INFO] finished tweaking crates.io crate construct 0.0.3
[INFO] tweaked toml for crates.io crate construct 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e70684fbde83afff93d64007dcf66e2b2ecf77015b15df0cf6fb5904d0937d17
[INFO] running `Command { std: "docker" "start" "-a" "e70684fbde83afff93d64007dcf66e2b2ecf77015b15df0cf6fb5904d0937d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70684fbde83afff93d64007dcf66e2b2ecf77015b15df0cf6fb5904d0937d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70684fbde83afff93d64007dcf66e2b2ecf77015b15df0cf6fb5904d0937d17", kill_on_drop: false }`
[INFO] [stdout] e70684fbde83afff93d64007dcf66e2b2ecf77015b15df0cf6fb5904d0937d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f90341e8c9d4c179d7c1171758f2e60b45f023aa05dd6613963e15834899e4e
[INFO] running `Command { std: "docker" "start" "-a" "8f90341e8c9d4c179d7c1171758f2e60b45f023aa05dd6613963e15834899e4e", kill_on_drop: false }`
[INFO] [stderr]     Checking construct v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReserveN<T> {
[INFO] [stdout]   |                     ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReserveN<T> {
[INFO] [stdout]   |                     ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `construct` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |             coll.extend($crate::ReserveN{n: size});
[INFO] [stdout]    |                  ^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let v = construct!(Vec<_>, 1,2,3,4);
[INFO] [stdout]    |                 --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `Vec<i32>: Extend<_>` found in the `alloc` crate:
[INFO] [stdout]            - impl<'a, T, A> Extend<&'a T> for Vec<T, A>
[INFO] [stdout]              where T: Copy, T: 'a, A: Allocator;
[INFO] [stdout]            - impl<T, A> Extend<T> for Vec<T, A>
[INFO] [stdout]              where A: Allocator;
[INFO] [stdout]    = note: this error originates in the macro `construct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |             coll.extend($crate::ReserveN{n: size});
[INFO] [stdout]    |                  ^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 85 |         let m = construct!(HashMap<_,_>, (1, "hi"), (2, "bye"));
[INFO] [stdout]    |                 ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashMap<i32, &str>: Extend<_>` found in the `std` crate:
[INFO] [stdout]            - impl<'a, K, V, S> Extend<(&'a K, &'a V)> for HashMap<K, V, S>
[INFO] [stdout]              where K: Eq, K: Hash, K: Copy, V: Copy, S: BuildHasher;
[INFO] [stdout]            - impl<K, V, S> Extend<(K, V)> for HashMap<K, V, S>
[INFO] [stdout]              where K: Eq, K: Hash, S: BuildHasher;
[INFO] [stdout]    = note: this error originates in the macro `construct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0392.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `construct` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8f90341e8c9d4c179d7c1171758f2e60b45f023aa05dd6613963e15834899e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f90341e8c9d4c179d7c1171758f2e60b45f023aa05dd6613963e15834899e4e", kill_on_drop: false }`
[INFO] [stdout] 8f90341e8c9d4c179d7c1171758f2e60b45f023aa05dd6613963e15834899e4e
